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About Gradual On/Off Valves
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About On/Off Valves
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Threaded Gradual On/Off Valves
Also known as gate valves, these valves gradually open and close to prevent system damage from suddenly starting and stopping flow.
Valves with a pull handle open and close faster than valves with a wheel handle. Also known as slide valves, they’re often used to control flow in air conditioning and ventilation systems. Valves with a wheel handle open and close with multiple turns, providing more controlled, shock-resistant flow than valves with a pull handle.
Valves with a rising stem lift the handle as they open and lower it as they close. At a glance, you can see if flow is on or off. The stem is isolated from what’s flowing through your line, giving these valves a longer lifespan than valves with a nonrising stem. Valves with a nonrising stem keep the stem in the same position whether they’re open or closed. They’re often used underground and in low-clearance locations.
316 stainless steel valves resist corrosion better than bronze, brass, and cast iron valves.
Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open valve with a difference of 1 psi between the inlet and the outlet.
- Valve Type: Gate
- For Use With: Oil, Air, Argon, Helium, Krypton, Neon, Xenon
O'all | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Pipe Size  | Flow Coefficient (Cv) | Max. Pressure | Temp. Range, °F | Stem Housing Connection Style | End-to-End Lg. | Ht. | Lg. | Each | |
NPT Female | |||||||||
| 1 | 80 | 20 psi @ 1000° F | -40° to 1000° | Flanged | 2 13/16" | 9 3/8" | 3 5/16" | 0000000 | 0000000 |
| 1 1/2 | 115 | 20 psi @ 1000° F | -40° to 1000° | Flanged | 2 13/16" | 9 3/8" | 3 5/16" | 0000000 | 000000 |
| 2 | 170 | 20 psi @ 1000° F | -40° to 1000° | Flanged | 2 13/16" | 10 5/8" | 4" | 0000000 | 000000 |
| 2 1/2 | 245 | 20 psi @ 1000° F | -40° to 1000° | Flanged | 2 13/16" | 11 5/8" | 4 1/2" | 0000000 | 000000 |
| 3 | 550 | 20 psi @ 1000° F | -40° to 1000° | Flanged | 3 5/16" | 12 5/8" | 5" | 0000000 | 000000 |
| 4 | 685 | 10 psi @ 1000° F | -40° to 1000° | Flanged | 3 5/16" | 14 5/8" | 6" | 0000000 | 000000 |
| 6 | 2,150 | 5 psi @ 1000° F | -40° to 1000° | Flanged | 3 13/16" | 18 5/8" | 8" | 0000000 | 000000 |
- Valve Type: Gate
- For Use With: See Table
- Specifications Met: See Table
O'all | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Flow Coefficient (Cv) | Max. Pressure | Max. Steam Pressure | Temp. Range, °F | Stem Housing Connection Style | End-to-End Lg. | Ht. | Lg. | For Use With | Specifications Met | Each | |
NPT Female | ||||||||||||
| 1/2 | 17.6 | 200 psi @ 350° F | 120 psi @ 350° F | 0° to 350° | Threaded | 2 1/8" | 4 1/2" | 2 3/4" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | ASTM A351 | 0000000 | 000000 |
| 3/4 | 32 | 200 psi @ 350° F | 120 psi @ 350° F | 0° to 350° | Threaded | 2 5/16" | 4 7/8" | 2 3/4" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | ASTM A351 | 0000000 | 00000 |
| 1 | 54 | 200 psi @ 350° F | 120 psi @ 350° F | 0° to 350° | Threaded | 2 11/16" | 5 3/8" | 3 1/8" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | ASTM A351 | 0000000 | 000000 |
| 1 1/4 | 97 | 200 psi @ 350° F | 120 psi @ 350° F | 0° to 350° | Threaded | 2 15/16" | 6 5/16" | 3 1/8" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | ASTM A351 | 0000000 | 000000 |
| 1 1/2 | 135 | 200 psi @ 350° F | 120 psi @ 350° F | 0° to 350° | Threaded | 3 1/8" | 7 1/2" | 3 15/16" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | ASTM A351 | 0000000 | 000000 |
| 2 | 230 | 200 psi @ 350° F | 120 psi @ 350° F | 0° to 350° | Threaded | 3 11/16" | 8 3/8" | 3 15/16" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | ASTM A351 | 0000000 | 000000 |
| 3 | 802 | 200 psi @ 72° F | __ | -35° to 375° | Threaded | 5 1/8" | 11 3/16" | 5 1/8" | Water, Oil, Air, Helium, Krypton, Neon, Xenon, Carbon Dioxide, Nitrogen | __ | 00000000 | 000000 |
High-Pressure Threaded Gradual On/Off Valves
Designed for use in refineries and other demanding environments, these valves have a durable body that can withstand nearly twice the pressure of other gradual on/off valves. Also known as gate valves, they gradually open and close with multiple turns of the wheel handle to prevent system damage from suddenly starting and stopping flow.
