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Cashco 521 User Manual

Page 17

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IOM-521

17

Figure 10: Control Valve Internals

ITEM

NO. DESCRIPTION

1 Body

Sub-Assembly

1.1

* Half Shell

1.2

* TFE Core

1.3

* Cap Screw

1.4

*

Nut

1.5

*

Lockwasher

2 Bonnet
3 Plug

Head

4

Plug Retainer Strip

5

Packing Gland Nut

6 Packing

Set

ITEM

NO. DESCRIPTION

7

Belleville Spring Washer

8 Bellows

Sub-Assembly

9 Stem

Sub-Assembly

10 Spacer
11 Bonnet

Gasket

12

Vented Pipe Plug

13 Lockwasher

14

Bonnet Cap Screw

15 Yoke

nut

Not

Shown

18 Rating

Tag

19 Bonnet

Spacer

20 Jam

Nut

*

Sub-level parts that make up the body sub-assembly; NOTE: DO NOT DISASSEMBLE THE PARTS OF THE
BODY SUB-ASSEMBLY (1)! The valve body (1) is ma chined after the shell halves (1.1) have been bolted (1.3,
1.4, 1.5) around the TFE core (1.2). Dis as sem bly of the body sub-assembly (1) will cre ate align ment problems
upon com plet ed reassembly. The TFE core (1.2) is not replaceable, except as a body sub-as sem bly (1).

NOTE: No. varies

by body size