ZETKAMA zARMAK Fig. 673

ZETKAMA zARMAK Fig. 673 Full lift safety valve

The ZETKAMA zARMAK Fig. 673 is a spring-loaded full lift safety valve that opens fully at the set pressure, ensuring maximum discharge capacity and instant system protection. Designed for both low and high-pressure systems, it provides long-lasting durability and maintenance-free performance.

• Material: Cast steel
• Nominal pressure: 63, 100 bar
• Nominal diameter: 20-100 mm
• Temperature range: -40…+400°C

Full-lift angle spring safety valve with flanged ends.
The body of the product may be made of:

• grey cast iron (DN 20-150 for pressure up to 16 bar and max. temperature 300°C or DN 20-100 for pressure up to 16 bar and max. temperature 120°C – for soft sealing disc
• nodular cast iron (DN 20-100 for pressure up to 40 bar and max. temperature 350°C),
• cast steel:

– DN 20-150 for pressure up to 40 bar and max. temperature 400°C or DN 20-100 for pressure up to 40 bar and max. temperature 120°C – for soft sealing disc

– DN 20-400 for pressure up to 62 bar and max. temperature 400°C or DN 20-100 for pressure up to 62 bar and max. temperature 120°C – for soft sealing disc

– DN 25-100 for pressure up to 95 bar and max. temperature 400°C or DN 25-100 for pressure up to 95 bar and max. temperature 120°C – for soft sealing disc

• acid resistant cast steel (DN 20-100 for pressure up to 40 bar and max. temperature 300°C)

The product is widely used in the industry. It is used in heating, chemical, energy, petrochemical industry, refrigeration, air conditioning, gas, and sewage systems with glycol, industrial water, drinking water, compressed air, steam and other natural and aggressive media, depending on the resistance of materials used for the construction of the valve.