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Body material

Brass, stainless steel

Inner part valve

Stainless steel

Actuator

Epoxy resin

Seal material

NBR, FKM, PTFE/FKM, EPDM, PTFE/EPDM

Medium

NBR

neutral medium

(e.g. compressed air, town gas, water, hydraulic oil)

FKM

per-solution, oxygen, hot air

EPDM

oil and fat-free medium

e.g. hot water, alkaline washing and bleaching lyes

PTFE/EPDM

oil and fat-free medium, e.g. hot water and steam

(PFTE seal with EPDM O-Ring)

PTFE/FKM

hot oils, hydrocarbonated water, aromatics and steam

(PTFE seal with FKM O-Ring)

Viscosity

max. 100 mm²/s

Medium temperature

NBR

-10 up to + 90 ºC

FKM

-10 up to +100 ºC

EPDM

-10 up to +100 ºC

PTFE/EPDM

-10 up to +140 ºC

PTFE/FKM

-10 up to +140 ºC

Control medium

neutral gases and liquids, in particular air,

water, hydraulic liquids up to max. +90 ºC

Pilot pressure

see diagram

Ambient temperature

-10 up to +90 ºC

Installation

As required, preferably with actuator upright

Flow rate

measured at +20°C, 1 bar pressure at valve inlet

Kv value water [m³/h]:

and free outlet

Pressure values [bar]

Measured as overpressure to the atmospheric pressure

Response times [ms]:

Measured at valve outlet at 6 bar and +20ºC.

Opening

Pressure relief 0 90%

Closing

Pressure drop 100 to 10%