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Spring-loaded dump valves (PSK)
Spring-loaded dump valves (PSK) are designed to limit pressure of non-aggressive gases via gas venting to the atmosphere to a specified value when the pressure in the network rises above the permissible limit.
The spring-loaded dump valve is installed on gas pipelines of low and medium pressure as well as at regulatory stations. Inside nominal diameter, DN 50 mm.
Specification
| Name for an order | Control range, kPa |
| PSK-50N/5 | 1,0-5,0 |
| PSK-50N/20 | 1-20 |
| PSK-50S/20 | 5,0-20 |
| PSK-50S/50 | 20-50 |
| PSK-50S/125 | 50-125 |
| PSK-50S/300 | 125-300 |
| PSK-50V/700 | 400-700 |
| Connecting sizes: inner pipe thread at the inlet and outlet | По ГОСТ 6357-81 |
| Overall dimensions, mm, length | 225+3,5 245+5,0 |
| Weight, not more, kg | 7,0 |
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