线上十大赌游

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                              1. Forged steel, piston, ball or swing check. Full or standard port. Bolted or welded cover joint. T-Pattern or Y-Pattern. Integral body seat for piston or ball check. Separate seat ring design for the swing check valve.

                                ASME B16.34 – BS 5352
                                Testing according to API 598
                                Marking MSS SP25
                                Spring on request only
                                Spiral-wound gasket
                                Socket Weld Ends to ASME B16.11
                                Screwed Ends (NPT) to ASME B1.20.1
                                Butt Welding Ends to ASME B16.25

                                © 2019 Zhejiang Relia Valve Co., Ltd. China valve manufacturer

                                Tel: + 86-, E-mail:

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