Flange double disc check valve, also known as a double plate check valve, is used in pipelines for pure media, as well as in industrial, environmental protection, water treatment, and high-rise building water supply and drainage systems to prevent reverse flow. The check valve features a wafer design with two semicircular butterfly plates and uses a spring for reset. The sealing surface can be welded with wear-resistant materials or lined with rubber. It offers a wide range of applications and reliable sealing.
Proudct Specification
Size: 2" to 80",DN50-DN2000
Class: 150LB to 2500LB,PN16-PN420
Type: Double disc,double flanged type
Material: C95800, WCB, WCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, CN7M, LCB, LCC, DUPLEX SS, C95800,C95500,C63200,MONEL, ALLOY 20 etc
surge pressure: water hammer pressure is very small, the disc stroke is short, and auxiliary spring open and close;
Flow resistance: the valve flow resistance is small, flow resistance coefficient is 2.6-0.7, the larger the diameter, the smaller the flow resistance;
High temperature: 450 ºC.
Use fixed number of year: top 10 years;
Applicable medium: water, steam, oil, chemical fluid, composite fluid, etc.
double flange check valve
FAQ
1. Are you a factory or a trading company?
We are a Chinese valve manufacturer with our factory located in Tianjin.
2. Can you customize the product?
Yes, we have a professional R&D team that can provide customized products for customers.
3. Do you have a minimum order quantity for your products?
It depends on the size; usually, it is 20 pieces.
4. Can you print our logo on the valve?
Yes, we have handled many OEM cases for customers!
5. How long is your delivery time?
Usually, it is about 30 days. If we have stock, it will take about 15 days.
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