9831K26 | Timer-Operated Compressed Air Drain Valve

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91 Products

Drain Valves

Also known as stop cocks, install these valves on your tank for easy draining of air or fluid.

Thumb-Screw Handle—Inline

Valves with a thumb-screw handle open by rolling the slip-resistant thumb screw between your fingers. Since these valves don’t have a wide handle, they fit in tighter spaces than valves with other handle styles.

Inline handles can be operated from any position. The handle surrounds the drain outlet, so liquids may splash onto your hands or the handle.

External Seal—Valves with an external seal are for higher flow applications than valves with an internal seal. They also have a longer valve stem, so they’re less likely to introduce contaminants from exposed threads.

Brass Handle—Brass handles won’t corrode.

Brass Body—Valves with a brass body won’t corrode when venting air or draining water—even in wet or humid environments.

	Inlet
	Pipe Size	Thread Type	Gender	Outlet Connection Port	Handle Material	Body Material	For Use With	Max. Pressure @ Temp.	Temp. Range, ° F	Ht.		Each
Straight—External Seal



		1/8	NPT	Male	Drain	Brass	Brass	Air, Water, Inert Gas	100 psi @ 250° F	-65 to 250	3/4"	4921K91	00000


		1/4	NPT	Male	Drain	Brass	Brass	Air	250 psi @ 250° F	-40 to 250	1 1/8"	4921K31	0000

Wing Nut Handle—Inline (Wing Facing Inlet)

Image of Product. Front orientation. Drain Valves. Drain Valves, Wing Facing Inlet, Wing Nut Handle, Inline Handle.

Valves with a wing nut handle give you leverage to open tight, stubborn valves that have been sealed for long periods of time. The wings on these handles face inward, so they have a lower profile than handles with outlet-facing wing nuts.

Inline handles can be operated from any position. The handle surrounds the drain outlet, so liquids may splash onto your hands or the handle.

Internal Seal—Valves with an internal seal have shorter stems than those with external seals, so they fit shorter clearances. However, they’re more likely to introduce contaminants to the tank from debris collected on the exposed threads.

Tube—Valves with a tube outlet can be attached to a tube or hose to route the flow of draining liquid.

Brass Handle—Brass handles won’t corrode.

Brass Body—Valves with a brass body won’t corrode when venting air or draining water—even in wet or humid environments.

	Inlet			Outlet
	Pipe Size	Thread Type	Gender	Connection Port	For Tube ID	Connection	Gender	Handle Material	Body Material	For Use With	Max. Pressure @ Temp.	Temp. Range, ° F	Ht.		Each
Straight—External Seal



		1/8	NPT	Male	Drain	—	—	—	Brass	Brass	Water, Oil	150 psi @ 250° F	-65 to 250	15/16"	4921K32	00000


		1/8	NPT	Male	Drain	—	—	—	Steel	Brass	Air, Water, Oil, Inert Gas	150 psi @ 250° F	-65 to 250	7/8"	4921K86	0000
		1/4	NPT	Male	Tube	3/8"	Barbed	Male	Brass	Brass	Water, Oil	150 psi @ 250° F	-65 to 250	1 9/16"	4921K44	0000
		1/4	NPT	Male	Drain	—	—	—	Steel	Brass	Water, Oil	150 psi @ 250° F	-40 to 350	1"	4921K16	0000
		3/8	NPT	Male	Drain	—	—	—	Brass	Brass	Water, Oil	150 psi @ 250° F	-65 to 250	1 1/4"	4921K34	0000
		3/8	NPT	Male	Drain	—	—	—	Steel	Brass	Air, Water, Oil, Inert Gas	150 psi @ 250° F	-65 to 250	1 1/4"	4921K89	0000
		1/2	NPT	Male	Drain	—	—	—	Brass	Brass	Water, Oil	150 psi @ 250° F	-65 to 250	1 1/2"	4921K35	00000


		Straight—Internal Seal



				1/8	NPT	Male	Drain	—	—	—	Brass	Brass	Water, Oil	150 psi @ 250° F	-65 to 250	1 5/16"	4921K41	00000


				1/4	NPT	Male	Drain	—	—	—	Brass	Brass	Water, Oil	150 psi @ 250° F	-65 to 250	15/16"	4921K42	0000
				3/8	NPT	Male	Drain	—	—	—	Brass	Brass	Water, Oil	150 psi @ 250° F	-65 to 250	1 1/4"	4921K51	0000

Wing Nut Handle—Inline (Wing Facing Outlet)

Image of Product. Bottom orientation. Drain Valves. Drain Valves, Wing Nut Handle, Wing Facing Outlet, Inline Handle.

