Technical Data; Construction; Media; Temperature Range - Burkert 2012 Instructions De Service

TECHNICAL DATA

Construction

2/2-way piston controlled valve with flat-seat housing.
Control function A
(closed by spring force in rest position)
Control function B (open in rest position).
Control function I (double-acting actuator)
Actuator material: PA or PPS
Housing material: stainless steel 316L
Seal materials: PTFE NBR, FPM and EPDM on request

Media

Liquid and gaseous media that do not attack the housing and seal materials.
Control medium:

Temperature range

Medium temperature:
Ambient temperature:
Standard version, PA actuator
High temperatzre version, PPS actuator

Control and medium pressures

Control function A, input flow over seating (standard)
40
DN p /p
Pilot Medium
[bar]
10 4.0/0-15
15 4.0/0-15
4.0/0-6.5
20
25
32
40
50
4
air
Actuator diameter
50 63
p /p p /p
Pilot Medium Pilot Medium
[bar] [bar]
3.9/0-16
3.9/0-16
3.9/0-11 4.2/0-16
3.9/0-5,2 4.2/0-11
4.2/0-6
4.2/0-4
4.2/0-2,5
-10 to 180°C with PTFE seal
-10 to 60°C
5 to 90°C, briefly to 140°C
80
p /p p
Pilot Medium Pilot
[bar]
5.0/0-16
5.0/0-15 4.4/0-16
5.0/0-10 4.4/0-12.5
5.0/0-6 4.4/0-7.2
Operating Instructions No. 804 072
100 125
/p p /p
Medium Pilot Medium
[bar] [bar]
3.2/0-16
3.2/0-10