Z2S Pilot Operated Check Valve

Technical specifications

Specification:NG 6 ~ 22

Max working pressure: 315 bar

Max flow: Up to 450 L / min

Sandwich plate valve for use in vertical sandwich installation

Z2S Pilot Operated Check Valve

Fluid

Mineral oil suitable for NBR and FKM seal

Phosphate ester for FKM seal

Degree of contamination

Maximum permissible degree of fluid contamination: Class 9. NAS 1638 or 20/18/15, ISO4406

Pressure fluid temperature range

℃

-30 to +80 (NBR seal)

-20 to +80 (FKM seal)

Viscosity range

mm²/s

2.8 to 500

Operating pressure

bar

315

Max. flow-rate

L/min

60-450

Flow direction

See symbols

Flow freely opening pressure

bar

See curves

Ratio of areas

A1/A2=1/3

Weight