Inline handles can be operated from any position. The handle surrounds the drain outlet, so liquids may splash onto your hands or the handle.

Tube—Valves with a tube outlet can be attached to a tube or hose to route the flow of draining liquid.

Spout—A spout outlet smoothly pours any draining liquid into buckets without splashing.

Brass Handle—Brass handles won’t corrode.

Brass Body—Valves with a brass body won’t corrode when venting air or draining water—even in wet or humid environments.

	Inlet			Outlet
	Pipe Size	Thread Type	Gender	Connection Port	For Tube ID	Connection	Gender	Handle Material	Body Material	For Use With	Max. Pressure @ Temp.	Temp. Range, ° F	Ht.		Each
Straight—External Seal



		1/8	NPT	Male	Tube	1/4"	Barbed	Male	Brass	Brass	Water, Oil	150 psi @ 250° F	-65 to 250	1 1/2"	4921K43	00000


		1/4	NPT	Male	Drain	—	—	—	Steel	Brass	Air, Water, Oil, Inert Gas	150 psi @ 250° F	-65 to 250	1"	4921K87	0000
		1/4	NPT	Male	Spout	—	—	—	Steel	Brass	Air, Water, Oil, Inert Gas	150 psi @ 250° F	-65 to 250	1 1/2"	4921K88	0000

Wing Nut Handle—Side (Wing Facing Inlet)

Image of Product. Bottom orientation. Drain Valves. Drain Valves, Wing Nut Handle, Side Handle, Wing Facing Inlet.

Side handles are out of the way of the flow, so your hand and the handle stay dry.

Spout—A spout outlet smoothly pours any draining liquid into buckets without splashing.

Brass Body—Valves with a brass body won’t corrode when venting air or draining water—even in wet or humid environments.

	Inlet
	Pipe Size	Thread Type	Gender	Outlet Connection Port	Handle Material	Body Material	For Use With	Max. Pressure @ Temp.	Temp. Range, ° F	Port-to-Port Lg.		Each
90° Elbow—External Seal



		1/4	NPT	Male	Spout	Steel	Brass	Air, Water, Oil, Inert Gas	150 psi @ 250° F	-65 to 250	11/16"	4921K85	00000

T-Handle—Inline

Inline handles can be operated from any position. The handle surrounds the drain outlet, so liquids may splash onto your hands or the handle.

Valves with a T-handle have two flat arms that provide more leverage and torque than thumb-screw handles and are more comfortable to grip than wing-nut handles. They have a removable handle, which can be disassembled for cleaning.

Brass Handle—Brass handles won’t corrode.

Brass Body—Valves with a brass body won’t corrode when venting air or draining water—even in wet or humid environments.

	Inlet
	Pipe Size	Thread Type	Gender	Outlet Connection Port	Handle Material	Body Material	For Use With	Features	Max. Pressure @ Temp.	Temp. Range, ° F	Ht.		Each
Straight—Internal Seal



		1/8	NPT	Male	Drain	Brass	Brass	Water, Oil, Inert Gas	Removable Handle	150 psi @ 250° F	-65 to 250	1 9/16"	4921K1	000000


		1/4	NPT	Male	Drain	Brass	Brass	Water, Oil, Inert Gas	Removable Handle	150 psi @ 250° F	-65 to 250	1 11/16"	4921K2	00000
		3/8	NPT	Male	Drain	Brass	Brass	Water, Oil, Inert Gas	Removable Handle	150 psi @ 250° F	-65 to 250	1 13/16"	4921K3	00000

T-Handle—Side

Image of Product. Front orientation. Drain Valves. Drain Valves, Side Handle, T-Handle.

Side handles are out of the way of the flow, so your hand and the handle stay dry.

Valves with a T-handle have two flat arms that provide more leverage and torque than thumb-screw handles and are more comfortable to grip than wing-nut handles.

Brass Handle—Brass handles won’t corrode.

Brass Body—Valves with a brass body won’t corrode when venting air or draining water—even in wet or humid environments.

	Inlet
	Pipe Size	Thread Type	Gender	Outlet Connection Port	Handle Material	Body Material	For Use With	Max. Pressure @ Temp.	Temp. Range, ° F	Ht.	Overall Wd.		Each
Straight—Internal Seal



		1/4	NPT	Male	Drain	Brass	Brass	Water, Oil	150 psi @ 250° F	-65 to 250	1 3/4"	1 7/16"	4921K52	000000

Lever Handle—Side

Valves with a lever handle open the quickest—just rotate them 90°. However, they provide less control than handles that take multiple turns to open. A glance at the handle will tell you if it’s open or closed. Attach a tube or hose to the outlet to route the flow of draining liquid. Use the included cap to keep dirt and debris out of the valve.

