Introduction

The Lift Flange Check Valve is a one-way valve used to prevent backflow in pipeline systems. It features a vertically moving disc and flanged ends for secure installation, providing reliable automatic shut-off during operation.

Parameters and Specifications

Material Structure	ASTM A216 WCB for high temp. service ASTM A352 for low-temperature service and ASTM A351 CF8, CF8M for cast stainless steel valves
Working Pressure	Class150LB, Class300LB; Class600LB; Class900LB; Class1500LB;
Nominal Diameter	NPS1/2~24"; DN15~DN500mm
WorkingTemperatur	-29 to 425ºC

Features

Lift-type disc design
The disc moves vertically to allow forward flow and closes automatically to prevent reverse flow.

Reliable sealing performance
The seat and disc contact tightly to ensure effective shut-off under different pressure conditions.

Simple and durable structure
Compact design with few moving parts helps ensure long service life and easy maintenance.

Wide range of materials and sizes
Available in carbon steel, stainless steel, and other materials for different media and working conditions.

Our Services

OEM & ODM
We support OEM and ODM production based on drawings, samples, or technical requirements.

Quality Inspection
All products are tested before delivery to ensure reliable performance.

Fast Production
Stable production capacity ensures on-time delivery.

Export Packaging
Safe export packing and customized packaging are available.

Technical Support
Installation guidance and after-sales service are provided.

Why Choose Us

•Professional industrial valve manufacturer

•Reliable quality control

•Flexible customization

•Competitive price

•Fast delivery

•Global export experience

FAQ

Q: What is a lift flange check valve used for?

A: It is used to prevent backflow in pipelines and protect pumps, valves, and equipment.

Q: Can the valve be installed vertically?

A: Yes, lift check valves can be installed in horizontal pipelines or vertical lines with upward flow.

Q: What media can it handle?

A: Suitable for water, oil, steam, gas, and non-corrosive industrial fluids.

Q: What connection types are available?

A: Flanged, threaded, socket-weld, and butt-weld connections can be provided.

Q: What materials are available?

A: Common materials include carbon steel, stainless steel, and alloy steel.

Q: Does the valve require manual operation?

A: No, it operates automatically based on flow pressure.

Key Applications

Oil & gas pipelines
Used to prevent backflow and protect equipment in oil and gas transmission systems.

Chemical and petrochemical plants
Suitable for controlling flow direction in chemical processing lines.

Power generation systems
Used in steam, water, and auxiliary pipelines to ensure safe operation.

Water treatment and supply
Installed in water supply and treatment systems to avoid reverse flow.

Steam and boiler systems
Helps maintain correct flow direction in high-temperature steam pipelines.

General industrial piping
Widely used in various industrial pipelines requiring reliable backflow prevention.

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Lift Flange Check Valve