We have a complete range of Pneumatic Angle Seat Valve, API 6D Ball Valves, Forged Trunnion Mounted Ball Valve with high technology, the best quality and timely and thoughtful after-sales work. After years of hard work, we have accumulated a lot of experience and improved the production process. We believe that with the continuous improvement of company management, we can provide customers with better products and more satisfactory services. In the process of long-term cooperation with customers, our company adheres to the marketing concept of 'quality first, integrity first', insists on constantly improving product functions, continuously improving after-sales service quality, and reducing costs for customers, thus gaining a high reputation from customers all over the world.

Description & Features

The dual plate wafer check valves has two spring loaded half-moon shaped discs that rotate about their shaft. The disc plates are kept shut by the torsion spring. When fluid flows in the forwards direction, the pressure of the fluid causes the disc plates to hinge open, allowing flow. Dual plate check valve is closed by the spring as soon as flow ceases, before any reverse flow can occur.

● Light weight, versatile design, 80 to 90% lighter than conventional full-body check valves.

● Reduces pipe supports, simplifies piping, easier, less costly installation.

● Reduced thermal and seismic considerations.

● No need for additional expensive support.

● Optimum space utilization; simplified piping.

● Spring-loaded, double door design has low cracking pressure.

● Discs open 85° to ensure positive closing.

● Materials and trims available for all services within temperature range.

Specifications

Size Range	Body Material
2"-8" DN50-DN200	WCB, CF8, CF8M, CF3, CF3M
Pressure Rating	Disc Material
Class150-Class2500 PN16-PN200	WCB, CF8, CF8M, CF3, CF3M
End Connection	Seat Material
Wafer Type	F6a, STL6, 304,316, Hastelloy, Monel, etc.
Structure Style	Stem Material
Full Port, Dual Plate	2Cr13, 304, 304L, CF8M, CF3M
Actuator Options	Design Standard
/	API594, API 6D, ASME B16.34, DIN3356, JB/T8937
Temperature Range	Face to Face Standard
-29℃~425℃	API 594, API 6D, DIN3202, JB/T8937
Connection Standard	Test Standard
Flange Drilling: ASME B 16.5/ASME 16.47, DIN2543-2545, JB/T9112~24	API598, ISO5208, DIN3230, JB/T9092

Brand	DAGO or OEM
Test	100% quantity tested before delivery
Guarantee	12 months from date of shipment or Negotiable
MOQ	1 Set
Sample	Available
Color	Customer required or manufacturer default
Packing	Plastic bag wrapped inside, seaworthy wooden case outside
Certificate	API6D, CE, TUV, ISO9001, ISO14001, ISO45001, Mill Test Certificate
Country of Origin	Zhejiang, China
HS Code	848180 (universal), 8481804090 (China)
Port	Shanghai or Ningbo
Payment Terms	T/T, L/C, Western Union

Our personnel are generally within the spirit of 'continuous improvement and excellence', and using the excellent top quality goods, favorable rate and superior after-sales expert services, we try to win every customer's believe in for Butterfly Type Stop Check Valve Wafer 316/304 Strainless Steel Ss/Cast Iron Disc Dual Plate. We understand that the essence of business lies in user experience and we are committed to integrating humanized products, humanized services and business philosophy close to the new era of Internet. We look forward to supplying you with our products in the near future, and you will find our quotation is very reasonable and the quality of our products is very excellent!

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