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Double Disc Check Valves

Revolutionizing traditional valve design, double disc check valves offer a dual-disc mechanism, enhancing flow control and minimizing backflow risks. This innovative design significantly reduces water hammer effects. Constructed with premium materials like durable cast iron and stainless steel, they are well-suited for diverse environmental conditions. Their compact, streamlined structure allows for easy integration into space-limited systems, ensuring robust performance with minimal maintenance needs. Excelling in backflow prevention, double disc check valves are essential in contemporary fluid dynamics, known for their efficiency and dependable functionality.

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Design Advantages

Dual-Disc Mechanism: Provides efficient backflow prevention.

Material Variability: Includes options like robust cast iron and stainless steel.

Space-Saving Build: Compact design for easy integration.

Rapid Closure: Ensures swift shut-off to prevent fluid hammer.

Durability: Engineered for longevity in harsh conditions.

Low Maintenance: Designed for reliable, hassle-free operation.

Energy Efficiency: Minimizes energy consumption during use.

Technical Parameters

Size	DN15-DN1200, 1/2''-48''
Pressure	PN6-PN250, Class125-Class1500
Temperature	-200℃ to 550℃
Connection type	Flanged，Wafer，Lug，Butt Weld，Threaded
Operation mode	Self-operated

Materials

Valve Body	Forged	A105, LF2, F5, F9, F11, F22, F304, F316, F347, F904, F51, F53, F310, N08020, Inconel625, etc
Valve Body	Cast	WCB, LCB, C5, C12, WC6, WC9, CF8, CF8M, CF8C, 4A, 5A, CN7M, C95800, CW6MC, etc
Valve Disc	Forged	A105, LF2, F5, F9, F11, F22, F304, F316, F347, F904, F51, F53, F310, N08020, Inconel625, etc
Valve Disc	Cast	WCB, LCB, C5, C12, WC6, WC9, CF8, CF8M, CF8C, 4A, 5A, CN7M, C95800, CW6MC, etc
Seat		Stainless Steel，Bronze，PTFE，NBR，EPDM，Viton，Buna-N，etc

Design Standards

Valve Body	API 594, BS EN 12334, ISO 14313, MSS SP-71, ASME B16.34, API 6D, GOST 9698, JIS B2074，etc
Flange	ANSI B16.42, EN 1092-2, JIS B2238, GB/T 17241, ASME B16.47 Series B, GOST 12815-80, DIN 3202, etc
Connection	ANSI B16.5, ISO 5752, JIS B2002, ASME B16.11, GOST 12820-80, DIN 3336, etc
Test Standards	API 598, EN 12266-1, ISO 5208, MSS SP-25, ASME B16.5, GOST 5762-2002, JIS B2003, DIN 3356, etc.

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A reputable provider offers more than just a product sale. Lipin provide strong post-purchase support, addressing issues or concerns.

Select Application Scenarios

Before choosing different types of Check Valves, please determine their main uses. Whether it is water treatment, petroleum or other industries, different application scenarios will directly affect valve selection.
Choose The Right Valve Type

Gheck valves come in many different types. Depending on factors such as flow control and pressure, choose the one that will perform best in your system.
Select Materials

Diversified selection of materials. Choose different materials according to needs. We provide materials ranging from conventional carbon steel to stainless steel to alloy materials, covering basically all valve materials.
Verify Feasibility (Technical Support)

Discuss with engineers and ask experts to verify to confirm that the valve meets technical requirements. Provide professional advice and installation and maintenance guidance
Quality Control

We have a strict quality inspection department. Every link needs to be inspected before entering the next link. We will never miss any link until the product is delivered safely.
After-Sales Service

24-hour online customer service, 2-year warranty or 18 months after installation, whichever comes first.

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