Equipment for operation in explosive environments: safety spring valves with a device for forced opening type PPKR with explosion protection marking II Gb c IIA T3 (hereinafter referred to as valves) are designed for automatic protection of equipment and pipelines from overpressure over a predetermined value.
Nominal diameter DN 200/300 mm (inlet/outlet)
Nominal pressure PN 1,6; 2,5 MPa
Gate tightness - according to class A of GOST 9544-2015.
Climatic execution:
- temperate (ambient temperature from -40oC to +40oC);
- cold (ambient temperature from -60o? to +40o?);
Working environment temperature:
-15 to +80oC for oil;
-45 to +60oC for oil products.
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