Content
Page
1
Membrane Valve with Bellow Unit
DELTA MF4
Operating Manual rev. 0
DELTA MF4-UK0.qxd / 12.2004
1.
General Terms
2
2.
Safety Instructions
2
3.
Mode of Operation
3
4.
Auxiliary Equipment
4
4.1
Valve position indication (proximity switches)
4.2
CONTROL UNIT
4.3
Connections
5.
Installation
5
5.1
Welding Instructions
6.
Dimensions / Weights
6
7.
Technical Data
7 - 8
7.1
Opening and closing times
7.2
kvs values
7.3
valve stroke / opening section
8.
Maintenance
9
9.
Service Instructions
10 - 12
9.1
Dismantling from the line system
9.2
Disassembly of wear parts (product-wetted parts)
9.3
Installation of seals and Assembly of valve
9.4
Installation of valve insert
10.
Service Instructions Actuator
13
10.1
Maintenance of actuator
10.2
Dismantling of seals
10.3
Installation of seals and Assembly of actuator
10.4
Reconstruction of valve design from
NC (normally closed) > NO (normally open) design
11.
Service Instructions
14
11.1
Installation of seat seal
12.
Trouble Shooting
15
13.
Spare Parts Lists
UK