Tubing Check Valve-Flared Style – TF

Description

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.

Size & Dimension
Tubing
O.D.
Size
Size Code A Hex* B C Orifice Diameter
1/8 A 2.16 7/8 0.69 0.348
1/4 B 2.16 7/8 0.89 0.348
3/8 C 2.16 7/8 0.91 0.348
1/2 D 2.47 1-1/8 1.04 0.464
5/8 E 2.63 1-1/4 1.20 0.464
3/4 F 2.92 1-1/2 1.38 0.593
7/8 G 3.34 1-7/8 1.40 0.890
1 H 3.34 1-7/8 1.46 0.890
1-1/4 I 3.48 2-1/4 1.58 1.135
1-1/2 J 3.81 2-1/2 1.79 1.385
2 K 5.09 3-1/2 2.19 2.025



NOTES (DIMENSIONS TABLE)*May be larger and/or round.Consult factory for more information.

Available Materials
  • 316 Stainless Steel (SS)
  • Brass (BR)
  • Carbon Steel (CS)
Pressure Temperature Table
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.

Flow Data

PRESSURE DROP PSI

Size Cv
1/8 0.08
1/4 0.7
3/8 1.6
1/2 3.1
5/8 4.3
3/4 5.4
7/8 8.5
1 11.5
1-1/4 16.0
1-1/2 29.0
2 60.0

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
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 weights are approximate.

Seat Cracking Pressure Options
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" 316 SS
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