MULTI-STAGE PLUG PRESSURE REDUCING CONTROL VALVE

This series of valves adopts a multi-stage plug structure, allowing the design of multiple pressure reduction stages. It is a control valve specifically engineered for high pressure difference applications. Its working principle is to decompose the total pressure drop into multiple smaller pressure differentials and reduce the pressure step by step, thereby effectively eliminating cavitation, erosion, noise, flashing, vibration and other undesirable phenomena. It is ideal for high pressure difference and high flow rate conditions. If the site is noise-sensitive, a noise-reducing seat design can be added. Multi-stage pressure reducing control valves are widely used in power plants, chemical, petroleum, natural gas and other industries, and are particularly suitable for applications requiring precise control of high-pressure fluid media.

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Description

Technical Parameters

● Operating Temperature:

○ Standard Bonnet: -29°C ~ 230°C

○ High Temperature Bonnet: -29°C ~ 530°C

○ Low Temperature Bonnet: -46°C ~ 230°C

○ Cryogenic Bonnet: -196°C ~ 180°C

○ Bellows Seal Bonnet: -101°C ~ 530°C

● Sealing Type: Hard Seal

● Leakage Class: Class IV, Class V, Class VI

● Flow Characteristics: Equal Percentage, Linear, Quick Opening, Segmented

● Packing Type: PTFE V-Ring, Flexible Graphite

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