SENS-PR DN20PN250 valve
Normally closed. Closing mechanism position sensor is based on solid-state relay. One-way medium supply Without reserve manual actuator.


Nominal diameter (DN), mm101520
Effective diameter, mm101520
Nominal pressure (PN), kgf/cm²250
Pressure difference (ΔP) for direct thrust, kgf/cm²from 0 to 250
Pressure difference (ΔP) for inverted thrust, kgf/cm²not applied 1)
Working pressure, kgf/cm²320
Closing mechanism sealing according to GOST R 54808«A» class
Case materialsteel 14Kh17N2
Time of closing mechanism opening / closing, s, not more than1 / 1
Supply voltage
~ 220 V, 50 Hz24 V (on order)
Consumed power (PF / PHold), W
300 / 10200 / 5
Operation length, %100
Activation frequency, cycle/min, not more than6
Operational media temperature, °Cfrom -50 to +80 (short-time operation up to 100)
Ambient temperature, °Cfrom -50 (from -60 - on order) to +60
Explosion protection marking1Ex d IIC T4 Gb X, Ex (ISO/DIS 80079-36) IIC T6 Gb X
Orientation on the pipelinewith drive facing up ±90°
Process connectionG1/2 2)G3/4 2)G1 2)
Overall dimensions, mm:A, not more than217217217
C, not more than154154154
Weight, kg, not more than5.5
Full service life, years40


1) When pressure is supplied in the opposite direction, the valve will be opened.

2) Threaded coupling connection in accordance with GOST 22526-77 (other – on order)