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APV_SWmini4_GB-2_042020.indd
Single Seat and Change-over Valve
DELTA SWmini4
Instruction manual: GB – rev. 2
GB
APV
15. Assembly Tool for Seat Seal
The assembly tool consists of:
- nut
- thrust ring
- ring
with
venting
nose
(to be used for the installation of the seat seal in
position + see illustration).
- two half-shells, one with venting nose
(to be used for the installation of the seat seal in
position see illustration)
- housing
- threaded bolt
Installation of seat seal in valve shaft
1.
Insert the valve shaft in the housing in such a way that the seal
groove is in the housing.
2.
Clamp the shaft in the housing by means of the threaded bolt
(observe the corresponding design SW41 or SW43). Clamp the
housing in a vice.
3. Installation +
Provide the seat seal with a thin layer of APV assembly grease.
Place the seal on the ring with venting nose until it stops.
Introduce the ring with the installed seat seal in the housing and
press it down to a sensible stop.
4. Installation
Provide the seat seal with a thin layer of APV assembly grease.
Place the two half-shells around the reduced shaft and slide the
seat seal over the shaft and over the half-shells.
5.
Slide the thrust ring on the seat seal. Screw on the groove nut and
tighten it with a hook spanner until it stops.
6.
Release the groove nut. Take thrust ring and ring (half-shells) off the
housing.
7.
Take housing out of the vice.
8.
Unscrew threaded bolts. Take valve shaft from the housing.
Check the even fit of the seat seal.
Assembly tool for
SWmini 41 / 42 / 43 / 44
DN
reference No.; ID-No.
10, 15
000 51-13-052/17; H314147
20
000 51-13-050/17; H207967
nut
thrust ring
half-shells
ring
seat seal
housing
2
2
1
1
3
3
half-shells
identification
SW43
identification
SW41
threaded bolt
SW 41
SW43
SW 43
SW41
1
2
3
