Can the SNAP-TITE female threaded quick connect socket with valve, carbon steel, 71 series (1/4" Ã· 1") be used with pulsating hydraulic systems and what pressure reduction is required?

Yes. The SNAP-TITE female threaded quick connect socket with valve, carbon steel, 71 series (1/4" Ã· 1") can be used in pulsating hydraulic systems, but the working pressure must be reduced by 40% when pulsation is present. Select the appropriate coupling material and seal (NBR, Viton, or EPR) for your fluid and temperature range. The socket offers the highest working pressure among flat-face couplings (up to 690 bar depending on size) and may include an optional pin to prevent accidental disconnection.

Can the SNAP-TITE female threaded quick connect socket with valve, carbon steel, 71 series (1/4" Ã· 1") be used with steam applications and are special seals required?

Yes - the SNAP-TITE female threaded quick connect socket with valve, carbon steel, 71 series (1/4" Ã· 1") can be used with steam, but you must choose appropriate sealing material and observe pressure/temperature limits. Recommended seals for steam service: Viton (â26Â°C to +204Â°C) covers many steam temperatures; EPR (â56Â°C to +120Â°C) and NBR (â35Â°C to +120Â°C) are lower-temperature options and may be unsuitable for higher-temperature steam. Also reduce working pressure by 40% for pulsating conditions and ensure working pressure for your size is within safe limits (up to 690 bar depending on size). If steam temperature/pressure exceeds seal ratings, use special high-temperature seals.

Can the SNAP-TITE female threaded quick connect socket with valve, carbon steel, 71 series (1/4" Ã· 1") be used with combustible fuels and which seals are recommended?

Yes. the SNAP-TITE female threaded quick connect socket with valve, carbon steel, 71 series (1/4" Ã· 1") can be used with combustible fuels, provided you select compatible seals and observe pressure/operating limits. Recommended seals: - Viton (FKM): recommended for most combustible fuels (petrol, diesel, kerosene, many hydrocarbons). Temperature range â26Â°C to +204Â°C. Best chemical compatibility and fuel resistance among the available options. - NBR (Buna-N): acceptable for some fuels and oils but less resistant to aromatic hydrocarbons and high temperatures. Temperature range â35Â°C to +120Â°C. Use only if fuel compatibility is confirmed for your specific fuel. - EPR (EPDM): not generally recommended for hydrocarbon fuels (poor compatibility with petroleum-based fuels); suitable for water, steam, some chemicals. Temperature range â56Â°C to +120Â°C. Other important notes: - Choose coupling material (carbon steel, galvanized) and seal type based on the specific fuel and service conditions. - For pulsating pressure applications, reduce working pressure by 40%. - Observe the couplingâs maximum working pressure (up to 690 bar depending on size) and temperature limits of the selected seal. - Consider optional anti-disconnection pin for added safety in fuel service. If you specify the exact fuel (e.g., gasoline, diesel, aviation fuel) and operating temperature/pressure, a more precise seal recommendation can be provided.

SNAP-TITE female threaded quick connect socket with valve, carbon steel, 71 series (1/4″ ÷ 1″)

