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: Commonly used in chemical plants, steam systems, and industrial pipelines
Face to Face: DIN3202 K3 - ISO 5752
Temperature Range: -10°C to +200°C
Trademark: DS
Specification: Complies with CE and ISO 9001 Quality Standards
Origin: Laizhou, Yantai City, Shandong Province, China
HS Code: 8481804090 Swing Double Petal Check Valve
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, seawater, wastewater, food-grade liquids, steam, various oils, acids, and alkalis.


Main Features:
The DONGSHENG Dual Flap Wafer Check Valve is designed for minimal flow restriction, ensuring smooth and efficient operation. It features two spring-loaded half-discs that open with the flow and close against a rubber seat, providing a secure shut-off against backflow. The resilient seating prevents slamming and ensures long-lasting performance.

This valve offers flexibility, cost-effectiveness, and easy installation due to its lightweight design and compact face-to-face dimension compared to traditional swing check valves. It is available in various flange standards such as DIN, ANSI, JIS, and BS, making it suitable for international applications.


Typical Applications:
Heating and air conditioning systems
High-frequency piping lines
Fire protection systems
Ship pipelines
Steel and mining industries
Oil and gas sectors
Woodworking, pulp, and paper industry
Textile manufacturing
Water and condensate lines

Applicable Fluids:
Water, hot water, seawater, air, and weak acids.

Material List:
No. Part 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
Factory Show
Dual Plate Wafer Butterfly-Type Check Valve
Product Package
Dual Plate Wafer Butterfly-Type Check Valve
Dual Plate Wafer Butterfly-Type Check Valve

Fine Adjustment Outer Circle Finishing Boring Head

Fine Adjustment Outer Circle Finishing Boring Head

cmt333 325 boring head,d andrea boring tools,d andrea ta 120 boring head,fine boring,homemade boring head,indexable boring bars for boring head

SICHUAN JOJO TOOLS CO., LTD , https://www.jojo-tools.com