Side handles are out of the way of the flow, so your hand and the handle stay dry.

Plastic Handle—Plastic handles resist oil, grease, and solvents. They’re lighter in weight than brass handles.

Brass Body—Valves with a brass body won’t corrode when venting air or draining water—even in wet or humid environments.

	Inlet			Outlet
	Pipe Size	Thread Type	Gender	Connection Port	For Tube ID	Connection	Thread Type	Garden Hose Trade Size	Gender	Handle Material	Body Material	For Use With	Max. Pressure @ Temp.	Ht.	Includes		Each
Straight—Internal Seal



		1/4	NPT	Male	Hose	3/4"	Threaded	GHT	3/4	Male	Plastic	Brass	Air, Water, Oil	Not Rated	1 15/16"	Cap	4921K83	000000


		1/2	NPT	Male	Hose	3/4"	Threaded	GHT	3/4	Male	Plastic	Brass	Air, Water, Oil	Not Rated	2 1/16"	Cap	4921K84	00000

Cable-Pull-Operated

Cable-pull valves open with a tug. Open them at a distance to prevent injury from hot air. They work well in tight and hard-to-reach spots, such as under low-sitting tanks.

Brass Body—Valves with a brass body won’t corrode when venting air or draining water—even in wet or humid environments.

		Inlet
	Cable Lg., ft.	Pipe Size	Thread Type	Gender	Outlet Connection Port	Body Material	For Use With	Max. Pressure @ Temp.	Temp. Range, ° F	Ht.		Each
Straight—Internal Seal



		1 1/2	1/4	NPT	Male	Drain	Brass	Air	250 psi @ 250° F	-40 to 250	1 1/4"	49375K17	00000


		3	1/4	NPT	Male	Drain	Brass	Air	250 psi @ 250° F	-40 to 250	1 1/4"	49375K16	0000
		4	1/4	NPT	Male	Drain	Brass	Air	150 psi @ 250° F	-65 to 250	1 7/8"	49375K18	00000
		5	1/4	NPT	Male	Drain	Brass	Air	250 psi @ 250° F	-40 to 250	1 1/4"	49375K15	0000

Wrench-Operated


Lockable Cover (Padlock Not Included)	Lockable Cover with Built-In Wrench

Wrench-operated valves have a cover with a built-in wrench. Remove the cover and turn the wrench to open and close the valve. Attach a tube or pipe to the outlet to route the flow of draining liquid. They have a lockable cover that prevents tampering when you add a padlock (not included). The valve can only lock when closed.

Brass Body—Valves with a brass body won’t corrode when venting air or draining water—even in wet or humid environments.

Ductile Iron Body—Valves with a ductile iron body have excellent strength and durability. However, they’re less corrosion resistant than valves with a brass body. They’re often used to connect to iron pipe.

	Inlet			Outlet
	Pipe Size	Thread Type	Gender	Connection Port	Pipe Size	Thread Type	Gender	Body Material	For Use With	Features	Max. Pressure @ Temp.	Temp. Range, ° F	Port-to-Port Lg.	For Max. Padlock Shackle Dia.	Socket Shape	Drive Size		Each
90° Elbow—Internal Seal



		1	NPT	Male	Pipe	1	NPT	Female	Brass	Water, Oil	Lockable Cover	50 psi @ 125° F	-65 to 125	2 1/16"	13/32"	4-Point	11/32"	4921K81	0000000


		1	NPT	Male	Pipe	1	NPT	Female	Ductile Iron	Water, Oil	Lockable Cover	50 psi @ 125° F	-65 to 125	2 1/16"	13/32"	4-Point	11/32"	4921K82	000000

Timer-Actuated Compressed Air Drain Valves


Brass Housing—IP65, NEMA 4 Enclosure Rating	Brass Housing—NEMA 1 Enclosure Rating	Brass Housing—NEMA 4X Enclosure Rating

Set the electronic timer on these drain valves to open automatically at your specified time interval. They’re excellent for compressed air systems with high oil content because they resist clogging when water, oil, and sediment combine to form sludge. Install drain valves after separators, dryers, filters, and aftercoolers to collect and remove water from your air line.

NEMA 4 Enclosure Rating—Drain valves that meet NEMA 4 are rated for protection from dirt and washdowns.

