PFA Compression Tube Fittings

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For Tube Hardness

Durometer 50D to Durometer 65D

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About Measuring Fittings

Measure the threaded ends of your fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

Compression Fittings for Plastic Tubing—Chemicals

For Use With: PFA Plastic: Hydrochloric Acid, Sulfuric Acid
PTFE Plastic: Alcohol, Ammonia, Benzoic Acid, Bleach, Bromine, Coolant, Fluoboric Acid, Hydrochloric Acid, Hydrofluoric Acid, Nitric Acid, Organic Solvents, Sodium Carbonate, Sulfuric Acid
Temperature Range: PFA Plastic: 0° to 350° F
PTFE Plastic: -40° to 185° F
Tubing: PFA Plastic: Use with hard (Durometer 50D-65D) PFA or PTFE plastic
PTFE Plastic: Use with hard (Durometer 60D) PFA or PTFE plastic

A sleeve (ferrule) compresses the tubing as you tighten the nut, creating a strong seal. The nut and sleeve are included. Fittings are also known as flareless fittings. Fittings that include a gripper sleeve on the tubing create an even tighter seal.

PFA fittings stand up to harsh substances. They’re made through a melting process. PTFE fittings are highly resistant to most acids, alcohols, detergents, and solvents. They’re made by machining. Their nut is made of PVDF, which is resistant to halogens such as chlorine and bromine, strong acids such as hydrofluoric and nitric acids, and organic solvents.

Straight Adapters, Tube × Male Threaded Pipe

NPT Threads
For Tube OD	Pipe Size	Material	Color	Max. Pressure		Each
1/8"	1/8	PFA Plastic	White	120 psi @ 72° F	52195K51	000000
1/8"	1/4	PFA Plastic	White	125 psi @ 72° F	52195K211	000000
1/4"	1/8	PFA Plastic	White	120 psi @ 72° F	52195K52	00000
1/4"	1/4	PFA Plastic	White	120 psi @ 72° F	52195K53	00000
1/4"	3/8	PFA Plastic	White	120 psi @ 72° F	52195K54	00000
1/4"	1/2	PFA Plastic	White	120 psi @ 72° F	52195K55	00000
1/4"	3/4	PFA Plastic	White	125 psi @ 72° F	52195K212	000000
3/8"	1/8	PFA Plastic	White	125 psi @ 72° F	52195K213	000000
3/8"	1/4	PFA Plastic	White	120 psi @ 72° F	52195K56	00000
3/8"	3/8	PFA Plastic	White	120 psi @ 72° F	52195K57	00000
3/8"	1/2	PFA Plastic	White	120 psi @ 72° F	52195K58	00000
1/2"	1/4	PFA Plastic	White	120 psi @ 72° F	52195K64	000000
1/2"	3/8	PFA Plastic	White	120 psi @ 72° F	52195K65	000000
1/2"	1/2	PFA Plastic	White	120 psi @ 72° F	52195K66	000000
1/2"	3/4	PFA Plastic	White	125 psi @ 72° F	52195K214	000000
3/4"	1/2	PFA Plastic	White	125 psi @ 72° F	52195K215	000000
3/4"	3/4	PFA Plastic	White	120 psi @ 72° F	52195K63	000000
4mm	1/8	PTFE Plastic	White	100 psi @ 72° F	52195K764	00000
6mm	1/8	PTFE Plastic	White	100 psi @ 72° F	52195K765	00000
6mm	1/4	PTFE Plastic	White	100 psi @ 72° F	52195K766	00000
8mm	1/4	PTFE Plastic	White	100 psi @ 72° F	52195K767	000000
10mm	1/4	PTFE Plastic	White	100 psi @ 72° F	52195K768	000000
10mm	3/8	PTFE Plastic	White	100 psi @ 72° F	52195K769	00000
12mm	3/8	PTFE Plastic	White	80 psi @ 72° F	52195K771	00000
12mm	1/2	PTFE Plastic	White	80 psi @ 72° F	52195K772	00000

