Wafer Double Door Ductile Iron Check Valve Manufacturers

Our factory provides valve, roll grooving tools, press fittings. And our products are mainly exported to Japan, Korea, Germany, Switzerland, Poland and USA. We take high quality, reasonable price and perfect service.

Hot Products

  • Short Female Elbow

    Short Female Elbow

    We supply Short Female Elbow.The HISPEED® Short Female Elbow can be applied to water treatment and drinking water,oil and gas,heating&power,HAVC system,medicine&food and so on. We are specialized in providing stainless steel press fittings system solutions and products for pipelines.We are expecting to become your long term partner in China.
  • Non-Rising Stem Resilient-Seated(NRS) Gate Valve(Grooved End)

    Non-Rising Stem Resilient-Seated(NRS) Gate Valve(Grooved End)

    Buy Non-Rising Stem Resilient-Seated(NRS) Gate Valve(Grooved End) which is of high quality directly with low price. We supply Non-Rising Stem Resilient-Seated(NRS) Gate Valve(Grooved End).The gate valve provides full flow with minimal pressure drop. The gate valve is designed to be the main control valve in an automatic fire sprinkler system. The gate valve features a AWWA C606 Groove, grooved end connection for easy installation and accessibility. We are expecting to become your long term partner in China.
  • Non-Rising Stem Cast Iron Gate Valve

    Non-Rising Stem Cast Iron Gate Valve

    As the professional manufacture, we would like to provide you Hispeed® Non-Rising Stem Cast Iron Gate Valve. We supply Non-Rising Stem Cast Iron Gate Valve.The Cast Iron Gate Valve provides full flow with minimal pressure drop. The Cast Iron Gate Valve features a Class 125 flange or a PN16 flange, easy installation and accessibility. The HISPEED® flanged cast iron gate valve may be used in commercial and industrial applications, including hot and cold water, HVAC, steam, gas and other general utility services.Choose HISPEED® gate valves for the most specified, versatile and economical valve option in commercial, mechanical and industrial applications.We are expecting to become your long term partner in China.
  • Dry Sprinklers

    Dry Sprinklers

    We supply Dry Sprinklers.The HISPEED® Dry sprinklers are designed for use in areas where the sprinkler may be subjected to freezing conditions. Dry sprinklers may be used in dry systems, where the entire area being protected is subject to freezing, and wet systems, where a small portion of the area being protected is subject to freezing. We are expecting to become your long term partner in China.
  • Brass or Bronze Ball Valve

    Brass or Bronze Ball Valve

    We supply Brass or Bronze Ball Valve.The HISPEED® Brass or Bronze Ball Valves are designed and manufactured to provide maximum service life and dependability.The HISPEED® Brass or Bronze Ball Valves may be used in building services, water treatment, gas,oil,etc. Choose HISPEED® Brass or Bronze Ball Valves for the most specified, versatile and economical valve option in commercial, mechanical and industrial applications.We are expecting to become your long term partner in China.
  • Stainless Steel Grooved End Fittings Tee

    Stainless Steel Grooved End Fittings Tee

    As the professional manufacture, we would like to provide you Hispeed® STAINLESS STEEL GROOVED END FITTINGS TEE. And we will offer you the best after-sale service and timely delivery. The Hispeed Model SS-10 and SS-20 stainless steel grooved fittings are investment cast in sizes 1" - 8"; SS-11 is investment cast in sizes 1” – 10”; and SS-60 are investment cast in sizes 1”-12”. These fittings are supplied in ASTM A351 or A743 austenitic grades CF8 (304) and CF8M (316). Materials are in compliance with NSF/ANSI 372 for potable water service applications. In addition fittings are also available on request in CF3M (316L), 316Ti, 2205 Duplex, 2507 Super Duplex and ASTM CK-3MCuN (UNS J93245) the cast equivalent to 254SMO* to meet your specific service requirements. All cast fittings feature full flow characteristics and are designed to the same C - E dimensions of standard ductile iron grooved fittings.

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