These valves have a rising stem that lifts the handle as the valve opens and lowers as the valve closes. At a glance, you can see if flow is open or closed. The stem is isolated from what's flowing through your line, giving these valves a longer lifespan than valves with a nonrising stem. Their flanged stem housing, also known as a bolted bonnet, bolts in place to make them easy to take apart for maintenance and repairs. However, the flanged stem housing makes these valves heavier and larger than valves with threaded or welded stem housings.
Standard-port valves slightly restrict flow.
316 stainless steel valves have excellent corrosion resistance.
Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open valve with a difference of 1 psi between the inlet and the outlet.
- Valve Type: Gate
- For Use With: Water, Air, Steam
- Packing Material: Graphite
- Specifications Met: American Petroleum Institute Standard 602, ASTM A182
O'all | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Flow Coefficient (Cv) | Max. Pressure | Max. Steam Pressure | Temp. Range, °F | End-to-End Lg. | Ht. | Lg. | Stem Type | Each | |
NPT Female | ||||||||||
Standard Port | ||||||||||
| 1/2 | 7 | 1600 psi @ 100° F | 900 psi @ 800° F | -20° to 800° | 3 1/8" | 6 3/4" | 3 1/8" | Rising | 00000000 | 0000000 |
| 3/4 | 14 | 1600 psi @ 100° F | 900 psi @ 800° F | -20° to 800° | 3 9/16" | 6 7/8" | 3 9/16" | Rising | 00000000 | 000000 |
| 1 | 30 | 1600 psi @ 100° F | 900 psi @ 800° F | -20° to 800° | 4 3/8" | 7 7/8" | 4 3/8" | Rising | 00000000 | 000000 |
| 1 1/4 | 85 | 1600 psi @ 100° F | 900 psi @ 800° F | -20° to 800° | 4 11/16" | 10" | 4 11/16" | Rising | 00000000 | 000000 |
| 1 1/2 | 100 | 1600 psi @ 100° F | 900 psi @ 800° F | -20° to 800° | 4 11/16" | 10 1/2" | 4 11/16" | Rising | 00000000 | 000000 |
| 2 | 160 | 1600 psi @ 100° F | 900 psi @ 800° F | -20° to 800° | 5 1/2" | 12 3/8" | 5 1/2" | Rising | 00000000 | 000000 |
Plastic Threaded Gradual On/Off Valves
- Valve Type: Gate
- For Use With: Water
- Seat Material: See Table
Plastic provides an economical and lightweight alternative to metal. These valves gradually open and close to prevent system damage from suddenly starting and stopping flow. Pull the handle to open the valve. All valves have a rising stem that lifts as the valve opens and lowers as the valve closes to provide a visual indication of whether flow is on or off.
304 stainless steel gates are more durable than glass-filled polypropylene gates.
O'all | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Max. Pressure | Temp. Range, °F | Seat Material | End-to-End Lg. | Ht. | Lg. | Stem Type | Color | Each | |
NPT Female × NPT Female | ||||||||||
PVC Plastic Body—304 Stainless Steel Gate | ||||||||||
| 2 × 2 | 40 psi @ 120° F | 35° to 120° | Santoprene Rubber | 3 1/2" | 10 1/4" | 3 3/8" | Rising | White | 0000000 | 000000 |
| 3 × 3 | 30 psi @ 120° F | 35° to 120° | Santoprene Rubber | 4 1/2" | 13" | 4 3/8" | Rising | White | 0000000 | 00000 |
NPT Female × NPT Male | ||||||||||
PVC Plastic Body—304 Stainless Steel Gate | ||||||||||
| 2 × 2 | 40 psi @ 120° F | 35° to 120° | Santoprene Rubber | 3 1/2" | 10 1/4" | 3 3/8" | Rising | White | 0000000 | 00000 |
| 3 × 3 | 30 psi @ 120° F | 35° to 120° | Santoprene Rubber | 4 1/2" | 13" | 4 3/8" | Rising | White | 0000000 | 00000 |
NPT Male × NPT Male | ||||||||||
PVC Plastic Body—304 Stainless Steel Gate | ||||||||||
| 3 × 3 | 15 psi @ 120° F | 35° to 120° | Santoprene Rubber | 4 1/2" | 13" | 4 3/8" | Rising | White | 0000000 | 00000 |
Threaded Gradual On/Off Valves for Boiler Blow-Off
Prevent boiler scale deposits and sediment buildup with these valves that meet ASME standards for boiler drainage applications. Also known as gate valves, they gradually open and close to prevent system damage from suddenly starting or stopping flow.
