Safety shut-off valves KPO

Клапаны предохранительно-запорные КОП

Application

Dangerous production facilities of oil and gas industrial sector, gas distribution and consumption network.

Purpose of usage

Safety shut-off valves KOP are designed to stop automatically the supply of non-aggressive hydrocarbon gases to consumers while increasing or decreasing the monitored gas pressure beyond specified limits.

Specification

Nominal pressure (PN) is 10.0 MPa. Climatic version is moderately cold climate (NF) category 2 in accordance with GOST 15150-69.

Configuration

The valves consist of pilot regulators RD-PS, RD-DS and piston-type valves used as actuating devices, with a nominal diameter from 25 to 200 mm.

Design

The valves are installed at a gas pipeline in front of a gas pressure regulator, while pulsed gas to RD-DS pilot regulator is taken in front of the valve, but gas for RD-PS regulator is taken after the gas pressure regulator. If gas pressure decreases in front of the regulator, RD-DS pilot valve will supply a control pressure to the piston of the gas piston valve and the valve closes. If pressure increases limit values after the gas pressure regulator, the pilot RD-PS delivers the control pressure to the gas valve piston and the valve closes.

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