All products, Hydraulic quick couplings/

Additional information

Material	CS – steel (cast iron)
Standard length [m]	10

Snap-Tite non-drip quick coupling socket (1/4″ to 1″) with internal BSP or NPTF thread, manufactured in the USA, designed for heavy-duty working conditions. They feature the highest working pressure among “flat-face” type quick couplings. The couplings can be operated with one hand. Depending on the application, the appropriate material for the coupling and sealing must be selected. In the case of pulsating pressure, the working pressure should be reduced by 40%. Optionally, the socket has a pin to prevent accidental disconnection. Applications: hydraulic power (hydraulic oil), industrial (water, steam, fuels and oils, gases, chemicals). Working pressure: up to 690 bar (depending on the size of the quick coupling). Material: carbon steel, galvanized. Sealing: NBR (from -35°C to +120°C), viton (from -26°C to +204°C), EPR (from -56°C to +120°C). The specified flow at Δp = 3 bar.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
SN-71C12-12F	Socket 71 3/4", GW 3/4" NPTF	-	517	In stock	Enquiry
SN-71C12-12FE	Socket 71 3/4", GW 3/4" NPTF, EPR	-	517	In stock	Enquiry
SN-71C12-12FSL	Socket 71 3/4", GW 3/4" NPTF, pin	-	517	In stock	Enquiry
SN-71C12-12FV	Socket 71 3/4", GW 3/4" NPTF, Viton	-	517	In stock	Enquiry
SN-71C12-12RP	Socket 71 3/4", G 3/4" BSP	-	517	In stock	Enquiry
SN-71C12-12RPSL	Socket 71 3/4", G 3/4" BSP, spindle	-	517	In stock	Enquiry
SN-71C12-12RPV	Socket 71 3/4", GW 3/4" BSP, Viton	-	517	In stock	Enquiry
SN-71C12-12RPVSL	Socket 71 3/4", G 3/4" BSP, Viton, spindle	-	517	In stock	Enquiry
SN-71C16-16F	Socket 71 1", GW 1" NPTF	-	517	In stock	Enquiry
SN-71C16-16FSL	Socket 71 1", GW 1" NPTF, pin	-	517	In stock	Enquiry
SN-71C16-16FV	Socket 71 1", GW 1" NPTF, Viton	-	517	In stock	Enquiry
SN-71C16-16RP	Socket 71 1", GW 1" BSP	-	517	In stock	Enquiry
SN-71C16-16RPSL	Socket 71 1", GW 1" BSP, spindle	-	517	In stock	Enquiry
SN-71C16-20RP	Socket 71 1", GW 1.1/4" BSP	-	517	In stock	Enquiry
SN-71C4-4F	Socket 71 1/4", GW 1/4" NPTF	-	690	In stock	Enquiry
SN-71C4-4FSL	Socket 71 1/4", GW 1/4" NPTF, pin	-	690	In stock	Enquiry
SN-71C4-4RP	Socket 71 1/4", G 1/4" BSP	-	690	In stock	Enquiry
SN-71C4-4RPV	Socket 71 1/4", G 1/4" BSP, Viton	-	690	In stock	Enquiry
SN-71C6-4RP	Socket 71 3/8", GW 1/4" BSP	-	690	In stock	Enquiry
SN-71C6-6F	Socket 71 3/8", GW 3/8" NPTF	-	690	In stock	Enquiry
SN-71C6-6FESL	Socket 71 3/8", GW 3/8" NPTF, EPR, pin	-	690	In stock	Enquiry
SN-71C6-6FSL	Socket 71 3/8", GW 3/8" NPTF, pin	-	690	In stock	Enquiry
SN-71C6-6FV	Socket 71 3/8", GW 3/8" NPTF, Viton	-	690	In stock	Enquiry
SN-71C6-6RP	Socket 71 3/8", GW 3/8" BSP	-	690	In stock	Enquiry
SN-71C6-6RPSL	Socket 71 3/8", GW 3/8" BSP, spindle	-	690	In stock	Enquiry
SN-71C6-8RP	Socket 71 3/8", G 1/2" BSP	-	690	In stock	Enquiry
SN-71C8-8F	Socket 71 1/2", GW 1/2" NPTF	-	690	In stock	Enquiry
SN-71C8-8FESL	Socket 71 1/2", GW 1/2" NPTF, EPR, pin	-	690	In stock	Enquiry
SN-71C8-8FSL	Socket 71 1/2", GW 1/2" NPTF, pin	-	690	In stock	Enquiry
SN-71C8-8FV	Socket 71 1/2", GW 1/2" NPTF, Viton	-	690	In stock	Enquiry
SN-71C8-8RP	Socket 71 1/2", G 1/2" BSP	-	690	In stock	Enquiry
SN-71C8-8RPSL	Socket 71 1/2", G 1/2" BSP, pin	-	690	In stock	Enquiry
SN-71C8-8RPV	Socket 71 1/2", G 1/2" BSP, Viton	-	690	In stock	Enquiry

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Snap-Tite non-drip quick coupling socket (1/4″ to 1″) with internal BSP or NPTF thread, manufactured in the USA, designed for heavy-duty working conditions. They feature the highest working pressure among “flat-face” type quick couplings. The couplings can be operated with one hand. Depending on the application, the appropriate material for the coupling and sealing must be selected. In the case of pulsating pressure, the working pressure should be reduced by 40%. Optionally, the socket has a pin to prevent accidental disconnection. Applications: hydraulic power (hydraulic oil), industrial (water, steam, fuels and oils, gases, chemicals). Working pressure: up to 690 bar (depending on the size of the quick coupling). Material: carbon steel, galvanized. Sealing: NBR (from -35°C to +120°C), viton (from -26°C to +204°C), EPR (from -56°C to +120°C). The specified flow at Δp = 3 bar.