Double Door Check Valve Manufacturers

That has a sound business credit history, outstanding after-sales service and modern producing facilities, we have earned an superb popularity amid our buyers across the planet for Double Door Check Valve,300PSI Wafer Double Door Check Valve,Wafer Double Door Check Valve,Wafer Check Valve,Check Valve, We invites both you and your company to prosper together with us and share a brilliant long run in worldwide market place.
Double Door Check Valve, We've got 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export solutions to other countries. We expect to cooperate with you to develop a larger market.

Hot Products

  • Cap

    Cap

    We supply Cap.The HISPEED® Cap 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.
  • Chemical Hydraulic Valve

    Chemical Hydraulic Valve

    Hispeed External Chemical Hydraulic Valve is classified as an external self-closing stop valve and is widely used on DOT407 and 412 cargo tanks. This is a robust and proven valve that satisfies the many requirements of the chemical transportation industry. The 316 stainless steel construction with optional Hastelloy® overlay and replaceable Teflon™ seat make this valve a versatile and reliable workhorse for any fleet.This valve does NOT include a sacrificial shear section;therefore, the cargo tank must have adequate accident damage protection to shield the valve as specified in 49CFR §178.345-8.The hydraulic actuator has a ¼” NPT inlet port and is specifically designed to completely isolate hydraulic fluid from cargo tank and piping. Hydraulic leaks are contained in the piston cylinder and will drain to the exterior of the valve through the indicator weep holes as an alert for repair.Two indicator pins are located on the bottom of the piston cylinder and move in relation to the disc. The pins can be used as a push point to manually jack open the valve.
  • Single Orifice Air Relief Valve

    Single Orifice Air Relief Valve

    We supply Single Orifice Air Relief Valve.The HISPEED® air vacuum valves are designed to discharge air during the filling or charging of the system and to admit air into the system during system drainage, valve or pump shut-off or at water column separation. We also offer a range of air release valves and combination air valves combining the functions of an air release valve and an air vacuum valve. The HISPEED® air vacuum valves are designed for installation in the water supply connection to sprinkler, deluge, foam systems, or standpipe fire protection systems.The HISPEED® air vacuum valve features a flange, easy installation and accessibility. We are expecting to become your long term partner in China.
  • 300PSI Non-Rising Stem Resilient-Seated Gate Valve

    300PSI Non-Rising Stem Resilient-Seated Gate Valve

    As the professional manufacture, we would like to provide you high quality Hispeed® 300PSI Non-Rising Stem Resilient-Seated Gate Valve. And we will offer you the best after-sale service and timely delivery. 300PSI Non-Rising Stem Resilient-Seated Gate Valve.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 Class 125 flange, flat face end connection for easy installation and accessibility. We are expecting to become your long term partner in China.
  • Cast Iron Y-Strainer

    Cast Iron Y-Strainer

    As the professional manufacture, we would like to provide you Hispeed® Cast Iron Y-Strainer. We supply Cast Iron Y-Strainer.The HISPEED® Cast Iron Y-Strainers may be used in commercial and industrial applications, including water supply, waste water, gas supply, fire protection, HVAC and irrigation.Choose HISPEED® Cast Iron Y-Strainers 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.
  • Butterfly Valve(Grooved)

    Butterfly Valve(Grooved)

    High quality Hispeed® Butterfly Valve(Grooved) is offered by China manufacturer Hispeed. We supply Butterfly Valve(Grooved).The butterfly valves are indicating type valves designed for use in fire protection systems where a visual indication of open valve condition is required. They are used, for example, as system, sectional and pump water control valves.The butterfly 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.

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