Slight Resistance and Slow Closing Check Valve

• Media: Water
• Temperature: Ordinary Temperature
• Material: Cast Iron
• Connection Form: Flange
• Structure: Swing
• Pressure: Ordinary Pressure
• Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
• Sealing Form: Gland Packings Globe Valve
• Flow Direction: Bidirectional
• Standard: GB
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Transport Package: Wooden Case
• Specification: PN16-PN64, DN20-DN450
• Trademark: HUIZHENG
• Origin: China
• HS Code: 8481804090
• Production Capacity: 5000000sets/Year

Product Description

Slight resistance and slow closing check valve

The valve is mainly composed of valve body, bonnet,disc,valve shaft and control valves, which is installed at the outlet of the pump to prevent medium flow back and eliminate the destructive water hammer, and can effectively reduce the water hammer pressure during the valve is opening, to guarantee the safely operation in the pipeline. The valve has advantages of light disc,large opening,notable powering saving, small flow resistance,new style of water hammer removal, stable and reliable sealing performance,high wear-resistance,long working life, reliable operation,no vibration and noise etc.

 Product Structure  
 The valve is mainly composed of main valve,needle valve, ball valve and micro filter etc, as shown in the following picture:


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