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Cowinns Industry Equipment Co.,Ltd
No.127 Room No.748 Changjiang Road,High-Tech District,
Suzhou City, Jiangsu Province, zip:215128 China
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Dual Plate Check Valve Supplier – Reliable Solutions for Industrial Applications

COWINNS COWINNS 2025-04-23 20:26:32

Dual Plate Check Valve Supplier – Reliable Solutions for Industrial Applications


We specialize in manufacturing and supplying dual plate check valves for a wide range of industrial systems. Designed to prevent reverse flow, our valves operate automatically under media pressure and offer reliable performance across various working conditions. As a trusted dual plate check valve supplier, we serve clients globally with customized solutions that meet high standards of safety, durability, and efficiency.

Applications
Our dual plate check valves are suitable for pipelines with:

Pressure ratings: PN1.0MPa~42.0MPa / Class150~2500

Sizes: DN15D~N1200 / NPS1/2~48

Temperature range: -196°C to 540°C
With appropriate material selection, they can handle water, steam, oil, nitric acid, acetic acid, strong oxidizers, urea, and more.

Materials
We offer a wide range of materials to meet different working conditions, including:

Carbon steel, low-temperature steel

Duplex stainless steel (F51/F55), SS304/304L, SS316/316L

Titanium alloy, aluminum bronze, Inconel, Monel (400/500), Alloy 20, Hastelloy, etc.

Standards & Compliance
Our products conform to global standards:

Design & Manufacture: API 594, API 6D, JB/T8937

Face-to-Face: API 594, DIN3202, JB/T8937

Pressure/Temperature Ratings: ANSI B16.34, DIN2401, GB/T9124, HG20604

Inspection & Testing: API 598, JB/T9092

Flange Standards: ANSI, DIN, GB, HG, SH

Key Features
Compact and lightweight: 1/4 to 1/20 the weight of conventional valves

Fast closure with minimal water hammer

Suitable for horizontal and vertical installation

Smooth flow, low resistance

Sensitive action and excellent sealing

Short disc travel, low impact

Simple, durable, and aesthetically engineered design

Long service life and high reliability