TEJI Wafer Type Lift Check Valve – API 594, Compact Design

The Wafer Type Lift Check Valve by TEJI is a high-performance non-return valve specifically designed to prevent reverse flow in pipelines. Unlike conventional flange-mounted check valves, this valve features a wafer-style body, offering a shorter face-to-face dimension, reduced weight, and simplified installation without compromising sealing performance or reliability.

Capable of operating at temperatures ranging from -196°C to 540°C, this valve is suitable for extremely low and high-temperature applications. It is constructed from a wide range of carbon steel, stainless steel, alloy steel, and duplex materials, making it compatible with steam, water, oils, urea, acetic acid, nitric acid, and oxidizing agents.

The valve employs a lift-type or piston-type mechanism, often supported by an internal spring to enhance response time and sealing efficiency. Its design complies with API 594 and API 6D standards, ensuring dimensional compatibility and testing integrity for global applications.

This check valve is widely used in petrochemical plants, metallurgy operations, power generation systems, food and beverage processing lines, and industrial water treatment systems, providing safe, efficient, and maintenance-friendly flow control.

Specifications:

– Valve Type: Wafer Type Lift Check Valve
– Size Range: Customizable (typically 2” to 24”)
– Pressure Rating: As per API 594 (Class 150–Class 600 typical)
– Temperature Range: -196°C to 540°C (-320.8°F to 1004°F)
– Body Material Options: WCB, WC6, WCC, LCB, CF8, CF8M, CF3, CF3M, 4A, LF2, F304, F316
– End Connection: Wafer type (compact face-to-face)
– Sealing Type: Lift-type or piston-type disc, spring-loaded (optional)
– Design Standard: API 594
– Face-to-Face Dimensions: API 6D
– Installation Orientation: Horizontal or vertical (as per application)
– Applications: Water, steam, oil, nitric acid, acetic acid, urea, strong oxidizers
– Industries Served: Petrochemical, Metallurgy, Power, Light Industry, Food Processing
– Features: Lightweight design, reduced water hammer, corrosion-resistant materials, easy installation and maintenance

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