Double Sealed Automatic Control Valve
Nominal diameter: DN200 ~ DN3000
Nominal pressure: PN2.5 ~ PN40
Applicable medium: water, sea water, sediment water, oil and so on
Medium temperature: ≤425 ℃
Opening time: 20 ~ 90 seconds (adjustable)
Fast off time: 2.5 ~ 20 seconds (adjustable)
Slow off time: 6 ~ 90 seconds (adjustable)
Fast closing angle: 70 ° ± 10 °
Slow off angle: 20 ° ± 10 °
Fully open state minimum flow resistance coefficient: 0.3
Control system Optional media: 1, pipeline media 2, tap water
Electromagnet optional control voltage: AC220V, DC24V
Status signal: passive switch signal, 4 ~ 20mA analog signal
Brief Introduction
Double sealed automatic control valve is in the multi-function hydraulic control valve and many other excellent performance on the basis of the valve.
It is an electric butterfly valve with check valve function, and through the fast closing and slow closing action to eliminate water hammer hazards, protection of water pump and pipe network system security, widely used in electricity, metallurgy, urban construction, water supply and drainage Such as automatic pumping station system.
- three eccentric structure
- reducing the friction torque
- anti-sediment and pressure automatic compensation effect.
- Slow closing device and valve plate linkage opening and closing, automatic fast closing
- installed valve position transmitter, send 4 ~ 20mA analog valve position signal to the remote control room, to achieve remote monitoring.
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 .
Valve accessories are also play an important role in our industry.
Advantages
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.
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.
Our 24/7 assistance, customized to any site or remote needs, ensures every client get our satisfactory response.
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.
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.
Our service engineer will train the clients’ operator step by step according to the product manual procedures and maintenance steps etc.
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
In order to shorten the communication time ,here attached a company catalog file . You can check our factory information, production lines etc
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.
yes, we offer OEM/ODM service, we support the customized logo, size, package, etc.
We offer 18 months warranty service for factory delivery date by free, and we also supply the valve wearable parts.
Yes, we can share some reference list and project photos after request.
Of course, we offer the inspection test plan and test report after testing before delivery.
- 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