NEMA 4X Enclosure Rating—Drain valves that meet NEMA 4X are rated for protection from dirt, washdowns, and corrosion.

Strainers—Install strainers before drain valves to prevent damage from debris in your pipeline.

	Valves																		Strainers
	Inlet			Outlet						Overall
	Pipe Size	Thread Type	Gender	Connection	Pipe Size	Thread Type	Gender	Discharge Cap., gpm	Max. Pressure, psi	Ht.	Wd.	Dp.	Cycle Interval Time, min.	Drain Time, sec.	Max. Temp., ° F	Includes		Each		Each
Brass Housing—IP65, NEMA 4 Enclosure Rating







				Electric, 24V DC—Hardwire

				1/4	NPT	Female	Threaded	1/4	NPT	Female	4.5	230	4 1/2"	2"	3 1/2"	1 to 45	0.5 to 10	130	—	9831K31	0000000	4389K37	000000


				3/8	NPT	Female	Threaded	3/8	NPT	Female	1.2	230	4 1/2"	2"	3 1/2"	1 to 45	0.5 to 10	130	—	9831K27	000000	4389K39	00000
				1/2	NPT	Female	Threaded	1/2	NPT	Female	4.5	230	4 1/2"	2"	3 1/2"	1 to 45	0.5 to 10	130	—	9831K32	000000	4389K38	00000




						Electric, 120V AC—3-Blade Plug

						1/4	NPT	Female	Threaded	1/4	NPT	Female	4.8	230	4 1/4"	1 3/4"	3 1/2"	1 to 45	0.5 to 10	130	—	9831K14	000000	4389K37	00000


						1/4	NPT	Female	Threaded	1/4	NPT	Female	15	300	4 5/8"	2 1/2"	3 5/8"	1 to 45	0.5 to 10	130	—	9831K17	000000	4389K37	00000
						3/8	NPT	Female	Threaded	3/8	NPT	Female	7	230	4 1/4"	1 3/4"	3 1/2"	1 to 45	0.5 to 10	130	—	9831K23	000000	4389K39	00000
						3/8	NPT	Female	Threaded	3/8	NPT	Female	19	300	4 5/8"	2 1/2"	3 5/8"	1 to 45	0.5 to 10	130	—	9831K25	000000	4389K39	00000
						1/2	NPT	Female	Threaded	1/2	NPT	Female	7	230	4 1/4"	1 3/4"	3 1/2"	1 to 45	0.5 to 10	130	—	9831K24	000000	4389K38	00000
						1/2	NPT	Female	Threaded	1/2	NPT	Female	15	300	4 5/8"	2 1/2"	3 5/8"	1 to 45	0.5 to 10	130	—	9831K18	000000	4389K38	00000


						Brass Housing—NEMA 1 Enclosure Rating







										Electric, 120V AC—3-Blade Plug

										1/4	NPT	Female	Threaded	1/4	NPT	Female	1.2	200	3 1/4"	4"	4 1/4"	1 to 60	1 to 30	120	—	9831K13	000000	4389K37	00000


										Brass Housing—NEMA 4X Enclosure Rating







														Electric, 120V AC—3-Blade Plug

														1/4	NPT	Female	Threaded	1/4	NPT	Female	2.9	200	4 1/8"	6"	3 3/4"	0 to 50	1 to 15	180	Strainer	9831K12	000000	———	0


														1/2	NPT	Female	Threaded	1/2	NPT	Female	6	300	4"	6"	3 3/4"	0 to 50	1 to 15	180	Strainer	9831K111	000000	———	0




																Electric, 240V AC—Hardwire

																1/4	NPT	Female	Threaded	1/4	NPT	Female	2.9	200	4 1/8"	6"	3 3/4"	0 to 50	1 to 15	180	Strainer	9831K22	000000	———	0

Replacement Filter Mesh

		Each
Replacement Filter Screens for Strainers	4389K21	00000

High-Temperature Drain Valves


Plastic Handle	Aluminum Handle

Empty fluid from tanks in boiler rooms or heat transfer systems—these valves withstand higher temperatures than our other drain valves. Also known as stop cocks, their handle twists open to let liquid flow out. They have a spout that smoothly pours the draining liquid into buckets without splashing. The handle is positioned to be out of the way from the spout, so your hand stays dry.

Plastic Handle—Plastic handles have a knurled grip that’s comfortable and won’t slip as you turn it.

Aluminum Handle—Aluminum handles are more durable than plastic handles.

Stainless Steel Seal—Stainless steel seals resist corroding better than brass seals.

