Axial Check Valve - TKZ-Y

Mokveld Valves BV

Check or non-return valve
Fast acting non-slam protection for critical applications
Available sizes 2” – 84”
ASME Class 150 – 2500
API 3000 – 10 000
Higher pressure ratings upon request

The Axial Check Valve is a critical component designed for fast acting non-slam protection in various applications. It features a streamlined flow path through an expanded body, which minimizes turbulence and prevents erosion and vibration. This valve offers low pressure loss due to its full opening flow passage and high-pressure recovery from the venturi-shaped body, resulting in reduced operating costs for pumps and compressors. It ensures tight shut-off through metal-to-metal sealing between the disc and the seat, unaffected by erosion or material deformation. The valve also has a low cracking pressure, achieved with a large disc that provides equal effective pressure areas on both sides, enhancing stability during compressor system start-up. It enables easy opening and stable operation by creating a pressure differential over the disc. The spring-assisted design ensures ultra-fast closing with minimal backflow and pressure surges, making it suitable for critical applications like multi-pump systems or LNG trains. It is maintenance-free, with internal construction based on sound mechanical engineering principles. The valves performance can be accurately predicted through laboratory flow tests and a mathematical model. Special features include custom design to meet specific process conditions, as well as fire-safe, cryogenic, and subsea capabilities.

Use Cases

Transmission pipeline compressor discharge
LNG compressor train
Cooling water system (Ethylene, LNG)
Multiphase pumping
Subsea pump and flowline application

Capabilities

Designed as a check (non-return) valve for critical applications.
Available in sizes from 2” to 84”.
Rated for ASME Class 150–2500 and API 3000–10 000.
Higher pressure ratings available upon request.

Mokveld Valves BV

Mokveld specializes in advanced engineered valves for the hydrogen economy, offering compliant axial control and check valves for hydrogen applications. Founded in 1922, it has a long history of expertise in valve technology. Mokvelds products ensure safety and efficiency in hydrogen services.

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