Valves with a lever handle open and close faster than valves with a wheel handle.
Steel valves resist corroding from the dirt and particles that come out of industrial boilers better than cast iron valves.
Use repair kits to replace worn-out seals.
Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open valve with a difference of 1 psi between the inlet and the outlet.
- Valve Type: Gate
- For Use With: Water
- Packing Material: Graphite/TFE Plastic Blend
- Specifications Met: ASME B16.34, ASME B16.5, ASME B31.1, ASME BPVC.I
Valves | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
O'all | Repair Kits | |||||||||
| Pipe Size | Flow Coefficient (Cv) | Max. Pressure | Temp. Range, °F | End-to-End Lg. | Ht. | Lg. | Each | Each | ||
NPT Female | ||||||||||
| 1 1/4 | 60 | 490 psi @ 750° F | 35° to 750° | 5 1/4" | 13 1/8" | 5 1/4" | 00000000 | 000000000 | 00000000 | 0000000 |
| 1 1/2 | 108 | 490 psi @ 750° F | 35° to 750° | 6" | 17 11/16" | 6" | 00000000 | 00000000 | 00000000 | 000000 |
| 2 | 132 | 490 psi @ 750° F | 35° to 750° | 6 1/4" | 23 9/16" | 6 1/4" | 00000000 | 00000000 | 00000000 | 000000 |
Flanged Gradual On/Off Valves
Rising Stem, and
Four Bolt Holes
Rising Stem, and
Eight Bolt Holes
Rising Stem, and
Eight Bolt Holes
Easier to install and remove than threaded or weld-on valves, these valves bolt to flanges. They’re often used in lines requiring frequent cleaning and maintenance, such as those for slurries. They open and close gradually, preventing system damage from sudden starts and stops in flow. Also known as gate valves.
Valves with a wheel handle open and close with multiple turns, providing more controlled, shock-resistant flow than valves with a pull handle. Valves with a pull handle, also known as slide valves, open and close faster than valves with a wheel handle. They’re often used as blast gates for precise flow control in low-pressure air conditioning and ventilation systems.
Valves with a rising stem lift the handle as they open and lower it as they close. At a glance, you can see if flow is on or off. The stem is isolated from what’s flowing through your line, giving these valves a longer lifespan than valves with a nonrising stem. This makes them good for critical lines and lines that need to be opened and closed frequently.
Cast iron valves are stronger than steel valves but more brittle than steel, ductile iron, and stainless steel valves. 316 stainless steel valves have the best corrosion resistance.
Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open valve with a difference of 1 psi between the inlet and the outlet.
