Horizontal Vertical Flanged & Drilled PTFE Lined Style - HT

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Horizontal Vertical Flanged & Drilled PTFE Lined Style ( HT)

The Check-All Flanged & Drilled - Fluoropolymer PTFE Lined (HT) check valve is a one-piece body valve with ANSI/ASME B16.5 Class 150 flanged ends. The valve has a solid one-piece PTFE liner, which covers the flange faces out to the raised face diameter. All wetted surfaces are fluoropolymer (PTFE/FEP/PFA) including the FEP encapsulated stainless steel spring. Style HT bodies are made of cast Carbon Steel only. The liner is made of virgin PTFE. It is installed as one solid piece of PTFE and the internal geometrical shape is machined. The PTFE liner has a minimum wall thickness of 3/32 inch which guarantees against pin holes which can be present in fused liners.

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Nominal Pipe Size Size Code A B Orifice* Diameter
1 H 3.75 4-1/4 0.890
1-1/2 J 4.38 5 1.385
2 K 5.13 6 2.025
NOTES (DIMENSIONS TABLE)
*Due to molding process, Orifice Diameter may vavry.
Consult factory for more information.
  • WCB/WCC Carbon Steel (CS)
  • Body Material Liner Material Nominal Pipe Size Non-Shock Pressure-Temperature Rating
    WCB/WCC Carbon Steel (CS) PTFE (TF) 1" 55 psig @ 100 °F
    1-1/2" - 2" 20 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 12.6
    1-1/2 34.5
    2 83.0

    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 PTFE LINED
    1 HTHCS 3.7 lb.
    1-1/2 HTJCS 5.8 lb.
    2 HTKCS 9.4 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.
    HT 1" - 2" PTFE Lined
    C. Steel
    AFLAS®
    Buna-N
    Kalrez®
    "Metal to Metal"
    Neoprene
    PTFE
    Viton®

    1/2 PSI FEP
    Encapsulated
    316 SS

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