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Size: ¼” to 4″. Up to ANSI class 1500.Bellows Sealed Valves

balanced bellows relief valve

Size: ¼” to 4″. Up to ANSI class 1500.Bellows Sealed Valves

Bellows Sealed Globe Valves
Lubricant fittings to ensure proper lubrication of stem bushing for efficient opening and closing.
Multiple bellows materials are available: 316Ti, Hastelloy, Inconel, Monel, etc.
All bellows are hydroformed with a minimum of two layers.
Available in pressure classes 150-1500 (All body materials available)
Quantity

What is SJ Bellow Seal Valve

  • Oil & Gas: Critical for Safety Instrumented Systems (SIS) and Emergency Shutdown (ESD) valves, where superior sealing prevents catastrophic safety incidents and environmental violations.

  • Water Treatment Plants: Ensures precise, leak-free control of hazardous and high-purity chemicals (like chlorine, acids, and alkalis) in dosing applications.

  • Power Plants: Manages high-temperature steam and critical emissions control systems (SCR/SNCR), enhancing efficiency and reducing environmental impact in both thermal and nuclear generation.

  • Petrochemical: Handles aggressive and toxic chemicals in reactors and distillation columns, providing solutions that meet stringent emissions standards like TA-Luft.

  • Refineries: Guarantees seal integrity for volatile media (light hydrocarbons, hydrogen) in key processes like crude distillation, catalytic cracking, and hydrotreating.

  • Oil Exploration: Provides unmatched reliability in upstream harsh environments (wellheads, pipelines, platforms), ensuring operational continuity and environmental protection.


     

Main Part Materials

How Dose SJ Bellow Seal Valve Working

 
 
Why  Choose SJ ?
 
SJ's core themes are closely linked to Valve (Valve), dedication (Max), and helping customers succeed (Victory). Whenever and wherever special fluids need to be transported, controlled or closed, customers around the world rely on our expertise and products. VMV is committed to providing customers with the best advice, excellent quality, the highest reliability, and reliable service.This electric globe control valve is designed for precise flow, pressure and temperature regulation in industrial process piping systems. Equipped with a high‑performance electric actuator, it delivers accurate modulating control for medium flow. Adopting bellows sealing structure, it effectively eliminates stem leakage for high‑safety working conditions. Cast steel valve body with PN16 pressure rating and flange connection ensures stable installation and reliable performance. Widely used in HVAC, heating systems, chemical plants, power stations and water treatment facilities, this control valve offers stable modulation performance, low maintenance and long‑term operating reliability for automatic process control.

FAQ:

 
What is a bellow seal used for?
  
 
What is the difference between a globe valve and a bellow seal?
 
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