- Valve Type: Gate
- For Use With: Water, Oil, Air, Steam
- Specifications Met: American Petroleum Institute Standard 603, ASME B16.34
O'all | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Pressure Class | Flange OD | Bolt Circle Dia. | No. of Bolt Holes | Bolt Hole Dia. | Bolts Included | Flow Coefficient (Cv) | Max. Pressure | Max. Steam Pressure | Temp. Range, °F | Packing Material | End-to-End Lg. | Ht. | Lg. | Each | |
Flanged Stem Housing | ||||||||||||||||
| 1 | 150 | 4 1/4" | 3 1/8" | 4 | 1/2" | No | 80 | 275 psi @ 100° F | 150 psi @ 350° F | 0° to 375° | PTFE Plastic | 5" | 11 5/16" | 4 3/4" | 00000000 | 0000000 |
| 1 1/2 | 150 | 5" | 3 7/8" | 4 | 1/2" | No | 300 | 275 psi @ 100° F | 150 psi @ 350° F | 0° to 375° | PTFE Plastic | 6 1/2" | 14 5/16" | 7 7/8" | 00000000 | 000000 |
| 2 | 150 | 6" | 4 3/4" | 4 | 3/4" | No | 360 | 275 psi @ 100° F | 150 psi @ 350° F | 0° to 375° | PTFE Plastic | 7" | 16" | 7 7/8" | 00000000 | 00000000 |
| 3 | 150 | 7 1/2" | 6" | 4 | 3/4" | No | 1,150 | 275 psi @ 100° F | 150 psi @ 350° F | 0° to 375° | PTFE Plastic | 8" | 22 1/4" | 9 13/16" | 00000000 | 00000000 |
| 4 | 150 | 9" | 7 1/2" | 8 | 3/4" | No | 2,150 | 275 psi @ 100° F | 150 psi @ 350° F | 0° to 375° | PTFE Plastic | 9" | 25 15/16" | 9 13/16" | 00000000 | 00000000 |
| 6 | 150 | 11" | 9 1/2" | 8 | 7/8" | No | 4,150 | 275 psi @ 100° F | 195 psi @ 350° F | -20° to 800° | Graphite | 10 1/2" | 34 3/4" | 11 13/16" | 000000000 | 00000000 |
| 8 | 150 | 13 1/2" | 11 3/4" | 8 | 7/8" | No | 5,250 | 275 psi @ 100° F | 195 psi @ 350° F | -20° to 800° | Graphite | 11 1/2" | 42 5/8" | 13 13/16" | 000000000 | 00000000 |
- Valve Type: Gate
- For Use With: Oil, Air
O'all | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Pressure Class | Flange OD | Bolt Circle Dia. | No. of Bolt Holes | Bolt Hole Dia. | Bolts Included | Flow Coefficient (Cv) | Max. Pressure | Temp. Range, °F | End-to-End Lg. | Ht. | Lg. | Each | |
Flanged Stem Housing | ||||||||||||||
| 4 | 125 | 9" | 7 1/2" | 8 | 3/4" | No | 685 | 10 psi @ 1000° F | -40° to 1000° | 5 1/4" | 15 5/8" | 6" | 0000000 | 0000000 |
| 6 | 125 | 11" | 9 1/2" | 8 | 7/8" | No | 2,150 | 5 psi @ 1000° F | -40° to 1000° | 5 3/4" | 20" | 8" | 0000000 | 00000000 |
Flanged Gradual On/Off Valves for Thick Liquids and Dry Materials
- Valve Type: Gate
- For Use With: Air, Argon, Deionized Water, Ethanol, Ethylene Glycol, Helium, Isopropyl Alcohol, Krypton, Methanol, Neon, Nitrogen, Salt Water, Soap Solutions, Water, Xenon
These valves have a sharp gate that slices through thick slurries, wastewater, dry bulk solids, and other materials that would clog other gradual on/off valves. They bolt to flanges and gradually open and close to prevent system damage from suddenly starting and stopping flow. The wheel handle opens and closes the valve with multiple turns, providing controlled, shock-resistant flow. The rising stem lifts as the valve opens and lowers as the valve closes to provide a visual indication of whether flow is on or off. The stem is isolated from the process media for a long service life.
O'all | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Flange OD | Bolt Hole Dia. | Bolt Circle Dia. | No. of Bolt Holes | Bolts Included | Max. Pressure | Temp. Range, °F | End-to-End Lg. | Ht. | Lg. | Stem Type | Each | |
Ductile Iron Body—316 Stainless Steel Gate | |||||||||||||
| 3 | 7 1/2" | 5/8" | 6" | 4 | No | 150 psi @ 248° F | -22° to 248° | 2 1/4" | 23" | 7 1/16" | Rising | 0000000 | 000000000 |
| 4 | 9" | 5/8" | 7 1/2" | 8 | No | 150 psi @ 248° F | -22° to 248° | 2 1/4" | 29 7/16" | 6 3/4" | Rising | 0000000 | 00000000 |
| 6 | 11" | 3/4" | 9 1/2" | 8 | No | 150 psi @ 248° F | -22° to 248° | 2 1/2" | 34 7/16" | 9 3/8" | Rising | 0000000 | 00000000 |
Vapor-Sealing Flanged Gradual On/Off Valves
- Valve Type: Gate
- For Use With: Gasoline, Oil, Steam, Water
- Specifications Met: API 602, ASME B16.34, MSS-SP-117
Control the flow of steam, hazardous gases, and other vapors without risking leaks. These valves have an accordion-like bellows around the stem that expands as they open and contracts as they close, forming an airtight seal. If the bellows fail, a reinforced seal—also known as a backseat seal—minimizes the risk of leakage. Ideal for heating and steam service applications, they maintain their seal even as the temperature swings. Plus, the stem housing is welded to make sure nothing leaks out. Also known as gate valves, these valves open and close gradually with multiple turns of the wheel handle to prevent sudden starts and stops. They bolt onto flanges, so they’re easier to install and remove for cleaning and repairs than threaded or weld-on valves.
