low lift safety valve

1. Design & Features

• Structure: Spring-loaded, low-lift (micro-opening) type with lever operator
• Connection: Male threaded end (BSP / NPT optional), vertical installation
• Operation: Direct-acting — pressure acts directly against the spring-loaded disc; no pilot needed
• Lever function: Manual lifting lever allows on-site testing of valve operation and blowdown verification
• Sealing: Metal-to-metal seat with optional hardfacing for extended service life

2. Applicable Standards & Models

3. Key Specifications

• Size range: DN15 – DN50 (1/2" – 2")
• Pressure rating: PN10 / PN16 / PN25 / PN40
• Applicable medium: Water, air, steam, oil, and corrosive fluids
• Installation: Vertical, spring chamber above the valve
• Finish: Epoxy painted body (standard blue / beige coating)
  
  

5. Applications

• Industrial boilers and steam systems
• Air compressors and compressed air receivers
• Pressure vessels and storage tanks
• Heat exchangers and piping networks
• Chemical, petrochemical, and marine systems
• Water treatment and HVAC equipment

6. Why Choose This Valve

• Reliable overpressure protection — direct spring action, fast response
• Easy on-site testing — lever allows manual lift verification without process shutdown
• Wide material selection — from cast iron to stainless steel for various media
• Cost-effective — compact threaded design, easy installation and maintenance
• Quality assurance — factory tested on seat tightness and set pressure before delivery