Counterweight Hydraulic Check Valve

NSV Counterweight Hydraulic Check Valve

This Counterweight Hydraulic Check Valve is designed for large diameter high pressure pipelines requiring silent non-slam closure. It uses a counterbalanced lever and weight system combined with an oil-filled hydraulic dashpot to control disc closing speed and eliminate water hammer.

Key Features

Large Bore Size Suitable for main headers, pump discharge, and turbine inlet lines

Class 600 Pressure Rating Robust design for high pressure steam, water, or hydrocarbon service

Hydraulic Damping System Adjustable oil damper ensures smooth, controlled closure without impact

Lever and Weight Mechanism Reliable, spring-free operation with visual position indication

Cast Steel Body Options WCB standard; LCB for low temperature; WC9 for high temperature; CF8M for corrosion resistance

Commonly used in power plant feedwater systems, refinery crude lines, and pipeline pump stations where reverse flow protection and surge control are critical.

FAQ

1. Q:How can I get a quote?

A: If you request quote by preparing the product spec you want to request specifically through "Contact us or Feedback" of homepage, we will send reply to you ASAP. If the contents of homepage are not available, you can inquire to us via phone(86-577-67378616) or fax(86-577-67372367).

2.Q:Is there have MOQ?

A：No.we can accept 1set,but there have additional cost $150.00(process of export) if the order value within $2000.00.

3. Q:How can I get your company catalog?

A: For your reference, basic catalogue is same as "Download>E-Catalog" of homepage. If you need printed material or request more specific data like PQ material, please contact sales team.

4.Q: What's the brand of your company can supply ?

A:NSV or OEM service.

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