The handle raises as these valves open and lowers as they close. At a glance, you can see if flow is on or off. The stem is isolated from what’s flowing through your line, giving these valves a longer lifespan than valves with a nonrising stem.
O'all | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Pressure Class | Flange OD | Bolt Hole Dia. | Bolt Circle Dia. | No. of Bolt Holes | Max. Pressure | Max. Steam Pressure | Temp. Range, °F | End-to-End Lg. | Ht. | Lg. | Each | |
Wheel Handle and Rising Stem—Steel Body and 420 Stainless Steel Gate | |||||||||||||
Welded Stem Housing with 321 Stainless Steel Bellows | |||||||||||||
| 1/2 | 150 | 3 1/2" | 5/8" | 2 3/8" | 4 | 285 psi @ 100° F | 80 psi @ 800° F | -20° to 800° | 4 1/4" | 11 1/2" | 4 1/4" | 0000000 | 000000000 |
| 3/4 | 150 | 3 7/8" | 5/8" | 2 3/4" | 4 | 285 psi @ 100° F | 80 psi @ 800° F | -20° to 800° | 4 9/16" | 12 3/4" | 4 9/16" | 0000000 | 00000000 |
| 1 | 150 | 4 1/4" | 5/8" | 3 1/8" | 4 | 285 psi @ 100° F | 80 psi @ 800° F | -20° to 800° | 5" | 15 1/8" | 5" | 0000000 | 00000000 |
| 1 1/2 | 150 | 5" | 5/8" | 3 7/8" | 4 | 285 psi @ 100° F | 80 psi @ 800° F | -20° to 800° | 6 1/2" | 19 1/2" | 6 1/2" | 0000000 | 00000000 |
| 2 | 150 | 6" | 3/4" | 4 3/4" | 4 | 285 psi @ 100° F | 80 psi @ 800° F | -20° to 800° | 7" | 23 1/4" | 7" | 0000000 | 00000000 |
Plastic Socket-Connect Gradual On/Off Valves
Female ×
Socket-Connect Female
Female ×
Socket-Connect Male
Female ×
Threaded NPT Female
Male ×
Socket-Connect Male
- Valve Type: Gate
- For Use With: Water
For a lightweight and economical alternative to metal valves, these are made of plastic. Insert unthreaded pipe into the socket ends and bond with PVC primer and cement to create a permanent, leak-tight connection. Valves gradually open and close to prevent system damage from suddenly starting and stopping flow. Pull the handle to open the valve. All valves have a rising stem that lifts as the valve opens and lowers as the valve closes to provide a visual indication of whether flow is on or off.
304 stainless steel gates are more durable than glass-filled polypropylene gates.
