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The Tubing Check Valve-Flared (TF) is a three piece constructed check valve with 37º flared end fittings that conform to SAE J514 & ISO 8434-2. These valves are designed for maximum flow with minimal pressure drop. Many valves in this series can be supplied with B16.34 certification.
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316 Stainless Steel (SS) Brass (BR) Carbon Steel (CS)
Line Size | Non-Shock Pressure-Temperature Rating | ||
Stainless Steel (SS) | Carbon Steel (CS) | Brass (BR) | |
1/8" - 1/2" | 7700 PSIG @ 100 °F | 6000 PSIG @ 100 °F | 3000 PSIG @ 100 °F |
5/8" - 3/4" | 6000 PSIG @ 100 °F | 5000 PSIG @ 100 °F | 1600 PSIG @ 100 °F |
7/8" | 5400 PSIG @ 100 °F | 5000 PSIG @ 100 °F | 1600 PSIG @ 100 °F |
1" | 5400 PSIG @ 100 °F | 4500 PSIG @ 100 °F | 1600 PSIG @ 100 °F |
1-1/4" | 3600 PSIG @ 100 °F | 4000 PSIG @ 100 °F | 1600 PSIG @ 100 °F |
1-1/2" | 2400 PSIG @ 100 °F | 3000 PSIG @ 100 °F | 1600 PSIG @ 100 °F |
2" | 1800 PSIG @ 100 °F | 2000 PSIG @ 100 °F | 1600 PSIG @ 100 °F |
Seat material and spring material selection may limit the recommended service temperature.
See seat ratings, spring ratings, and body material ratings for their respective recommended service temperatures.
Consult the factory for reduced P-T rating above 100 °F. Standard spring material is 316 Stainless Steel.
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FOR WATER AT 72°F ![]() WATER FLOWRATE - GPM Note: All flow curves and Cv values presume the valves are fully open with 1/2 PSI cracking pressure springs. Consult the factory for more information. |
Valve weights are approximate.
SIZE PART NUMBER ALL MATL 1/8 TFA 5.5 oz. 1/4 TFB 6.6 oz. 3/8 TFC 7.2 oz. 1/2 TFD 13 oz. 5/8 TFE 1.8 lb. 3/4 TFF 2.3 lb. 7/8 TFG 2.7 lb. 1 TFH 3.0 lb. 1-1/4 TFI 5.7 lb. 1-1/2 TFJ 7.8 lb. 2 TFK 15 lb.
Valve Style | Size Range | Body Materials Other Options | Allowable Seat Materials Other Options | Standard Cracking Pressures Other Options More Info. | Standard Spring Material More Info. | |
TF | 1/4" - 1-1/4" | 316 SS Brass |
AFLAS® EPDM "Metal to Metal" PTFE |
Buna-N Kalrez® Neoprene Viton® |
1/8
PSI 1/2 PSI 1.5 PSI 3.5 PSI |
316 SS |
TF | 1/4" - 1-1/4" | C. Steel | AFLAS® Buna-N Kalrez® "Metal to Metal" |
Neoprene PTFE Viton® |
1/8 PSI 1/2 PSI 1.5 PSI 3.5 PSI |
316 SS |
TF | 1-1/2" - 2" | 316SS Brass |
AFLAS® Buna-N EPDM Kalrez® |
"Metal to Metal" Neoprene PTFE Viton® |
1/8 PSI 1/2 PSI 1.5 PSI |
316 SS |
TF | 1-1/2" - 2" | C. Steel | AFLAS® Buna-N Kalrez® "Metal to Metal" |
Neoprene PTFE Viton® |
1/8 PSI 1/2 PSI 1.5 PSI |
316 SS |
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