Straight Adapters, Tube × Female Threaded Pipe

NPT Threads
For Tube OD	Pipe Size	Material	Color	Max. Pressure		Each
1/8"	1/8	PFA Plastic	White	120 psi @ 72° F	52195K71	000000
1/8"	1/4	PFA Plastic	White	125 psi @ 72° F	52195K216	000000
1/4"	1/8	PFA Plastic	White	120 psi @ 72° F	52195K72	000000
1/4"	1/4	PFA Plastic	White	120 psi @ 72° F	52195K73	000000
1/4"	3/8	PFA Plastic	White	120 psi @ 72° F	52195K74	000000
1/4"	1/2	PFA Plastic	White	120 psi @ 72° F	52195K75	000000
3/8"	1/4	PFA Plastic	White	120 psi @ 72° F	52195K77	000000
3/8"	3/8	PFA Plastic	White	120 psi @ 72° F	52195K78	000000
3/8"	1/2	PFA Plastic	White	120 psi @ 72° F	52195K79	000000
1/2"	1/4	PFA Plastic	White	120 psi @ 72° F	52195K36	000000
1/2"	3/8	PFA Plastic	White	120 psi @ 72° F	52195K37	000000
1/2"	1/2	PFA Plastic	White	120 psi @ 72° F	52195K38	000000
1/2"	3/4	PFA Plastic	White	125 psi @ 72° F	52195K217	000000
3/4"	3/4	PFA Plastic	White	120 psi @ 72° F	52195K84	000000
10mm	3/8	PTFE Plastic	White	100 psi @ 72° F	52195K742	000000

Through-Wall Straight Adapters, Tube × Male Threaded Pipe

Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.

NPT Threads
For Tube OD	Pipe Size	Material	Color	Max. Pressure	For Hole Dia.	For Max. Wall Thick.		Each
1/4"	1/4	PFA Plastic	White	120 psi @ 72° F	1/2"	1/4"	52195K124	0000000
3/8"	3/8	PFA Plastic	White	120 psi @ 72° F	5/8"	1/4"	52195K125	000000
1/2"	1/2	PFA Plastic	White	120 psi @ 72° F	3/4"	1/4"	52195K126	000000
3/4"	3/4	PFA Plastic	White	120 psi @ 72° F	1"	1/2"	52195K127	000000

Straight Connectors, Tube

For Tube OD	Material	Color	Max. Pressure		Each
1/8"	PFA Plastic	White	120 psi @ 72° F	52195K21	000000
1/4"	PFA Plastic	White	120 psi @ 72° F	52195K22	00000
3/8"	PFA Plastic	White	120 psi @ 72° F	52195K23	000000
1/2"	PFA Plastic	White	120 psi @ 72° F	52195K18	000000
3/4"	PFA Plastic	White	120 psi @ 72° F	52195K25	000000
4mm	PTFE Plastic	White	100 psi @ 72° F	52195K797	000000
6mm	PTFE Plastic	White	100 psi @ 72° F	52195K798	000000

Through-Wall Straight Connectors, Tube

Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.

For Tube OD	Material	Color	Max. Pressure	For Hole Dia.	For Max. Wall Thick.		Each
1/8"	PFA Plastic	White	125 psi @ 72° F	5/16"	1/4"	52195K219	0000000
1/4"	PFA Plastic	White	125 psi @ 72° F	1/2"	1/4"	52195K221	000000
3/8"	PFA Plastic	White	125 psi @ 72° F	5/8"	1/4"	52195K222	000000
1/2"	PFA Plastic	White	125 psi @ 72° F	3/4"	1/4"	52195K223	000000
3/4"	PFA Plastic	White	125 psi @ 72° F	1"	1/4"	52195K224	000000
4mm	PTFE Plastic	White	100 psi @ 72° F	25/64"	1/4"	52195K724	000000
6mm	PTFE Plastic	White	100 psi @ 72° F	29/64"	1/4"	52195K725	000000
12mm	PTFE Plastic	White	80 psi @ 72° F	57/64"	1/4"	52195K728	000000

