Name: Micro resistance slowly-closing non return valve
Brand: FREE-VALVE
Availability: InStock

Product Details

FREE-VALVE’s micro resistance slowly-closing non return valve is also known as micro-resistance slow-closing check valve. Its role is to prevent the medium backflow in the pipeline.It is mainly used in water purification, source water, sewage, seawater and other media supply and drainage pipelines, installed in the pump outlet, to cut off the backflow of the medium to eliminate the automic energy damage of the water hammer, to protect the safe operation of the pipeline and water pump.

Features

1.Butterfly type body is small, light weight, structure length is only about 1/3 of swing check valve.

2. The slow-closing system has excellent performance and is not affected by the medium in the pipeline. The valve disc closes first and then slowly closes to prevent the ring-breaking water hammer.

3. Rubber soft seal, good sealing performance.

4.As there are spring to help valve closing at the valve disc ,it can be opened and closed smoothly ,with out any vibration and noise.

5.Less resistance than the lift check valve, which has little flow resistance and obvious energy saving effect.

Technical Specification:

Size: DN50~DN1800
Pressure: PN1.6~PN2.5
Working temperature: 0~80ºC
Body materials: Cast iron, carbon steel
Sealing material: Rubber
Connection method: Flange, welding, wafer
Closing time :60s

Application:

You will find FREE-VALVE’s micro resistance slowly-closing non return valves in Water supply, water drainage, fire-fighting and HVAC systems.