Tubing Check Valve Style - TV

Member of the Tubing Series

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Tubing Check Valve Style - TV

The Tubing Check (TV) valve is constructed with compression tube fittings (flareless) and is designed for a minimum pressure drop. The valves are furnished complete with ferrules and nuts. The TV valve can also be used as a low pressure relief valve or vacuum breaker by using the desired spring settings. Many valves in this series can bu supplied with B16.34 certification.

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

View TV Dimensions in PDF format

Tubing
O.D.
Size
Size Code A Hex*
Size B
C D Orifice Diameter
1/8 A 2.16 7/8 0.42 3.99 0.348
1/4 B 2.16 7/8 0.57 4.58 0.348
3/4 C 2.16 7/8 0.57 4.80 0.348
1/2 D 2.48 1-1/8 0.63 5.44 0.464
5/8 E 2.63 1-1/4 0.72 5.89 0.464
3/4 F 2.93 1-1/2 0.85 6.47 0.593
7/8 G 3.34 1-7/8 0.85 6.98 0.890
1 H 3.34 1-7/8 0.81 7.18 0.890
1-1/4 I 3.48 2.-1/4 0.89 7.56 1.135
1-1/2 J 3.81 2-1/2 0.89 7.99 1.385
2 K 5.09 3-1/2 1.05 9.66 2.025
  • 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" - 3/8" 8000 PSIG @ 100 °F 3000 PSIG @ 100 °F
    1/2" 6600 PSIG @ 100 °F 3000 PSIG @ 100 °F
    5/8" - 3/4" 6000 PSIG @ 100 °F 1600 PSIG @ 100 °F
    7/8" - 1" 5000 PSIG @ 100 °F 1600 PSIG @ 100 °F
    1-1/4" - 1-1/2" 4000 PSIG @ 100 °F 1600 PSIG @ 100 °F
    2" 2600 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.

    Size Cv
    1/8 0.8
    1/4 1.5
    3/8 2.0
    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

    P
    R
    E
    S
    S
    U
    R
    E

    D
    R
    O
    P

    P
    S
    I

    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.

    SIZE PART NUMBER ALL MATL
    1/8 TVA 6.9 oz.
    1/4 TVB 7.6 oz.
    3/8 TVC 8.1 oz.
    1/2 TVD 13  oz.
    5/8 TVE 1.8 lb
    3/4 TVF 2.3 lb.
    7/8 TVG 2.7 lb.
    1 TVH 3.0 lb.
    1-1/4 TVI 4.9 lb.
    1-1/2 TVJ 7.8 lb.
    2 TVK 15  lb.
    Valve weights are approximate.
    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.
    TV 1/8" - 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
    TV 1/8" - 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
    TV 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
    TV 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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