Instruction Manual
Instruction Manual
D200124X012
2500 and 2503 Controllers/Transmitters
April 2014
40
Key Description Part Number
21* Cover gasket, chloroprene 1C919806432
22* Relay gasket
Standard temperature, chloroprene 1C897403012
High temperature, silicon 1N873804142
23 Relay base
24* Relay base gasket (not shown)
Standard temperature, chloroprene 1C897303012
High temperature, silicon 1N873904142
25 Flexure strip, stainless steel,
26 Flexure strip nut, pl steel (2 req'd)
27 Flexure strip base, pl steel
28 Level set arm, pl steel
29 Drivelok pin, pl steel
30 Flapper base, brass, pl
31 Shaft clamp screw, SST (2 req'd for C version only,
1 req'd for all others)
32 Flapper, stainless steel
33 Alignment screw, brass, pl
34 Relay assembly
For all 2500 controllers/transmitters except 2503
Standard temperature
High temperature
Corrosive service
2503 only
Standard temperature
High temperature
35 Level adjustment assembly (controllers only)
35 Zero adjustment assembly (transmitters only)
36 Proportional band adjustment assembly
(except transmitters and 2503 controllers, see key 90)
Standard and high temperature
Corrosive service
37 67CFR regulator
38A* Filter gasket (not shown)
Standard temperature, chloroprene 1C898603012
High temperature, silicon 1N874004142
38B Spacer, aluminum (not shown)
38C* O‐ring (not shown)
Standard temperature, nitrile 1E591406992
High temperature, fluoroelastomer 1E5914X0062
39 Cap screw (not shown), pl steel (2 req'd)
Key Description
40 Hex nut, pl steel
(2 req'd for C versions, 1 req'd for all others)
41 Screw, pl steel (2 req'd for C versions only)
42 Machine screw, pl steel (8 req'd)
43 Machine screw, pl steel (2 req'd)
44 Machine screw, pl steel (6 req'd)
45 Machine Screw, pl steel (2 req'd)
46 Machine Screw, pl steel (4 req'd)
47 Spring (not shown), stainless steel
48 Cap screw, pl steel (4 req'd)
49 Machine screw, pl steel (13 req'd)
50 Screen, N04400
51 Pointer assembly (C versions only),
Stainless steel/brass, pl
52 Washer (C versions only), steel (2 req'd)
53 Base plate (C versions only), aluminum
54 Front plate (C versions only), aluminum
73 Pipe plug (2503 only), brass (not shown)
90 Specific gravity adjustment assembly
Standard and high temperature
Corrosive service
215 Nameplate
Heat Insulator (figure 14)
Note
All Heat Insulator parts are included in the Heat Insulator Parts Kit.
35 Heat Insulator Assembly, stainless steel
36 Shaft Coupling, stainless steel
37 Shaft extension, N05500
38 Set screw, stainless steel (2 req'd)
39 Cap screw, pl steel (4 req'd)
40 Cap screw, pl steel (4 req'd)
53 Washer, carbon steel, pl (4 req'd)
*Recommended spare parts
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Sorocaba, 18087 Brazil
Chatham, Kent ME4 4QZ UK
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Singapore 128461 Singapore
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