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Type LR125
24
26
21
20
19
17
2
14
L1
L2
5
70
L1
10
11
129
7
8
L1
49B6019_A
DN 25 / 1 IN. BODY SIZE
APPLY LUBRICANT / SEALANT
:
(1)
L1 = LITHIUM POLYMER TYPE LUBRICANT (MULTI-PURPOSE GREASE)
L2 = ANTI-SEIZE LUBRICANT
S = MEDIUM STRENGTH THREADLOCKER
1. Lubricants and sealant must be selected such that they meet the temperature requirements.
Parts List
Type LR125 Main Valve
Key
Description
1
Valve Body
2
Bonnet Assembly
3
Cap Screw
4
Hex Nut
5
Top Plug
6*
O-ring
7
Cage
8*
Cage O-ring
9*
Diaphragm
10*
O-ring
11
Bottom Plug
12
Main Valve Spring
13
Flanged Hex Nut
14*
Top Plug O-ring
15
Stem
16*
Back-up Ring
*Recommended spare part
4
21
3
25
20
19
22
17
15
2
4
L1
6
14
L1
L2
18
16
70
63
L1
12
10
28
L1
11
9
5
L2
S
130
7
1
8
23
48B2142_C
Figure 1. Type LR125 Main Valve
Key
Description
17
Upper Spring Seat
18*
O-ring
19
Indicator Fitting or
Travel Indicator Plug
20
Indicator Washer
21
Indicator Cover
22
Indicator Protector
23
Inlet Strainer
24
Nameplate
25
Flow Arrow
26
Drive Screw
28*
O-ring
63
Pipe Plug
70*
O-ring
129
Socket Head Screw
130
Lock Washer
DN 50, 80 AND 100 / 2, 3 AND 4 IN. BODY SIZES
22
15
4
6
L1
18
16
63
12
28
L1
9
L2
13
S
1
23
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