PTFE Seal—PTFE seals create a tighter seal than brass and stainless steel seals.

	Inlet
	Pipe Size	Thread Type	Gender	Outlet Connection Port	For Use With	Max. Pressure @ Temp.	Temp. Range, ° F	Port-to-Port Lg.	Body Material		Each
Plastic Handle







				Brass Seal

				1/2	NPT	Male	Spout	Water, Oil	250 psi @ 400° F	32 to 400	1"	Brass	4801K18	000000


				3/4	NPT	Male	Spout	Water, Oil	250 psi @ 400° F	32 to 400	1"	Brass	4801K9	00000




						Stainless Steel Seal

						1/2	NPT	Male	Spout	Water, Oil	250 psi @ 400° F	32 to 400	1"	Brass	4801K11	00000




								PTFE Seal

								1/2	NPT	Male	Spout	Water, Oil	250 psi @ 400° F	32 to 400	1 1/4"	Brass	4801K12	000000


								Aluminum Handle







												Brass Seal

												1/2	NPT	Male	Spout	Water, Oil	250 psi @ 400° F	32 to 400	1"	Brass	4801K13	00000


												3/4	NPT	Male	Spout	Water, Oil	250 psi @ 400° F	32 to 400	1"	Brass	4801K16	00000




														Stainless Steel Seal

														1/2	NPT	Male	Spout	Water, Oil	250 psi @ 400° F	32 to 400	1"	Brass	4801K14	00000




																PTFE Seal

																1/2	NPT	Male	Spout	Water, Oil	250 psi @ 400° F	32 to 400	1 1/4"	Brass	4801K15	000000

High-Pressure Float-Actuated Compressed Air Drain Valves

Able to withstand up to 400 psi, these have the highest pressure rating of all our float-operated drain valves. Also known as drip legs, these drain valves have a float that automatically opens the drain when the bowl begins to fill. Install them at low points in your line after separators, dryers, filters, and aftercoolers.

	Inlet			Outlet						Overall
	Pipe Size	Thread Type	Gender	Connection	Pipe Size	Thread Type	Gender	Discharge Cap., gpm	Max. Pressure, psi	Ht.	Wd.	Dp.	Max. Temp., ° F		Each
Stainless Steel Bowl—Opaque



		1/2	NPT	Female	Threaded	1/2	NPT	Female	2.2	400	7 1/2"	2 5/8"	2 5/8"	500	2490K11	0000000

Compact Float-Actuated Compressed Air Drain Valves

Sized right for tight spots. Also known as drip legs, these drain valves have a float that automatically opens the drain when the bowl begins to fill. Install them at low points in your line after separators, dryers, filters, and aftercoolers. Drains can be serviced without removing them from your air line.

	Inlet			Outlet						Overall
	Pipe Size	Thread Type	Gender	Connection	Pipe Size	Thread Type	Gender	Discharge Cap., gpm	Max. Pressure, psi	Ht.	Wd.	Dp.	Max. Temp., ° F		Each
Aluminum Bowl—Opaque



		1/4	NPT	Female	Threaded	1/8	NPT	Female	0.7	250	3 1/4"	2 1/2"	2 1/2"	175	41645K48	0000000


		1/2	NPT	Female	Threaded	1/8	NPT	Female	0.7	250	3 1/4"	2 1/2"	2 1/2"	175	41645K47	000000

Clear-View Float-Actuated Compressed Air Drain Valves


Nylon Bowl	Polycarbonate Bowl

Keep an eye on condensate collecting in your compressed air line. These drain valves have a clear bowl, so you can see inside to inspect the contents. Also known as drip legs, these have a float that automatically opens the drain when the bowl begins to fill. Install them at low points in your line after separators, dryers, filters, and aftercoolers. Drains can be serviced without removing them from your air line.

	Valves																Replacement Bowls
	Inlet			Outlet							Overall
	Pipe Size	Thread Type	Gender	Connection	For Tube ID, mm	Pipe Size	Thread Type	Gender	Discharge Cap., gpm	Max. Pressure, psi	Ht.	Wd.	Dp.	Max. Temp., ° F		Each		Each
Polycarbonate Bowl—Clear



		1/4	NPT	Female	Threaded	—	3/8	NPT	Female	Not Rated	145	7 1/8"	3 1/8"	3 1/8"	140	5002K11	000000	5002K13	000000


		3/8	NPT	Female	Threaded	—	3/8	NPT	Female	Not Rated	145	7 1/8"	3 1/8"	3 1/8"	140	5002K12	00000	5002K13	00000


