Flowserve Valtek FlowTop General Service Control Valve User Manual
Page 5
Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
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Packing replacement
1. Disconnect actuator and valve (see
Replacing
Plug).
2. Remove the gland packing nuts (117), gland flange
(80) and packing follower (83). Remove the packing,
being careful to avoid scratching the bonnet bore
or the plug stem.
Figure 1: Lapping Wrench
Table VI: Seat Lapping Tools
3. Clean and polish the bonnet bore, plug stem and
all other metal parts in the packing box (stem guide,
spring, follower).
4. Install new packing and associated parts in correct
sequence and replace the packing flange and nuts.
Non-Environmental Packing
Figure 3: PTFE Ring Standard Bonnet
Gland Flange Stud
(Item No. 109)
Gland Flange
(Item No. 80)
Valve Stem
(Item No. 51)
Bonnet
(Item No. 40)
PTFE V-ring
(Item No. 88)
PTFE Wiper Ring
(Item No. 93-99)
Packing Spacer
(Item No. 93-99)
Hexagonal Nut
(Item No. 117)
Washer
(Item No. 112)
Braided Graphite Rings
(Item No. 93-99)
Figure 2: V-ring Standard Bonnet (Internal Live-loading Shown)
Gland Flange Stud
(Item No. 109)
Gland Flange
(Item No. 80)
Valve Stem
(Item No. 51)
Bonnet
(Item No. 40)
PTFE V-ring
(Item No. 88)
Anti-Extrusion Rings
(Item No. 93-99)
PTFE Wiper Ring
(Item No. 93-99)
Hexagonal Nut
(Item No. 117)
Washer
(Item No. 112)
Carbon Braided V-rings
(Item No. 88)
Internal Live-loading
(Item No. 90)
IM049 FlowTop IOM.p65
2/10/03, 12:34 PM
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