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  • quick-shut-off-valve-625x469
  • spring quick-shutoff-valve
  • quick-shut-off-valve-625x469
  • spring quick-shutoff-valve

Quick shut-off valve

  • Nominal diameter : DN150 ~ DN2800
  • Nominal pressure : PN2.5 ~ PN40
  • Suitable medium : water , steam, gas , oil, etc.
  • Medium temperature : ≤425 ℃
  • Valve open time : 10 to 90 seconds ( adjustable)
  • Normal off valve : 10 to 90 seconds ( adjustable)
  • Quick closing valve : 0.3 to 0.8 seconds
  • Full state minimum flow resistance coefficient : 0.1
  • Power supply : AC380V
  • Optional control power supply : AC220V, DC220V, DC110V, DC24V
  • Can control the action : open valve , close the valve and stop , 15 -degree swimming , fast off , adjust
  • Remote fault interlock fast off
  • Remote signal types : passive switch signal , 4 ~ 20mA analog signal

Brief Introduction

Also named 0.3s spring type/hydraulic safety quick shut-off valve, mostly used in thermal power stations.

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Conventional fast opening and closing valve installed in the main steam turbine exhaust pipe , connecting pipes and other pipeline .

Explosion quick closing valve mainly used in chemical , metallurgy , energy piping, biomass power generation have been blast furnace gas pressure generating device (TRT) and other dangerous pipeline inlet line adjustment he quickly shut off the emergency , or in the coal industry , anti- gas and other dangerous gases plant by the explosion of high- press equipment to quickly close or open .

Explosion series meets GB3836.1-2000 ” Electrical equipment for explosive gas atmospheres – Part 1 : General requirements “, GB3836.2-2000 ” Electrical equipment for explosive gas atmospheres – Part 2 : Explosion valve ” d “, and IEC79- 7, BS4683, EN50018 regulations. Ex logo Ex dIIAT4, ExdIIBT4, ExdIICT4 applicable to the presence of explosive gas mixtures in place ; the supply is unspecified Explosion levels are ExdIIBT4.

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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