		Nylon Bowl—Clear



				1/2	NPT	Female	Barbed	6	—	—	Male	1.2	145	6 5/8"	2 3/8"	2 3/8"	122	2493K88	000000	2493K12	00000

Energy-Saving Compressed Air Drain Valves


Air Powered—1 gpm Discharge Capacity	Air Powered—1.5 gpm Discharge Capacity	Air Powered—3.5 gpm Discharge Capacity

Electric—0.2 gpm Discharge Capacity	Electric—2.9 gpm Discharge Capacity

Save energy by minimizing the loss of compressed air. Unlike other drain valves, these only open when they're full. They close before the reservoir is completely empty, so no air escapes from the system. Install them at low points in your air line after separators, dryers, filters, and aftercoolers.

Air Powered—Air-powered valves don’t need to be plugged into an electrical outlet. When water raises the float to a set point, these valves open. They have a simple internal design and large openings to prevent clogs.

Electric—Electric valves have a sensor. When condensate inside the valve rises to the level of the sensor, the valve opens to drain. Valves detect when they’re blocked—they automatically open and close to attempt to remove the blockage and sound an alarm if they’re still blocked.

1/8 Pipe Size Air Pilot and 1/4 Pipe Size Air Pilot—Drain valves with an air pilot require an additional line of air to operate. Install a 5-micron particle filter (sold separately) before the 1- and 3.5-gpm capacity valves.

Contact for Remote Signaling Device—Drain valves with a contact for remote signaling device can be wired to activate a remote alarm if blocked.

	Inlet			Outlet							Air Pilot			Overall
	Pipe Size	Thread Type	Gender	Connection	For Tube ID	Pipe Size	Thread Type	Gender	Discharge Cap., gpm	Max. Pressure, psi	Pipe Size	Thread Type	Gender	Ht.	Wd.	Dp.	Max. Temp., ° F	Features		Each
Aluminum Housing







				Air Powered

				1/2	NPT	Female	Threaded	—	1/2	NPT	Female	1	200	1/8	NPT	Female	7 3/8"	8 1/4"	5 7/8"	130	Resevoir Window	6773K43	0000000


				1/2	NPT	Female	Threaded	—	1/2	NPT	Female	1.5	170	1/4	NPT	Female	11"	9 1/4"	10 1/2"	130	Clear Resevoir, Particle Filter	6773K42	00000000
				3/4	NPT	Female	Threaded	—	1/2	NPT	Female	3.5	250	1/8	NPT	Female	8 1/2"	13 5/8"	9 1/8"	180	Clear Resevoir	6773K44	00000000




						Electric, 120V AC—Hardwire

						1/2	NPT	Female	Barbed	1/4"	—	—	Male	0.2	230	—	—	—	2 7/8"	4 7/8"	3 5/8"	120	Alarm	6773K46	000000




								Electric, 120V AC—3-Blade Plug

								1/2	NPT	Female	Barbed	3/8"	1/4	NPT	Male	2.9	230	—	—	—	4 1/2"	3 3/8"	7"	120	Alarm, Contact for Remote Signaling Device	6773K21	000000

High-Pressure Timer-Actuated Compressed Air Drain Valves


Brass Housing—IP65, NEMA 4 Enclosure Rating, 600 psi Maximum Pressure	Brass Housing—IP65, NEMA 4 Enclosure Rating, 1,200 psi Maximum Pressure	Bronze Housing—NEMA 4X Enclosure Rating	316 Stainless Steel Housing—NEMA 4X Enclosure Rating

These withstand at least double the pressure of our other timer-operated drain valves. Set the electronic timer to open automatically at your specified time interval. These drain valves are excellent for compressed air systems with high oil content because they resist clogging when water, oil, and sediment combine to form sludge. Install drain valves after separators, dryers, filters, and aftercoolers to collect and remove water from your air line.

NEMA 4 Enclosure Rating—Drain valves that meet NEMA 4 are rated for protection from dirt and washdowns.

NEMA 4X Enclosure Rating—Drain valves that meet NEMA 4X are rated for protection from dirt, washdowns, and corrosion.

Strainers—Install strainers before drain valves to prevent damage from debris in your pipeline.

