Each of our Bellow Seal Gate Valve, Forged Trunnion Mounted Ball Valve, Weir Type Diaphragm Valve is produced in a fine manner and inspected in strict accordance with quality standards to ensure that our customers get the best finished one. Backed by reasonable profits, our company constantly improves the quality of employees and provides innovative services to promote the sustainable development of the enterprise. We strive to make our customers admire our quality and service, enhance brand competitiveness, improve product sales and service, and add value to our customers' brand. Looking forward to the future, we will continue to work hard to build an excellent company that is satisfied with customers, proud of employees, and trusted by the public.

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 Bh Series Dual Plate Wafer Butterfly Check Valve and services are known for their reliability, innovation and efficiency, and have been widely praised by our customers. We will always take "Customer Satisfaction" as our tenet, strive for excellence, keep pace with the times, keep up with the times, and serve our customers sincerely. For the development of emerging industries, we integrated research and development of a number of core key technologies.

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