Double Disc Flap Wafer Dual Check Valve

Double Disc Flap Wafer Dual Check Valve

Butterfly valve, lever (gear) operator, resilient seated, centerline design
Design to comply with MSS SP-67, BS5155 and API 609
Compatible with ANSI, DIN, BS, JIS flanges
Size range: 1-1/2" to 48" DN40-DN1200
handles (1-1/2inches to 12 inches), manual gear operators (1-1/2inches to 48 inches)
Pressure: PN0.6 to PN1.6MPa PN2.5 MPa
Temperature ratings: -35 to 135°C
Viton Seat with High Temperautre to 400°C
Connection: wafer type, lug type, u-section Flanged type

About Sample

Q : Can I get free samples?

A: Yes, we can provide you the free sample, but you have to bear the delivery costs.

About Package

Q: Can I change your package Way?
A: Yes, we can make the form of the package and transportation according to your request, but if any additional charge occurs, you have to pay for it.

About Customer Logo

Q:  Can I have my own logo on the product?
A: Yes, you can send your logo design to us and send us the authority letter. Then we can cast the logo on body.

About Customer Design

Q: Can you produce the products according to my own drawings?
A: Yes, we have the casting workshop and a design team, we can open the mould as per your drawing.

About Quality Control and Guarantee Time

We make the test piece by piece 100% during the production and our engineer will make the spot check of 10% before shipment. Guarantee time is 18 months since shipment date.

Are you a manufacturer or Trading Company?

We are valve manufacturer and also we have our own casting workshop, which reduces our cost much and improves our new model design time.

We set up the International Trade Department Deye Piping System in down town to attract talents. You will benefit from our strong production and good sales team.

About Complaint

If anything wrong about your order, welcome to make the phone call or email to make the complaint. Our Manager Phone No.: 0086 13292824811. We will solve your problem within one day.  

DEYE PIPING SYSTEM (SJZ)CO., LTD
TEL: +86 311 85335191
FEX: +86 311 85335190
MOB: +86 13292824811
EMAIL: deyepiping at
EXPORTING MANAGER: Maria Lee
WEBSITE: