Control Functions; Mechanical Data - Burkert 2012 Manuel D'utilisation

Pilot pressure [bar]
Fig. 16: Pressure graph, actuator ø 100 mm, control functions B
and I, flow direction below seat
Pilot pressure
Fig. 17: Pressure graph, actuator ø 125 mm, control functions B
and I, flow direction below seat
14
[bar]
english
Type 2012
Technical Data
7.4.3 Media
Control medium neutral gases, air
Flow medium water, alcohol, fuel, hydraulic liquids,
saline solutions, lye, organic solvents
7.5

Control functions

Control function A Normally closed by spring action
Control function B Normally open by spring action
Control function I Actuating function via reciprocal
pressurization
7.6

Mechanical data

Materials
Valve body Stainless steel 316L
Actuator PA, PPS
Seal materials PTFE
(NBR, FKM and EPDM on request)
Packing gland PTFE (carbon-filled)