	Valves																	Strainers
	Inlet			Outlet						Overall
	Pipe Size	Thread Type	Gender	Connection	Pipe Size	Thread Type	Gender	Discharge Cap., gpm	Max. Pressure, psi	Ht.	Wd.	Dp.	Cycle Interval Time	Drain Time	Max. Temp., ° F		Each		Each
Brass Housing—IP65, NEMA 4 Enclosure Rating







				Electric, 120V AC—3-Blade Plug

				1/4	NPT	Female	Threaded	1/4	NPT	Female	3	1,200	4 1/2"	2"	3 3/8"	1 min. to 45 min.	0.5 sec. to 10 sec.	130	9831K35	0000000	———	0


				3/8	NPT	Female	Threaded	3/8	NPT	Female	4	1,200	4 1/2"	2"	3 3/4"	1 min. to 45 min.	0.5 sec. to 10 sec.	130	9831K26	000000	———	0
				Timer-Operated Compressed Air Drain Valve, High-Pressure, Brass Housing, NEMA 4, 3/8 NPT Female Product Detail QuantityEachIn stock Select a compatible file type: Parasolid
				1/2	NPT	Female	Threaded	1/2	NPT	Female	3	1,200	4 1/2"	2"	3 3/8"	1 min. to 45 min.	0.5 sec. to 10 sec.	130	9831K36	000000	———	0
				1/2	NPT	Female	Threaded	1/2	NPT	Female	18	600	6"	6 3/8"	3"	1 hr. to 24 hr.	12 sec., 1 min. to 15 min.	140	41545K29	000000	———	0


				Bronze Housing—NEMA 4X Enclosure Rating







								Electric, 120V AC—3-Blade Plug

								1/2	NPT	Female	Threaded	1/2	NPT	Female	1.25	600	7"	7 5/8"	4"	1 min. to 50 min.	12 sec.	180	41545K19	000000	4389K38	000000


								3/4	NPT	Female	Threaded	3/4	NPT	Female	2.5	600	7 1/2"	7 5/8"	4"	1 min. to 50 min.	12 sec.	180	41545K22	000000	———	0
								1	NPT	Female	Threaded	1	NPT	Female	4.3	600	7 3/4"	7 5/8"	4"	1 min. to 50 min.	12 sec.	180	41545K23	000000	———	0


								316 Stainless Steel Housing—NEMA 4X Enclosure Rating







												Electric, 120V AC—3-Blade Plug

												1/2	NPT	Female	Threaded	1/2	NPT	Female	1.25	2,000	7"	7 5/8"	4"	1 min. to 50 min.	12 sec.	180	41545K27	000000	———	0


												3/4	NPT	Female	Threaded	3/4	NPT	Female	2.5	2,000	7 1/2"	7 5/8"	4"	1 min. to 50 min.	12 sec.	180	41545K25	000000	———	0
												1	NPT	Female	Threaded	1	NPT	Female	4.3	600	7 3/4"	7 5/8"	4"	1 min. to 50 min.	12 sec.	180	41545K26	000000	———	0

Replacement Filter Mesh

		Each
Replacement Filter Screens for Strainers	4389K21	00000

High-Discharge Float-Actuated Compressed Air Drain Valves

With a discharge capacity of more than four gallons per minute, these drain valves can handle large compressed air systems. Also known as drip legs, these drain valves have a float that automatically opens the drain when the bowl begins to fill. Install them at low points in your line after separators, dryers, filters, and aftercoolers. Drains can be serviced without removing them from your air line.

	Inlet			Outlet						Overall
	Pipe Size	Thread Type	Gender	Connection	Pipe Size	Thread Type	Gender	Discharge Cap., gpm	Max. Pressure, psi	Ht.	Wd.	Dp.	Max. Temp., ° F		Each
Aluminum Bowl—Opaque



		1	NPT	Female	Threaded	1/16	NPT	Female	4.2	300	6 3/4"	5 1/4"	10 3/8"	300	4394K62	0000000


		1	NPT	Female	Threaded	1/8	NPT	Female	4.2	150	6 3/4"	5 1/4"	10 3/8"	300	4394K61	000000

Timer-Actuated Compressed Air Drain Valves with Digital Display

Use the digital display to set these valves to open automatically at precise intervals. They’re excellent for compressed air systems with high oil content because they resist clogging when water, oil, and sediment combine to form sludge. Install drain valves after separators, dryers, filters, and aftercoolers to collect and remove water from your air line. They meet NEMA 4 for protection from dirt and washdowns.

Strainers—Install strainers before drain valves to prevent damage from debris in your pipeline.