Straight Reducers, Tube

For Tube OD (A)	For Tube OD (B)	Material	Color	Max. Pressure		Each
1/4"	1/8"	PFA Plastic	White	125 psi @ 72° F	52195K226	0000000
3/8"	1/4"	PFA Plastic	White	125 psi @ 72° F	52195K227	000000
1/2"	1/8"	PFA Plastic	White	125 psi @ 72° F	52195K228	000000
1/2"	1/4"	PFA Plastic	White	125 psi @ 72° F	52195K229	000000
1/2"	3/8"	PFA Plastic	White	125 psi @ 72° F	52195K231	000000
3/4"	1/2"	PFA Plastic	White	125 psi @ 72° F	52195K232	000000
6mm	4mm	PTFE Plastic	White	100 psi @ 72° F	52195K786	000000
10mm	6mm	PTFE Plastic	White	100 psi @ 72° F	52195K788	000000
10mm	8mm	PTFE Plastic	White	100 psi @ 72° F	52195K789	000000

90° Elbow Adapters, Tube × Male Threaded Pipe

NPT Threads
For Tube OD	Pipe Size	Material	Color	Max. Pressure		Each
1/8"	1/8	PFA Plastic	White	120 psi @ 72° F	52195K46	000000
1/8"	1/4	PFA Plastic	White	125 psi @ 72° F	52195K233	000000
1/4"	1/8	PFA Plastic	White	120 psi @ 72° F	52195K47	00000
1/4"	1/4	PFA Plastic	White	120 psi @ 72° F	52195K48	00000
1/4"	3/8	PFA Plastic	White	120 psi @ 72° F	52195K481	00000
1/4"	1/2	PFA Plastic	White	120 psi @ 72° F	52195K482	00000
3/8"	1/4	PFA Plastic	White	120 psi @ 72° F	52195K49	00000
3/8"	3/8	PFA Plastic	White	120 psi @ 72° F	52195K85	00000
3/8"	1/2	PFA Plastic	White	120 psi @ 72° F	52195K86	00000
1/2"	1/4	PFA Plastic	White	120 psi @ 72° F	52195K27	00000
1/2"	3/8	PFA Plastic	White	120 psi @ 72° F	52195K28	00000
1/2"	1/2	PFA Plastic	White	120 psi @ 72° F	52195K29	00000
3/4"	1/2	PFA Plastic	White	125 psi @ 72° F	52195K236	000000
3/4"	3/4	PFA Plastic	White	120 psi @ 72° F	52195K891	000000
6mm	1/8	PTFE Plastic	White	100 psi @ 72° F	52195K774	00000
6mm	1/4	PTFE Plastic	White	100 psi @ 72° F	52195K775	00000
10mm	3/8	PTFE Plastic	White	100 psi @ 72° F	52195K778	000000

90° Elbow Adapters, Tube × Female Threaded Pipe

NPT Threads
For Tube OD	Pipe Size	Material	Color	Max. Pressure		Each
1/8"	1/8	PFA Plastic	White	125 psi @ 72° F	52195K237	0000000
1/4"	1/4	PFA Plastic	White	125 psi @ 72° F	52195K239	000000
3/8"	3/8	PFA Plastic	White	125 psi @ 72° F	52195K242	000000
1/2"	1/2	PFA Plastic	White	125 psi @ 72° F	52195K244	000000

90° Elbow Connectors, Tube

For Tube OD	Material	Color	Max. Pressure		Each
1/4"	PFA Plastic	White	120 psi @ 72° F	52195K32	000000
3/8"	PFA Plastic	White	120 psi @ 72° F	52195K33	000000
1/2"	PFA Plastic	White	120 psi @ 72° F	52195K19	000000
3/4"	PFA Plastic	White	120 psi @ 72° F	52195K35	000000
6mm	PTFE Plastic	White	100 psi @ 72° F	52195K809	00000
12mm	PTFE Plastic	White	80 psi @ 72° F	52195K813	000000

Through-Wall 90° Elbow Connectors, Tube

Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.

For Tube OD	Material	Color	Max. Pressure	For Hole Dia.	For Max. Wall Thick.		Each
1/4"	PFA Plastic	White	125 psi @ 72° F	1/2"	1/4"	52195K245	0000000

90° Elbow Reducers, Tube

For Tube OD (A)	For Tube OD (B)	Material	Color	Max. Pressure		Each
3/8"	1/4"	PFA Plastic	White	125 psi @ 72° F	52195K247	0000000
1/2"	3/8"	PFA Plastic	White	125 psi @ 72° F	52195K249	000000

Inline Tee Adapters, Tube × Male Threaded Pipe

Inline tees are also known as branch tees.

