Top entry ball valve for cryogenic applications
Technical specifications
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- Design -ball valve type: 64-K, 66-K oder 67-K
- Flange connection: Welding ends, flange or according to customer requirements
- Size To NPS 16“ / DN 400
- PN: Class 1500 / PN 250
- Seating system: Soft sealing
- Temperature range: -196°C to + 100°C
- Actuation: Manual (lever/gearbox), pneumatic / electric / hydraulic drive
Material
- Case: DIN 1.4409 / CF3M
- Ball: DIN 1.4409 / 1.4408 / A 351 CF3M / CF8M
- Seat rings: PCTFE
- Seal: Graphite
- Pack: Graphite
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Technical documentation
Benefits
- Easy assembly / disassembly
Simplified maintenance without removing the valve from the pipeline. - Bi-directional sealing
Reliable performance with flow in both directions. - Cryogenic test at Perrin
Each unit is function-tested at temperatures down to –196 °C. - Pressure relieved seating system
Ensures stable tightness even under pressure fluctuations. - Spring loaded packing
Maintains tightness during temperature and pressure changes. - Blow-out proof stem design
Safety ensured even in the event of component failure. - On-site maintenance
Serviceable without removing the valve from the pipeline – ideal for industrial use. - ISO standard actuator connection
Compatible with all actuators according to ISO 5211.
Applications
- LNG (Liquefied Natural Gas) systems
- Hydrogen storage and transportation
- Cryogenic plants in the chemical and petrochemical industries
- Production and distribution of industrial gases
Engineering services
- Selection, calculation, and configuration of PERRIN ball valves
- Support in selecting spare parts
- Selection of solutions for high pressure and temperature applications
- Technical consulting on equipment use in challenging environments
- Provision of operating and technical documentation
- Training of customer personnel in the installation and maintenance of PERRIN valves