Technical Data; Construction Of Diaphragm Valve; Media - Burkert 2030 Instructions De Service

TECHNICAL DATA

Construction of diaphragm valve

2/2-way piston controlled valve with sealing diaphragm with diaphragm housing.
Control function A
(closed by spring
force in rest position)
Actuator material:
Housing material:
Type 2030
Type 2031K
Seal materials:

Media

Liquid and gaseous media are suitable that do not attack the housing and seal materials. The approved
operating pressures and media temperatures are to be taken from the data sheet or rating plate.
Control medium:
Permissible ambient temperature for drives
Drive ∅
Drive
PA 125 mm
175 and 225 mm
PPS 125 mm
Permissible media temperatures for casings
Casing Temperature range
material
PVC
VA
1) see diagram
Control function B
(open in rest position)
PA (polyamide)
PVC polyvinyl chloride
stainless steel, cold formed 1.4404/1.4435
EPDM, foodstuff quality
FKM
PTFE/EPDM
neutral gas, air
Temperature
range
[° C]
-10 to +60
-10 to +50
+5 to +90
[° C]
-10 to +60 1)
limited by membrane material
Remarks
short term up to 140° C
Remarks
Control function I
(double-acting)
2030/2031K big - 3