Installation Of Seat Seal; Installation Of Seat Seal In Valve Shaft - SPX FLOW APV DELTA SDMS4 Instruction Manual

APV
APV_SDMS4_UK-0_112017.indd
valve shaft (2)
seat seal (16)
Double seal valve with diaphragm and ,,fan support"
DELTA SDMS4
Instruction Manual UK-rev.0

14. Installation of Seat Seal

By means of the assembly tool only the seat seal (16) can be
installed.
pos.17
This seat seal must be mounted in the valve shaft, at first.
Afterwards the seat seal (17) must be inserted manually into
the groove, see chapter 14.2.
pos.16
See to an even fit of the seal.
14.1.

Installation of seat seal in valve shaft

The assembly tool consists of:
- nut
- thrust ring
- ring with vent nose
nut
- housing
- threaded bolt
1. Insert valve shaft into the housing in such a manner that
thrust ring
the seal groove is in the valve housing.
2. Mount the shaft in the housing by means of the threaded bolts.
Clamp the housing in the vise.
ring
3. Slightly grease the seat seal with APV food-grade grease.
The receiving groove for the seat seal must not be greased.
Place the seal on the ring with the vent nose until it stops.
4. Insert the ring with the installed seat seal into the housing
and press it down until it stops.
5. Introduce the thrust ring into the housing. Screw on the nut
and tighten it by a hook spanner until it stops.
housing
6. Release the nut. Pull the ring and thrust ring out of the housing.
7. Take the housing out of the vise, remove the threaded bolts.
Take the valve shaft out of the housing.
valve shaft
Check the even fit of the seat seal.
threaded bolt
UK
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