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  • Hydraulic-counterweight-flanged-butterfly-valve
  • Hydraulic-counterweight-flanged-butterfly-valve

Flanged High Performance Hydraulic Counterweight Butterfly Valve

Nominal Diameter: DN150~DN3500
Nominal Pressure: PN6~PN40
Suitable Medium: Water, sea water, Sediment water, Oil and so on
Medium temperature: <<80° C
Opening valve time: 10~120 seconds( adjust)
Quick closing time: 1.5~30 seconds(adjust)
Slow closing time: 6~120 seconds(adjust)
Fast close angle: 70° ± 10°
Slow close angle: 20° ± 10°
Open state minimum flow resistance coefficient: 0.1
Optional control power: AC220V, DC220V, DC110V, DC24V

Brief Introduction

The hydraulic control butterfly valve is the most advanced pipeline control equipment at home and abroad, mainly installed in the hydro power station turbine outlet, used as a turbine inlet valve; or installed in water conservancy, electricity, water supply and drainage and other pump station pump outlet.

The valve and the pipeline work with the host, in accordance with the principle of hydraulic transition process, through the default opening and closing procedures and the effective elimination of pipeline water hammer, to achieve reliable pipeline cut off and play a protective pipeline system security role.

  •  Valve body
  •  Transmission (integrated with valve body)
  •  Hydraulic station (installed separately from valve)
  •  Electrical control box (with the hydraulic station as a whole installation)

When ordering, please specify the product name, model, specifications, maximum and minimum working pressure, medium, temperature, installation type (suits or anti-install, horizontal installation or vertical installation) and other electro-hydraulic control requirements, so that we provide a satisfactory product that meets your needs.

DN1400 Valves

Supply Range

The Scope of Work covers the detailed requirements for the Design, Manufacture , QA, QC, Shop Assembly and Shop Testing, Painting, Packing, Transportation .

On the other side, the enduser or the contractor will pick up the goods at the destination port, delivery at site, storage and preservation, installation, erection, testing and commissioning of the valves .

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Advantages

Energy Efficiency
Long Lifespan
Environmental Friendly
Wearable Parts Replace
Price Competitive
Aftersale Service at site
Quality Control
30 years manufacturing experience

Aftersale Service

For decades, based on our extensive know-how and continuous innovation of products and solutions, we are driven to fulfill this commitment to all our current and future customers.

12 months guaranteed

Our Quality Control Engineers strictly monitor the production at every stage, to ensure a consistently high level of quality, we offer 12 months quality gurantee for each project.

7/24 on call for remote support

Our 24/7 assistance, customized to any site or remote needs, ensures every client get our satisfactory response.

Installation and Commission

Installation supervision involves the mechanical and electrical setup of the valve. Commissioning focuses on system integration and testing. We can also provide paid services when necessary.

Trouble shooting

Troubleshooting is a form of problem solving,  kindly pls offer the photos, videos and the operation steps to us, our service department will check and give support asap.

Training in factory /on site

Our service engineer will train the clients’ operator step by step according to the product manual procedures and maintenance steps etc.

Spare & wear parts supply

We guarantee to supply high-​quality and reliable original parts asap by international courier or by air.

Company Video

Welcome to Zhengzhou Pump Valve Co., we are one of the leading manufacturer and solution provider in industrial valves  in thermal /hydro power plants, dams ,oil & gas, metallurgy, petrochemical, desulfurization ,water treatment industries etc.

Please watch our company video to have a general idea.

ZZPV office logo for video image

Resource

zzpv catalog
Catalog

In order to shorten the communication time ,here attached a company catalog file . You can check our factory information, production lines etc

quality control presentation
Ebook for QC

This is our company’s quality assurance and control process, which confirms that our products are traceable, product quality is controllable, and customer service is satisfactory.

certificate list
Certificates

Here are the main certificates of our company.

HPU workshop

Project References

For more Project References, kindly please check our news.

Zhengzhou Pump Valve is top 10 leading manufacturer and solution provider of industrial valves in China founded in 1995, mainly used in power plants, dams ,oil & gas, metallurgy, petrochemical, water treatment etc.

The company boasts a production area of over 30,000 square meters, equipped with advanced facilities, including large CNC vertical lathes and supporting equipment for external processing.

For more information, kindly pls contact us for details.

Can we use our brand or logo on your products?

yes, we offer OEM/ODM service, we support the customized logo, size, package, etc.

How long is your warranty period?

We offer 18 months warranty service for factory delivery date by free, and we also supply the valve wearable parts.

Do you have any reference list?

Yes, we can share some reference list and project photos after request.

Do you offer Inspection test plan and inspectiontest records?

Of course, we offer the inspection test plan and test report after testing before delivery.

What’s your common payment terms?
  • 30% T/T down payment and 70% T/T balance payment after positive test and before delivery.
  • 100% irrevocable L/C at sight,
  • Others for negotiation
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