Becker HPP-4, Instruction Manual

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Parts Ordering
The following is provided to allow the ordering of replacement parts. Please specify the Becker
instrument serial number when ordering parts (this can be found on the Stainless Steel tab at-
tached to the pilot by the 7/16 hex head cap screws. If the instrument was supplied as a com-
plete valve regulator package, the Stainless tag attached to the actuator piston can also provide
the serial number. See Drawing #30-0501
HPP-4 16 September 1999
Key Description Part No.
1 Pilot base 30-7005
2 Lexan Cover 25-1034
3 Adjusting Drum 35-1520
4 Washer 25-1016
5 Inside piston 25-8247
6 Orifice Assembly 35-1015
7 Nozzle 1/8” 25-1030
8 1/2-20 Jam Nut 98-3056
9 Beam Adjusting Drum 25-1124
10 Diaphragm 25-1213
11
12
13 1/8 Roll Pin SS 98-2950
14 8-32 x 1” SHCS 98-3144
15 Beam Block 25-1086
16 Outside piston 25-1018
17 3/16 x 1/2 Roll Pin SS 98-3089
18 1/4-20 x 2-1/2 HHCS 98-3180
19 Gauge Manifold 35-1013
20 O-Ring –012 95-2615
21 1/4-28 Jam Nut 98-3214
22 Diaphragm w/ Convolute 25-1027
23 Beam Spacer 30-7055
24 1/4-20 x 1” HHCS 98-2579
25 3-15 pressure cartridge 25-1082
26 5-40 x 1/4 SHCS 98-2629
27 1/4-20 x 3/4 SHCS 98-3137
28 8-32 x 1/2 SHCS 98-2614
Seal Kit
A seal kit containing diaphragms, o-
rings, and seats, for the HPP-4 posi-
tioner is available directly from Becker.
Simply contact Becker Precision Equip-
ment and order part number 30-9501
HPP-4 Positioner
Parts List
Key Description Part No.
29 Pilot Post S.S. 25-8249
30 Double pilot Body 25-8246
31 Valve Adjusting Screw 25-8248
32 O-Ring –014 95-2632
33 O-Ring –010 95-2609
34 Buna –N Seat 25-1031
35 S.S. Control Tag 25-1061
36 Beam 25-1084