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Baker Hughes
© 2020 Baker Hughes Company. All rights reserved.
IX. Consolidated 2478 Series Relief Valves
9
11
20
10
7
6
2
3
1
8
4
5
7
13
19
18
9
10
6
20
15
17
14
16
12
Figure 1: 2478 Standard Soft Seat Design
Figure 2: Packed Cap Assembly
Ref
No.
Nomenclature
1
Base
2
Bonnet
3
Disc
4
Seat Washer
5
Soft Seat Retainer Ring
6
Spindle
7
Spring Washer
8
Spring
9
Compression Screw
10
Compression Screw Locknut
11
Screwed Cap
12
Lever
13
Packed Cap
14
Cam Shaft
15
Bushing
16
Drive Screw
17
O-Ring
18
Release Nut
19
Release Locknut
20
O-Ring Gasket
