Double sealed automatic control valve combines electric valve, electric butterfly valve, and a check valve function, and through quick shut off gentle movements to eliminate water hammer hazards, protect the safety of the pump and pipe network system, widely used in electricity, metallurgy, construction, water supply and drainage pumping stations and other automated systems.
Double sealed auto control valve
Nominal diameter : DN200 ~ DN3000
Nominal pressure : PN2.5 ~ PN40
Suitable medium : water, sea water , sediment water, oil , etc.
Medium temperature : ≤425 ℃
Valve open time : 20 to 90 seconds ( adjustable)
Fast off time : 2.5 to 20 seconds (adjustable )
Slow closing time: 6 to 90 seconds ( adjustable)
Fast off angle : 70 ° ± 10 °
Slow off angle : 20 ° ± 10 °
Full state minimum flow resistance coefficient : 0.3
Optional media control system : 1 , pipeline medium 2 , water
Optional solenoid control voltage : AC220V, DC24V
Status signal: passive switch signal , 4 ~ 20mA analog signal
Brief Introduction
FEATURES
◆three eccentric structure
◆ inclined to 75 degrees
◆reducing the shut valve stroke
◆ shortening the distance ring slip
◆reducing the friction torque
◆ anti-sediment
◆ pressure automatic compensation effect
◆ simple operation and maintenance
The key parts are made of stainless steel, copper alloys and other high-quality materials.
It can also be installed valve position transmitter, sends 4 ~ 20mA analog valve position signal to a remote control room, remote monitoring.
| Part | C | I | P | R |
| Body | WCB,Q235,Q345 | ZG1Cr5Mo,WC6,WC9 | CF8(304) | CF8M(316) |
| disc | WCB,Q235,Q345 | ZG1Cr5Mo,WC6,WC9 | CF8(304) | CF8M(316) |
| stem | 20Cr13 | 25Cr2Mo1V | 06Cr19Ni10 | 06Cr17Ni12Mo2 |
| Suitable temperature | -29~425 | -29~550 | -29~600 | |
Note: Other materials are available upon request.
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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Accessories for our valves
Valve accessories are also play an important role in our industry.
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.
Resource
Catalog
In order to shorten the communication time ,here attached a company catalog file . You can check our factory information, production lines etc
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.
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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