High-Quality High - Performance Dual Plate Wafer Check Valve for High - Flow Pipeline Systems Manufacturer, Factory
High-Quality High - Performance Dual Plate Wafer Check Valve for High - Flow Pipeline Systems Manufacturer, Factory
High-Quality High - Performance Dual Plate Wafer Check Valve for High - Flow Pipeline Systems Manufacturer, Factory
High-Quality High - Performance Dual Plate Wafer Check Valve for High - Flow Pipeline Systems Manufacturer, Factory
High-Quality High - Performance Dual Plate Wafer Check Valve for High - Flow Pipeline Systems Manufacturer, Factory
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High-Quality High - Performance Dual Plate Wafer Check Valve for High - Flow Pipeline Systems Manufacturer, Factory
High-Quality High - Performance Dual Plate Wafer Check Valve for High - Flow Pipeline Systems Manufacturer, Factory
High-Quality High - Performance Dual Plate Wafer Check Valve for High - Flow Pipeline Systems Manufacturer, Factory
High-Quality High - Performance Dual Plate Wafer Check Valve for High - Flow Pipeline Systems Manufacturer, Factory
High-Quality High - Performance Dual Plate Wafer Check Valve for High - Flow Pipeline Systems Manufacturer, Factory

High-Quality High - Performance Dual Plate Wafer Check Valve for High - Flow Pipeline Systems Manufacturer, Factory

1.Small size, light weight, compact structure and easy maintenance
2.The valve plate adopts dual type, which can close quickly by itself under the elastic torque of the spring.
3.Due to the quick closing effect, it can prevent the medium from flowing back and eliminate the water hammer effect
4.The valve body has a small length, good rigidity, and is safe and reliable.
5.Completely sealed, zero leakage in water pressure test
6.Easy to install, can be installed in both horizontal and vertical directions.

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Product Description

⚙ Product Performance Specification
Nominal Diameter Nominal Pressure Shell Test Pressure Seal Applicable Media Applicable Temperature
40-700 (1.5”~28”) 1.0 MPa 1.5 MPa 1.1 MPa Fresh water, sewage, sea water, air, steam, food, medicine, acids, various oils -15 ~ 150℃
50-750 (2”~30”) 150 PSI 225 PSI 165 PSI
50-300 (2”~12”) 200 PSI 300 PSI 220 PSI
50-300 (2”~20”) 150 PSI 225 PSI 165 PSI
50-300 (2”~12”) 200 PSI 300 PSI 220 PSI
📋 Main Component Materials
No. Components Material
1 Valve body Gray cast iron, ductile iron, WCB, CF8, CF8M, aluminum bronze
2 Valve seat NBR, EPDM, FKM Ductile iron, rubber lined
3 Valve plate Ductile iron, Aluminum Bronze, CF8, CF8M
4 Shaft STAINLESS STEEL 304/316
5 Spring 304
Main Sizes and Connection Sizes
DN NPS D D1 D2 L R t
401 1/2”915735432619
502”10765464329.719
652 1/2”12778604636.120
803”14294666443.428
1004”162117976455.727
1255”1921451227068.230
1506”2181701457678.631
2008”27322419889104.433
25010”328265236114128.150
30012”378310284114148.343
35014”438360333127172.545
40016”489410381140197.452
45018”539450420152217.858
50020”594505474152243.858
60024”700624.8577178297.473
70028”820720.867022934998
📦 Packaging
Packaging method 1
Packaging method 2
Packaging method 3
Packaging method 4
❓ Frequently Asked Questions (FAQ)
What media are suitable for these valves?
These valves are designed to handle fresh water, sewage, sea water, air, steam, food, medicine, acids, and various industrial oils.
What is the operating temperature range?
The standard applicable working temperature ranges between -15°C and 150°C, depending on the body and seat material combination selected.
What seat materials are available?
Seat materials include NBR, EPDM, FKM, as well as ductile iron with rubber lining options to suit different chemical compatibilities.
What pressure ratings can these valves handle?
The valves are rated for nominal pressures of 1.0 MPa, 150 PSI, and 200 PSI, with shell test ratings going up to 1.5 MPa or 300 PSI.
What sizes are available in this valve series?
The series covers nominal diameters from DN40 (1.5”) up to DN700 (28”) across various configuration dimensions.

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