Stainless Steel Dual Plate Check Valve

Face to Face: API609, BS5155, DIN3202, 1S05752

Flange: DIN, BS, UNI.ISO, ANSI, AS, JIS

Mounting Flange: 1S05211

Working Pressure: PN16(200PSI)

Appliaction: HVAC, Water Supply&Sewage, Food&Beverage, Chemicalpetrochemical’processing. Power and Uilities, Paperand Pulp, Ship Building.

Product Description

Description

Stainless Steel Dual Plate Check Valve is a high-performance backflow prevention solution ideal for corrosive or demanding flow systems. Built with two spring-loaded plates, the valve opens with forward flow and closes rapidly upon reversal, ensuring system safety and minimizing water hammer.

This stainless steel dual plate check valve features a wafer-type body for compact installation between flanges. Its corrosion-resistant stainless steel construction makes it suitable for chemical processing, marine pipelines, and water treatment systems where durability is critical.

The dual plate design results in a lower pressure drop compared to traditional swing check valves, contributing to overall energy efficiency. The valve supports both horizontal and vertical upward flow installations and complies with API 594 and EN 12334 standards.

Its lightweight structure allows for easy handling and quick installation, especially in tight spaces. Available in multiple sizes and pressure classes, the stainless steel dual plate check valve is tested for tight shutoff and long-term reliability.

Choose this valve for environments requiring corrosion resistance, minimal maintenance, and consistent flow control without compromise.

Specifications:

Nominal pressue (MPa)		1.0	1.6
Nominal diameter(mm)		50-1000	50-1000
Test pressure	Shell	1.5	2.4
(MPa)	Seal	1.1	1.76
Applicable temperature		150
Applicable medium		Fresh water, Sewage, Sea water, Air, Vapor, Food, Medicine, Oils, Acids, Alkalis, etc.
Operating mode		manual, worm gear, pneumatic, electric, etc.

Standards:

Design & Manufacture	Flange Connection	Face to Face Dimension	Test & Inspection
API 594	DIN PN10/16/25	API594	API 598

Material:

body	Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Plate	Ductile Iron, Carbon Steel, Stainless Steel
Spring	Stainless Steel
Hinge Pin	Stainless Steel
Plug	carbon steel
Body Bearing	PTFE
Spring Bearing	PTFE
Stop Pin	Stainless Steel
Eye Bolt	Carbon Steel
Body Seat	NBR, EPDM, Viton, Neoprene

Tianjin Guoji Valve Co., Ltd. is an export-oriented valve manufacturer with 15,332 square meter factory area, which has strong capability of R&D, Manufacture, Trading and Service. Now our company has passed the Lloyd's Register (LR) ISO9001: 2015 quality management system certification (ISO Approval number: ISO 9001 – 00033059) and CE/PED certification (EU Certificate Of Conformity). (Certificate No: 0343/PED/SHA/BJG00001668/A).
TGV's products covered Butterfly valves, Check valves, Strainers, Gate valves, Ball valves, Globe valves, Expansion joints, Flanges and Fittings with pressure range from 0.5 to 6.4 MPa, size from DN15 to DN3000. The products also have been widely exported to more than 30 countries and regions.
We aim at deliver only quality valves with professional services, we see quality and service as life and always take our reputation and promises seriously.