3
17
10
9
4
6
7
18
12
11
3
1
15
20
21
22
23
6
2
14
13
15
16
16
8
27
28
19
1
5
KEYSTONE
K-LOK SERIES H HIGH PERFORMANCE BUTTERFLY VALVES
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
FIGURE 2
Exploded view
PARTS LIST
Pos
Description
1
Body
2
Disc
3
Upper shaft
4
Lower shaft
5
Wedge pins
6, 7
Bearings
8
Anti extrusion ring
9
Shaft packing
10
Packing gland follower
11
Snap ring
12
Gland bridge
13
Seat
14
Seat retaining ring gasket
15
Seat retaining ring
16
Seat retaining ring bolting
17
Gland bridge bolting
18, 19
Gland bridge nut, SRR nut
20*
Bottom cover gasket
21*
Bottom cover
22, 23* Bottom cover bolting
24*
Nut disc stopper
25*
Bolt disc stopper
26
Key
27, 28
Tag
*
DN 700-900 / NPS 28-36
Pos
Description
Pos
Description
Number 26
H1 DN 250 - 900 (NPS 10 - 36)
H2 DN 200 - 900 (NPS 8 - 36)
Bottom cover and disc
stop DN 700 - 900
(NPS 28 - 36)
