Construction Of The Control Valve; Media - Burkert 2712 Instructions De Service

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/ECE 534-4 are complied with,
whereby for the steel/steel seal, leakage class IV and for the PTFE/steel seal leakage class VI apply.
TD 2
PA (polyamide)
stainless steel 316L
steel/steel (1.4571) or PTFE/steel
instrument air, class 3 according to DIN ISO 8573-1
Operating Instructions No. 803 800