FIG 0640 Bronze Y-Pattern Swing Check Valve CLASS 150 CONFORM TO USA:MSS-SP-80 Parts and materials list Part Material Body Cast Bronze Bonnet Cast Bronze Disc Cast Bronze Pin Brass Plug Brass Dimension Unit : mm   1/4 3/8 1/2 3/4 1 1-1/4 1-1/2 2 Size 10 15 20 25 32 40 50 65 L 55 54 61 70 81 91 109 138 H 39 36 43 49 55 62 70 82 Working pressure marking = 150psi Water, Oil, Air under 120oC = 16.9kgf/cm2 Saturated steam=10kgf/cm2 Hydrostatic test pressure Shell = 32kgf/cm2 Seat = 22kgf/cm2   FIG 0642 Bronze Y-Pattern Swing Check Valve CLASS 300 CONFORM TO USA:MSS-SP-80 Parts and materials list Part Material Body Cast Bronze (B61) Bonnet Cast Bronze (B61) Disc Cast Bronze (B61) Pin Brass Plug Brass Dimension Unit : mm   1/4 3/8 1/2 3/4 1 1-1/4 1-1/2 2 Size 8 10 15 20 25 32 40 50 L 50.8 50.8 63.6 73 89 111 117.5 146 H 36.5 36.5 44.5 52.4 63.5 78.6 87.3 104.8 * Y-type design effects an excellent leakage proof. Working pressure marking = 300psi Water, Oil, Air under 120oC = 30kgf/cm2 Saturated steam=20kgf/cm2 Hydrostatic test pressure Shell = 105kgf/cm2 Seat = 70kgf/cm2

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