Through continuous innovation and change, we are unanimously recognized and trusted by many customers at home and abroad. If you need Fisher Pressure Control Valve, Water Safety Valve, Double Flanged Butterfly Valve, please contact us in time, we will do our best to help you! Our company has a high degree of modernization. In our production workshop, people and machines work together. Guided by our development strategy, our company is moving towards the goal of being a world-class enterprise. Our company will centralize the management of scattered business and assets, give full play to the synergy effect and further carry out cooperation and innovation in technology, capital and service.

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 continuous learning and introduction of superior technology helps to improve the quality of our Cnbm Cast Gg25 / Ductile Iron Ggg50 Flange End Swing / Ball / Wafer / Lift / Rubber Seated / Silent / Dual Plate Type Non Returen Check Valve. High quality, punctual delivery, competitive price, attentive services are our goals for customers. We are a company never satisfied with what we had achieved, but always looking for ways of doing better. We are committed to providing customers with professional, personalized, all-weather, all-round service.

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