NPT Threads
For Tube OD	Pipe Size	Material	Color	Max. Pressure		Each
1/8"	1/8	PFA Plastic	White	120 psi @ 72° F	52195K13	0000000
1/8"	1/4	PFA Plastic	White	125 psi @ 72° F	52195K258	000000
1/4"	1/8	PFA Plastic	White	120 psi @ 72° F	52195K11	000000
1/4"	1/4	PFA Plastic	White	120 psi @ 72° F	52195K14	000000
3/8"	1/4	PFA Plastic	White	120 psi @ 72° F	52195K112	000000
3/8"	3/8	PFA Plastic	White	120 psi @ 72° F	52195K15	000000
3/8"	1/2	PFA Plastic	White	120 psi @ 72° F	52195K113	000000
1/2"	1/4	PFA Plastic	White	120 psi @ 72° F	52195K116	000000
1/2"	1/2	PFA Plastic	White	120 psi @ 72° F	52195K118	000000
3/4"	3/4	PFA Plastic	White	120 psi @ 72° F	52195K17	000000

Tee Connectors, Tube

For Tube OD	Material	Color	Max. Pressure		Each
1/8"	PFA Plastic	White	120 psi @ 72° F	52195K41	0000000
1/4"	PFA Plastic	White	120 psi @ 72° F	52195K42	000000
3/8"	PFA Plastic	White	120 psi @ 72° F	52195K43	000000
1/2"	PFA Plastic	White	120 psi @ 72° F	52195K39	000000
3/4"	PFA Plastic	White	120 psi @ 72° F	52195K45	000000
4mm	PTFE Plastic	White	100 psi @ 72° F	52195K815	000000
6mm	PTFE Plastic	White	100 psi @ 72° F	52195K816	000000
8mm	PTFE Plastic	White	100 psi @ 72° F	52195K817	000000

Inline Tee Reducers, Tube

Inline tees are also known as branch tees.

For Tube OD (A)	For Tube OD (B)	Material	Color	Max. Pressure		Each
1/8"	1/4"	PFA Plastic	White	125 psi @ 72° F	52195K262	0000000
3/8"	1/4"	PFA Plastic	White	125 psi @ 72° F	52195K265	000000

Plugs

For Tube OD	Material	Color	Max. Pressure		Each
1/8"	PFA Plastic	White	125 psi @ 72° F	52195K267	0000000
1/4"	PFA Plastic	White	125 psi @ 72° F	52195K268	000000
3/8"	PFA Plastic	White	125 psi @ 72° F	52195K269	000000
1/2"	PFA Plastic	White	125 psi @ 72° F	52195K271	000000
3/4"	PFA Plastic	White	125 psi @ 72° F	52195K272	000000

Replacement Nuts

For Tube OD	OD	Length		Each
1/8"	9/16"	9/16"	52195K286	000000
1/4"	27/32"	31/32"	52195K287	00000
3/8"	15/16"	63/64"	52195K288	00000
1/2"	1 3/32"	1 1/8"	52195K289	00000
3/4"	1 13/32"	1 15/64"	52195K291	00000

Replacement Nut Assemblies

For Tube OD	Includes		Each
1/8"	Gripper Sleeve, Nut, Sleeve	52195K292	000000
1/4"	Gripper Sleeve, Nut, Sleeve	52195K293	00000
3/8"	Gripper Sleeve, Nut, Sleeve	52195K294	00000
1/2"	Gripper Sleeve, Nut, Sleeve	52195K295	00000
3/4"	Gripper Sleeve, Nut, Sleeve	52195K296	00000

Replacement Sleeves

For Tube OD		Each
1/8"	52195K281	000000
1/4"	52195K282	00000
3/8"	52195K283	00000
1/2"	52195K284	00000
3/4"	52195K285	00000

Replacement Grippers

For Tube OD		Each
1/8"	52195K273	00000
1/4"	52195K274	00000
3/8"	52195K275	00000
1/2"	52195K276	00000
3/4"	52195K277	00000