Samson EB 14b, Монтаж и эксплуатация

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3-5
EB 14b_EN
January 2022 edition
Subject to technical changes
Design and principle of operation
Ö
Insert the preassembled bonnet (7) into the bearing bore in
the body (1) and adjust with the stud bolts (16).
Ö
Tighten the bonnet (7) with the nuts (17) evenly and in a
criss-cross pattern.
Ö
Push the thrust washer (8) over the free shaft end into position
in the valve body.
Ö
Push the PTFE meshwork packing (9) ring by ring over the
shaft into the body bore and press in with an assembly
sleeve.
Ö
Press the bearing bushing (11) into the compression spacer
(6).
Ö
Fit the preassembled compression spacer (6) smoothly over
the shaft and adjust with screws (20) and washers (28).
Ö
Tighten the screws (20) evenly in a criss-cross pattern.
The required torques for tightening the adjustable compression
spacers can be found in Table 15-1. Torque wrenches must be
used to ensure that the torque is reached.
Ö
Adjust the dihedron of the switching shaft parallel to the
valve disc and secure it against further twisting.
Press the switching shaft up against the mating washer (18).
Info
Info
Figure | 3-3: Sectional drawing of the BR 14b butter fl y valve with adjustable stuf fi ng box
Table | 3-2: Parts list for the BR 14b butter fl y valve with adjustable stuf fi ng box
Pos. Designation Pos. Designation Pos. Designation
1 Valve body 9 Packing 19 Tension spring
2 Shaft 11 Bearing bush 20 Screw
3 Valve disc 12 Bearing bush 21 Spacer
4 Seal ring 13 Body sealing 22 Spacer
5 Fastening ring 14 Grooved pin 23 Bonnet sealing
6 Adjustable stuf fi ng box 16 Stud bolt 24 O-ring
7 Bonnet 17 Nut 26 Screw
8 Thrust washer 18 Mating washer 28 Washer