Pressure maintenance valves ASV Stubbe DHV712,DHV712-R,DHV718, etc.

Pressure maintenance valves, type DHV712-R. Pressure maintenance valves are used to keep the operating pressure and pressure in the installation unchanged, to prevent pressure pulsations or to protect the pipeline from peak pressures. The patented pressure maintenance valve DHV 712-R has a high-quality spring system and can operate in the pressure range from 0.3 - 10.0 bar. If the pressure on the intake side reaches this value, the valve opens. Thanks to the presence of a special piston, the DHV 712-R guarantees 100% absence of back pressure and simultaneously acts as a check valve. In the overcurrent mode, in combination with oscillating metering pumps, the DHV 712-R valve has excellent adjustment and vibration reduction indicators.

• DHV 712 R. Technical specifications.

Pressure maintenance valves, type DHV712. This valve has the same piston back pressure prevention system as the 712-R. It is designed for pipes of large diameters and is used in various pressure ranges. Like all pressure maintenance valves from ASV Stubbe, this valve can be precisely adjusted at full operating pressure. Thanks to the high-quality PTFE coating of the membrane, the valve finds application in working with a wide range of aggressive media. The special design of the piston allows the DHV 712 valve to maintain a constant operating pressure also in back-pressure systems.

• DHV 712. Technical specifications.

Pressure maintenance valves, type DHV718. The diaphragm-operated DHV 718 valve is a reliable and easy-to-install valve that is also available in very small sizes. Like all other pressure maintaining valves from ASV Stubbe, this valve is equipped with a high-quality PTFE coated membrane. Since the valve is sealed only by a membrane, it can also be used in working with liquids containing a small amount of solids.

• DHV 718. Technical specifications.

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