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PN Nominal Pressure: 1.6 MPa
Sealing Test Pressure: 1.76 MPa
Strength Test Pressure: 2.4 MPa
Suitable Temperature: -20°C to 135°C
Medium: Fresh water, Sea water, Wastewater, Food grade liquids, Steam, Oils, Acids, and Alkalis
Main Features:
The DONGSHENG Dual Flap Wafer Check Valve is designed for minimal flow restriction and efficient operation. It features two spring-loaded half-discs that open with the flow and close against a rubber seat, ensuring a tight shut-off and preventing backflow. The resilient seating minimizes slamming and improves durability.
This valve is lightweight, easy to install, and has a compact face-to-face dimension compared to traditional swing check valves. It offers flexibility and cost-effectiveness for various piping systems.
Available in international flange standards such as DIN, ANSI, JIS, and BS, this check valve is ideal for a wide range of industrial applications.
Typical Applications:
Heating and air conditioning pipelines
High-frequency lines
Fire protection systems
Vessel pipelines
Steel and mineral industries
Oil and gas sectors
Woodworking, pulp, and paper industry
Textile manufacturing
Water and condensate lines
Applicable Fluids:
Water, warm water, seawater, air, and weak acids
Material List
NO.
Parts
MATERIAL
1
Body
Cast Iron GG25 / Stainless Steel
2
Disc
AISI 316 / Chrome Coated GGG40
3
Resilient Seat
EPDM
4
Hinge Pin
AISI 316
5
Spring
AISI 304
6
Retainer Screw
Carbon Steel
7
Disc Bearing
Teflon
Product Package
Model No.: DSCV-109
Flow Direction: Unidirectional
Standard: BSW
Application: Industrial, Water Treatment, and Household Use
Size Range: 1.5 Inch to 24 Inch (DN40 - DN600)
Applications: Used in Industrial Chemical Plants, Steam Systems, and More
Face to Face: DIN3202 K3 - ISO 5752
Temperature Range: -10°C to +200°C
Trademark: DS
Specification: Quality Grade: CE and ISO 9001 Certified
Origin: Laizhou, Yantai City, Shandong Province, China
HS Code: 8481804090
Swing Double Petal Check Valve