Check Valves
Configuration
Piston type:
- Check valve, optional with screw down function
- DN 10-200, PN up to 500
Swing type:
Construction with realized or inside shaft plus pressure sealing bonnet or blank flange.
- DN 50-800, PN up to 40
- DN 50-250, PN 63-160
- DN 50-600, PN 210-630 (PD 21-63)
Materials
- Carbon steel: 1.0460, 1.0619, 1.5415, 1.5419
- Alloy steel: 1.4901, 1.4903, 1.7335, 1.7357, 1.7383
- Cold resisting steel: 1.0566, 1.7219,
- Stainless steel: 1.4571, 1.4581
- Stainless steel low temperature: 1.4308, 1.4571
Connections
- Flanges
- Butt weld ends
- Socket weld ends
- Other connections
Features
- Valve body made of forged steel
- Check valve, optional with screw down function
- Swing check valve with an internal hinge pin
- Lever rests in a separate support ring
- Available with damper
Design highlights
- Valve body forged
Free from porosity and shrink holes - Seats faced with stellite
Extremely resistant to wear - Lever rests in a separate support ring
The setting of the disc can be examined before installing the bonnet cover - Pressure sealed bonnet
Best possible sealing function
Manufacturer
PERSTA is a market leader in the high performance, forged steel isolating valves. Established manufacturer, part of the Siepmann Group with their own forging shop. Especially the high pressure globe and gate valves are a benchmark in the valve industry with a flexible production process.
- Globe valves
- Gate valves
- Check valves
- Bellow seal valves
- Special valves
- Valves for super critical boilers