Construction Of The Control Valve - Burkert 2712 Manuel D'utilisation

T D
ECHNICAL ATA

Construction of the control valve

2/2-way piston controlled valve with control cone and flat-seat housing
Control function A
(closed by spring force in rest position)
Control function B
(open in rest position)
Drive unit material:
Housing material:
Seal materials:
Media
Liquid and gaseous media that do not attack the housing and seal materials.
Control medium:
NOTE The approved operating pressures and media temperatures are to be taken from the data
sheet or rating plate. With regard to the permissible seat leakage, the values given in DIN
EN 1349 are complied with, whereby for the steel/steel seal, leakage class IV and for the
PTFE/steel seal leakage class VI apply.
6 - 2712
PA (polyamide)
stainless steel 316L
steel/steel (1.4571) or PTFE/steel
instrument air, class 3 according to DIN ISO 8573-1