Double Door DI Check Valve Manufacturers

We supply Extended Coverage Sprinklers.The HISPEED® Extended Coverage Sprinklers are designed to protect larger areas than specified by installation rules for standard spray sprinklers. The HISPEED® Extended Coverage Sprinklers are approved to protect light, ordinary, and extra hazard occupancies, and are available in a wide variety of finishes, temperatures, and styles. The HISPEED® Extended Coverage Sprinklers may reduce both material and installation costs by reducing the number of sprinklers, branch lines, fittings, and installation time. We are expecting to become your long term partner in China.

We supply Double 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.

You can rest assured to buy Hispeed® 300PSI Rising Stem Resilient-Seated Gate Valve from our factory and we will offer you the best after-sale service and timely delivery. We supply 300PSI 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. Outside screw and yoke gate valves are recommended when positive shutoff and a quick visual indicator of open/closed position is required. This valve features a pre-grooved stem for tamper switch mounting. It is listed by Underwriters Laboratories of the FM Approved.We are expecting to become your long term partner in China.

We supply Roll Grooving Machines(Auto Operated).The HISPEED® Roll Grooving Machines(Auto Operated) are designed to groove pipe ends. They are powered by gear reducing motor featuring integral hydraulic pump structure and groove depth limitation device, so to ensure high quality grooves. We provides auto operated roll grooving machine in perfect quality..We are expecting to become your long term partner in China.

We supply Quick Response Upright And Pendent Sprinklers.The HISPEED® Quick Response Upright And Pendent Sprinklers are built with the designer and installer in mind, helping you protect lives and preserve property in even the most challenging situations. The HISPEED® Quick Response Upright And Pendent Sprinklers are ideal for protecting light and ordinary hazard applications such as office buildings, hotels, schools, and restaurants to control the spread of fire.The HISPEED® quick response sprinklers are available in a variety of finishes and temperatures, employing either a rugged fusible link or a frangible glass bulb operating element. We are expecting to become your long term partner in China.

We supply Storage Sprinklers.The HISPEED® Storage Sprinklers are designed to protect the storage of raw materials and components, commodities, or finished goods according to defined commodity classes and the configuration of the storage facility. The HISPEED® Storage Sprinklers are built to protect even the most challenging properties while providing opportunities for savings in design, installation, and building operations. For building owners, this means we can allow you to increase racking flexibility, achieve faster installation times, and install fewer sprinklers. We are expecting to become your long term partner in China.