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Non-slam Tilting Check Valve (short Series)

A tilting disc check valve is a type of check valve that uses a hinged disc or ball to allow flow in one direction while preventing backflow in the opposite direction. When the flow direction changes, the disc or ball tilts to open or close the valve, allowing for efficient flow control. These valves are commonly used in applications where backflow prevention is critical, such as in water and wastewater systems, oil and gas pipelines, and industrial processes. They are available in various materials, sizes, and pressure ratings to suit different applications.
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  • H77

  • NIPO

A dedicated check valve solution for harsh operating conditions—featuring large diameter, low pressure drop, and high reliability. Through an external swash plate and gravity-assisted structure, it achieves precise and smooth control of medium backflow, making it particularly suitable for low-pressure, high-flow pipeline systems or those requiring slow closing to prevent impact.

  1. Efficient Backflow Prevention to Protect Core Equipment

    Installed at the outlet of pumps and compressors, it prevents equipment reversal damage caused by medium backflow during shutdown.

  2. Intelligent Energy Dissipation to Eliminate Water Hammer Hazards

    Through the adjustable slow-closing function of the counterweight, it decelerates at the final stage of valve closure, gradually cuts off backflow, and effectively absorbs pipeline impact energy to protect pipelines and accessories.

  3. Energy-Saving Preferred Choice for High-Flow Transmission Systems

    Full-port design ensures minimal pressure loss, suitable for energy-sensitive systems such as water supply, power plant circulating water, and petrochemical process pipelines.

  4. Adaptable to Special Media and Operating Conditions

    Highly resistant to particle-containing, high-viscosity, or corrosive media, commonly used in environments like mines, sewage treatment, and offshore platforms.

Design Basis

GB

API/ASME

Design Standard

GB/T 21387

API6D

ASME B16.34

Face-to-Face

GB/T 12221

API6D

ASME B16.10

Connection End

FLANGE

GB/T 9113

ASME B16.5

Materials

NACE MRO175

Test and Check

GB/T 26480

API598

The valve connection end standard designed and manufactured according to user requirements.

Main Parts and Materials  Conventional Type

Part Name

Carbon Steel

Low Temp Steel

Stainless Steel

GB

ASTM

GB

ASTM

GB

ASTM

Body

WCB

A216-WCB

LCB

LCC

A352-LCB

A352-LCC

CF8

CF8M

A351-CF8

A351-CF8M

Disc

WCB

A216-WCB

LCB

LCC

A352-LCB

A352-LCC

CF8

CF8M

A351-CF8

A351-CF8M

Guiding part

WCB

A216-WCB

LCB

LCC

A352-LCB

A352-LCC

CF8

CF8M

A351-CF8

A351-CF8M

Sleeve

12Cr18Ni9

SS304

12Cr18Ni9

00Cr17Ni12Mo2

SS304

12Cr18Ni9

00Cr17Ni12Mo2

SS304

SS316

Spring

SS304、SS316、InconelX-750

Is a professional valve manufacturer integrating design, technical development, produce and sale service, has a solid strength and rich production experience.

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