Chapter Four: Maintenance
17
Type 248 Valve Components
Valve Assembly
ID Number
(refer to Figure
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Valve
Component
1 Body
2 Collar
3 Center
Shaft
4 Coil
Assembly
5 Armature/Plug
Assembly
(with O-rings, see #10)
6 Orifice
Assembly
(without O-rings)
7 ¼”
Swagelok
®
Fitting
8
Socket Head Screw (8-32 x 0.50)
9
Hex Nut (
7
/
16
- 14)
10 O-Ring,
Viton
®
, Size 2-016
11
O-Ring, Viton, Size 2-009
12
O-Ring, Viton, Size 3-902
Table 1: Type 248 Valve Components
Note
Table 1 above is provided for reference purposes only. Disassembly of
the valve will void its warranty. For maintenance, please contact MKS
Instruments, Inc. and obtain an RMA (Return Materials Authorization.
Содержание 248A
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