	Valves																		Strainers
	Inlet			Outlet						Overall
	Pipe Size	Thread Type	Gender	Connection	Pipe Size	Thread Type	Gender	Discharge Cap., gpm	Max. Pressure, psi	Ht.	Wd.	Dp.	Cycle Interval Time, hr.	Drain Time, hr.	Digital Display Type	Max. Temp., ° F		Each		Each
Brass Housing with Digital Display—IP65 and NEMA 4 Enclosure Rating







				Electric, 120V AC—3-Blade Plug

				1/4	NPT	Female	Threaded	1/4	NPT	Female	7	230	3 3/4"	1 3/4"	3 1/2"	0 to 99	0 to 99	LED	130	3976T1	0000000	4389K37	000000


				3/8	NPT	Female	Threaded	3/8	NPT	Female	7	230	3 3/4"	1 3/4"	3 1/2"	0 to 99	0 to 99	LED	130	3976T2	000000	4389K39	00000
				1/2	NPT	Female	Threaded	1/2	NPT	Female	7	230	3 3/4"	1 3/4"	3 1/2"	0 to 99	0 to 99	LED	130	3976T3	000000	4389K38	00000

Replacement Filter Mesh

		Each
Replacement Filter Screens for Strainers	4389K21	00000

Drain Valves for Thick Liquids

Empty mud, sludge, and water from tanks, reservoirs, and basins. First designed for use on settling tanks in water treatment plants, these stainless steel drain valves won't corrode from washdowns and long-term exposure to waste. They install flush with the bottom of large vessels. Lift them up for drainage using a valve wrench or position indicator.

				Bolt					Overall
	Pipe Size	Pressure Class	Flange OD	Circle Dia.	No. of Holes	Hole Dia.	Included	Temp. Range, ° F	Wd.	Ht.	Stem Type	Drive Style	Drive Size	Valve Type	For Use With		Each
316 Stainless Steel Body and Disc



		4	125	9"	7 1/2"	8	3/4"	No	35 to 125	9 5/16"	15 1/4"	Nonrising	External Square	2"	Globe	Water, Thick Liquids	8308N11	000000000


		6	125	11"	9 1/2"	8	7/8"	No	35 to 125	11 3/16"	15 1/4"	Nonrising	External Square	2"	Globe	Water, Thick Liquids	8308N12	00000000
		8	125	13 1/4"	11 3/4"	8	7/8"	No	35 to 125	13 5/8"	20 1/4"	Nonrising	External Square	2"	Globe	Water, Thick Liquids	8308N13	00000000
		10	125	16"	14 1/4"	12	1"	No	35 to 125	16 1/2"	23 7/8"	Nonrising	External Square	2"	Globe	Water, Thick Liquids	8308N14	00000000
		12	125	18 3/4"	17"	12	1"	No	35 to 125	19 1/4"	25 3/4"	Nonrising	External Square	2"	Globe	Water, Thick Liquids	8308N15	00000000

Easy-Clean Float-Actuated Compressed Air Drain Valves

An external drain provides quick, easy access for cleaning. Also known as drip legs, these drain valves have a float that automatically opens the drain when the bowl begins to fill. Install them at low points in your line after separators, dryers, filters, and aftercoolers. Drains can be serviced without removing them from your air line.

	Inlet			Outlet						Overall
	Pipe Size	Thread Type	Gender	Connection	Pipe Size	Thread Type	Gender	Discharge Cap.	Max. Pressure, psi	Ht.	Wd.	Dp.	Drain Material	Max. Temp., ° F		Each
Polycarbonate Bowl—Opaque



		1/2	NPT	Female	Threaded	1/4	NPT	Female	Not Rated	150	7 3/4"	3 3/4"	3 3/4"	Bronze	120	2406K11	0000000

Back-Pressure-Actuated Compressed Air Drain Valves

When your compressor turns off, it creates back pressure that opens these valves automatically, allowing liquid to escape. Moisture is atomized as it is discharged through the included muffler, eliminating the need for discharge piping. The muffler also minimizes noise. Install drain valves after coolers, separators, dryers, and filters.

	Valves																Replacement Mufflers
	Inlet			Outlet						Overall
	Pipe Size	Thread Type	Gender	Connection	Pipe Size	Thread Type	Gender	Discharge Cap., gpm	Max. Pressure, psi	Ht.	Wd.	Dp.	Max. Temp., ° F	Includes		Each		Each
Steel Housing



		3/8	NPT	Female	Threaded	3/8	NPT	Female	0.4	600	5"	2 5/8"	2 5/8"	220	Muffler	4372K5	0000000	4372K3	000000


		1/2	NPT	Female	Threaded	1/2	NPT	Female	0.4	600	5 1/2"	2 5/8"	2 5/8"	220	Muffler	4372K8	000000	4372K4	00000