O'all | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Max. Pressure | Temp. Range, °F | End-to-End Lg. | Ht. | Lg. | Stem Type | Color | Each | |
Socket Connect Female × Socket Connect Female | |||||||||
PVC Plastic Body—304 Stainless Steel Gate | |||||||||
| 2 × 2 | 40 psi @ 120° F | 35° to 120° | 3 1/2" | 10 1/4" | 3 3/8" | Rising | White | 0000000 | 000000 |
| 3 × 3 | 30 psi @ 120° F | 35° to 120° | 4 1/2" | 13" | 4 3/8" | Rising | White | 0000000 | 00000 |
| 4 × 4 | 20 psi @ 120° F | 35° to 120° | 5 3/16" | 18" | 6 11/16" | Rising | White | 0000000 | 00000 |
| 6 × 6 | 10 psi @ 120° F | 35° to 120° | 11 1/8" | 31 1/8" | 6 5/8" | Rising | White | 0000000 | 000000 |
Socket Connect Female × Socket Connect Male | |||||||||
PVC Plastic Body—304 Stainless Steel Gate | |||||||||
| 2 × 2 | 40 psi @ 120° F | 35° to 120° | 3 1/2" | 10 1/4" | 3 3/8" | Rising | White | 0000000 | 00000 |
| 3 × 3 | 30 psi @ 120° F | 35° to 120° | 4 1/2" | 13" | 4 3/8" | Rising | White | 0000000 | 00000 |
Socket Connect Female × Threaded NPT Female | |||||||||
PVC Plastic Body—304 Stainless Steel Gate | |||||||||
| 2 × 2 | 40 psi @ 120° F | 35° to 120° | 3 1/2" | 10 1/4" | 3 3/8" | Rising | White | 0000000 | 00000 |
| 3 × 3 | 30 psi @ 120° F | 35° to 120° | 4 1/2" | 13" | 4 3/8" | Rising | White | 0000000 | 00000 |
Socket Connect Male × Socket Connect Male | |||||||||
PVC Plastic Body—304 Stainless Steel Gate | |||||||||
| 2 × 2 | 40 psi @ 120° F | 35° to 120° | 3 1/2" | 10 1/4" | 3 3/8" | Rising | White | 0000000 | 00000 |
| 3 × 3 | 30 psi @ 120° F | 35° to 120° | 4 1/2" | 13" | 4 3/8" | Rising | White | 0000000 | 00000 |
Socket-Connect Gradual On/Off Valves
- Valve Type: Gate
- For Use With: Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam
- Packing Material: PTFE Plastic
- Specifications Met: ASTM A351
Insert unthreaded pipe into the socket ends and weld to create a permanent, leak-tight connection. Also known as gate valves, these valves gradually open and close with multiple turns of the wheel handle to prevent system damage from suddenly starting and stopping flow. Valves have a nonrising stem that stays in the same position whether the valve is open or closed. Body is 316 stainless steel for excellent corrosion resistance.
O'all | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Max. Pressure | Max. Steam Pressure | Temp. Range, °F | End-to-End Lg. | Ht. | Lg. | Stem Type | Each | |
Socket Connect Female | |||||||||
316 Stainless Steel Body and Gate | |||||||||
| 1/2 | 200 psi @ 350° F | 120 psi @ 350° F | 0° to 350° | 2 1/8" | 4 1/8" | 2 3/4" | Nonrising | 0000000 | 0000000 |
| 3/4 | 200 psi @ 350° F | 120 psi @ 350° F | 0° to 350° | 2 5/16" | 4 5/8" | 2 3/4" | Nonrising | 0000000 | 000000 |
| 1 | 200 psi @ 350° F | 120 psi @ 350° F | 0° to 350° | 2 11/16" | 5 3/8" | 3 1/8" | Nonrising | 0000000 | 000000 |
| 1 1/4 | 200 psi @ 350° F | 120 psi @ 350° F | 0° to 350° | 2 15/16" | 7 3/16" | 3 1/8" | Nonrising | 0000000 | 000000 |
| 1 1/2 | 200 psi @ 350° F | 120 psi @ 350° F | 0° to 350° | 3 1/8" | 7 7/16" | 3 15/16" | Nonrising | 0000000 | 000000 |
| 2 | 200 psi @ 350° F | 120 psi @ 350° F | 0° to 350° | 3 11/16" | 8 1/4" | 3 15/16" | Nonrising | 0000000 | 000000 |
Gradual On/Off Valves with Quick-Clamp Fittings for High Vacuum
Also known as vacuum isolation valves, these block flow so you can install and remove gauges from your system. They can also be used to add or vent gases in high-vacuum systems. Valves gradually open and close with multiple turns of the wheel handle to prevent system damage from suddenly starting and stopping flow. They connect to another quick-clamp (ISO-KF) fitting with a clamp and a ring (sold separately). All have a nonrising stem that stays in the same position whether the valve is open or closed. Body is 304 stainless steel for good corrosion resistance.
