Y-Type Mid-Section Welded Check Valve

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Check valve

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Y-Type Mid-Section Welded Check Valve
Y-Type Mid-Section Welded Check Valve

Product Details

  • 产品描述

  • Application Guidelines

    1. Design and Manufacturing: According to ASME/ANSI B16.34, API602, GB/T 12224, GB/T 12235, GB/T 28776, and JB/T 7746. 
    2. Connection end dimensions: 
    1) Socket-weld ends comply with ASME/ANSI B16.11 and JB/T 1751. 
    2) Threaded ends comply with ASME/ANSI B1.20.1 (NPT) and GB/T 7306-87 (RC). 
    3. Structural Feature: W.C.; Spring-piston lift-and-lower type—“Y”-shaped. 
    4. Sealing pair material: Selected according to the "Ordering Instructions." 
    5. Main materials: A105, LF2, F5, F11, F22, F304, F316, F304L, F316L, and more. 
    6. Valve inspection and testing: Conducted according to API 598 or GB/T 26480 standards.

     

    Main dimensions and weight

     Unit: mm
    Specification NPS(in)1/43/81/23/41 1/¼1 / ½2 
    Nominal Diameter DNmm8 10 15 20 25 32 40 50 
    d(overall diameter)7 10 13 18 24 29 36.5 46.5 
    L800-pound class; PN1498 98 98 98 120 130 140 170 
    1500-pound class; PN25102 102 102 102 130 150 190 200 
    H800-pound class; PN1484 84 84 84 102 114 114 145 
    1500-pound class; PN2590 90 90 101 125 132 142 203 
    Weight (kg)800-pound class; PN143.0 2.8 2.7 3.7 6.5 9.0 10.1 11.0 
    1500-pound class; PN253.2 3.1 3.0 4.1 7.2 11.0 12.0 13.8 
    Explanation: Y   The swing check valve offers low flow resistance for the conveyed medium. All channel openings are full-bore. (F.P.).

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