Samson EB 14b, Монтаж и эксплуатация

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3-3
EB 14b_EN
January 2022 edition
Subject to technical changes
Design and principle of operation
Figure | 3-2: Sectional drawing of the BR 14b butter fl y valve with spring washer preloaded V-ring packing
Table | 3-1: Parts list for the BR 14b butter fl y valve with spring washer preloaded V-ring packing
Pos. Designation Pos. Designation Pos. Designation
1 Valve body 9 V-ring packing 18 Mating washer
2 Shaft 10 Set of spring washers 19 Tension spring
3 Valve disc 11 Bearing bush 20 Screw
4
Seat ring 12 Bearing bush 21 Spacer
Metal seat ring 13 Body sealing 22 Spacer
5 Fastening ring 14 Grooved pin 23 Bonnet sealing
6 Stuf fi ng box 15 Spacer 24 O-ring
7 Bonnet 16 Stud bolt 26 Screw
8 Thrust washer 17 Nut 27 Primary sealing
Ö
Insert the spacer (22) into the bearing bore.
Fit butter fl y valves with a nominal size of DN 300 or NPS12
without a spacer (22).
Ö
Insert the valve disc (3) into the body such that the bearing
bores in the disc align with the bearing bore in the body.
Ö
Insert the switching shaft (2) through the bearing bores of the
body and the disc.
Info
Ö
Push the bearing bushing (12b) over the switching shaft as
far as it will go into the bearing bore in the body.
Ö
Afterwards the spacer (21) is inserted.
Fit butter fl y valves with a nominal size of DN 100 or NPS4 with-
out a spacer (21).
Ö
Screw the stud bolts (16) into the body.
Ö
Insert the mating washer (18) into the provided recess in the
bonnet (7).
Info