- Valve Type: Gate
- For Use With: Air
- For Tube Material: 304/304L Stainless Steel, 316/316L Stainless Steel
- Seal Material: Viton® Fluoroelastomer Rubber
- Specifications Met: ISO 2861
O'all | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Flange OD | High Vacuum Connection Type | Max. Vacuum | Temp. Range, °F | Ht. | Lg. | High-Vacuum Flange Size | Sterilize With | Stem Type | Each | |
Quick Clamp | |||||||||||
304 Stainless Steel Body—316 Stainless Steel Gate | |||||||||||
| 1/2" | 1 3/16" | ISO-KF | 10 -8 torr @ 72° F | 0° to 190° | 4 1/8" | 2 1/4" | 10 | Steam (Autoclaving) | Nonrising | 00000000 | 0000000 |
| 3/4" | 1 3/16" | ISO-KF | 10 -8 torr @ 72° F | 0° to 190° | 4 1/8" | 2 1/4" | 16 | Steam (Autoclaving) | Nonrising | 00000000 | 000000 |
| 1" | 1 9/16" | ISO-KF | 10 -8 torr @ 72° F | 0° to 190° | 5 5/8" | 3" | 25 | Steam (Autoclaving) | Nonrising | 00000000 | 000000 |
| 1 1/2" | 2 1/8" | ISO-KF | 10 -8 torr @ 72° F | 0° to 190° | 6 3/8" | 3 7/8" | 40 | Steam (Autoclaving) | Nonrising | 00000000 | 000000 |
| 2" | 2 15/16" | ISO-KF | 10 -8 torr @ 72° F | 0° to 190° | 8" | 4 1/2" | 50 | Steam (Autoclaving) | Nonrising | 00000000 | 000000 |
- For Use With: Air
- O-Ring Material: Viton® Fluoroelastomer Rubber
- For Tube Material: 304/304L Stainless Steel, 316/316L Stainless Steel, Aluminum
- Inner Ring Material: 304 Stainless Steel
- Specifications Met: ISO 2861
Use these rings with quick-clamp high-vacuum fittings. They consist of a stainless steel inner ring covered by a fluoroelastomer O-ring.
Rings with screen have a stainless steel screen to filter out large particles.
| For Tube OD | For Flange OD | For High-Vacuum Flange Size | Max. Vacuum | Temp. Range, °F | Lg. | Max. Pressure | Each | |
Rings | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1/2" | 1.18" | 10 | 10 -8 torr @ 72° F | 0° to 300° | 5/16" | Not Rated | 00000000 | 00000 |
| 3/4" | 1.18" | 16 | 10 -8 torr @ 72° F | 0° to 300° | 5/16" | Not Rated | 00000000 | 0000 |
| 1" | 1.57" | 25 | 10 -8 torr @ 72° F | 0° to 300° | 5/16" | Not Rated | 0000000 | 00000 |
| 1 1/2" | 2.16" | 40 | 10 -8 torr @ 72° F | 0° to 300° | 5/16" | Not Rated | 0000000 | 00000 |
| 2" | 2.95" | 50 | 10 -8 torr @ 72° F | 0° to 300° | 5/16" | Not Rated | 0000000 | 00000 |
Rings with Stainless Steel Screen | ||||||||
| 3/4" | 1.18" | 16 | 10 -8 torr @ 72° F | 0° to 300° | 5/16" | Not Rated | 00000000 | 00000 |
| 1" | 1.57" | 25 | 10 -8 torr @ 72° F | 0° to 300° | 5/16" | Not Rated | 00000000 | 00000 |
| 1 1/2" | 2.16" | 40 | 10 -8 torr @ 72° F | 0° to 300° | 5/16" | Not Rated | 00000000 | 00000 |
| 2" | 2.95" | 50 | 10 -8 torr @ 72° F | 0° to 300° | 5/16" | Not Rated | 00000000 | 00000 |
Rings with Aluminum Outer Ring | ||||||||
| 3/4" | 1.18" | 16 | 10 -8 torr @ 72° F | 0° to 300° | 5/16" | Not Rated | 00000000 | 00000 |
| 1" | 1.57" | 25 | 10 -8 torr @ 72° F | 0° to 300° | 5/16" | 100 psi @ 72° F | 0000000 | 00000 |
| 1 1/2" | 2.16" | 40 | 10 -8 torr @ 72° F | 0° to 300° | 5/16" | 75 psi @ 72° F | 0000000 | 00000 |
| 2" | 2.95" | 50 | 10 -8 torr @ 72° F | 0° to 300° | 5/16" | 50 psi @ 72° F | 0000000 | 00000 |