At present, we have completed a comprehensive entity integrating design, manufacturing, and installation, and have gradually become an important production and construction force in the Pneumatic Control Butterfly Valve, Motorized Butterfly Valve, Pneumatic Control Valve industry. Our company is committed to market development, pursuing the corporate policy of 'quality, price, reputation, and service', and strive to be your enthusiastic and trusted partner with more perfect products and superior services. We have always follow the law of industry development and our company's own development. The implementation of our quality first concept is conducive to the sustainable development of our company and is of great significance to the realization of our overall development strategy. We are a modern enterprise integrating R&D, production, sales and technical service, striving to produce better products for various industries.

Description & Features

Wafer Type Swing Check valves is usually installed in pipeline system, prevent medium from flowing back, check valve is automatic valve that it is opened and closed by pressure of fluid. In the past, we use H74 flange coupling swing type check valves & H71 flange coupling lift type check valve. Traditional check valve's volume is big, strong resistance of fluid, Water-hammer's pressure is high when valves close, repair and installation is inconvenient, service life is not long.

● Light and Compact

● Installed in the horizontal and vertical up positions

● "Zero Leakage" Sealing Design with Soft Seated

● Positive sealing under most operating conditions

● Long-lasting service with superior performance

Specifications

Size Range	Body Material
2"-20" DN50-DN500	WCB, A105, LF2, LF3, F22, F304, F316, F304L, F316L, F51, F53, F55, F44, etc.
Pressure Rating	Disc Material
Class150-Class600 PN10-PN40	SS201, SS304, SS316, Aluminium Bronze
End Connection	Seat Material
Wafer	NBR, EPDM, VITON-A, VITON-B, hypalon, PTFE, metal to metal
Structure Style	Stem Material
Full Port	/
Actuator Options	Design Standard
/	API594, API 6D, JB/T 8937
Temperature Range	Face to Face Standard
-29℃~425℃	ANSI B16.10, API 6D, GB/T 12221, DIN 3202, EN558-1
Connection Standard	Test Standard
Flange Drilling: ANSI B16.5, ASME B16.47 A/B, EN1092-1, BS 4505, JIS2210, GB 9112~9124, HG20592~20635 etc.	API598, GB/T13927, DIN3230

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

We not only pay attention to the quality of Wafer Type Tilting Disc Swing Check Valve (H77), but also have a group of professional and technical personnel and backbones to ensure that our design and production standards are ahead of the industry. We believe that a passionate, innovative and well-trained team will be able to establish good and mutually beneficial business relationships with you soon. From the highest quality materials, technical equipment to the most complete service system, each of our links has created the best products.

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