Construction Of The Control Valve; Media - Burkert 2730 Instructions De Service

T
ECHNICAL

Construction of the control valve

2/2-way piston controlled valve with sealing diaphragm and diaphragm housing. Control function A (closed by spring force in rest
position) or control funktion B (open in rest position).
Control function A
(closed by spring force in rest position)
Control function B
(open in rest position)
Drive unit material:
Housing material:
Type 2730
Typ 2731
Typ 2731K
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:
TD 2
D
ATA
PA (polyamide)
PVDF polyvinylidene fluoride
PP polypropylene
PVC polyvinyl chloride
Stainless steel, forged 1.4435 (AISI 316 L)
Stainless steel, cold formed 1.4404/1.4435
EPDM foodstuff quality
FPM
PTFE/EPDM
instrument air, class 3 according to DIN ISO 8573-1
Operating Instructions No. 803 906