
Page 6 of 20
BD20X-XXX-XXX-AXX (en)
PARTS LIST / BD20X-XXX-XXX-AXX FLUID SECTION
NOTE: DO NOT OVERTIGHTEN FASTENERS.
(14) Diaphragm screw, 65 - 70 ft lbs (88.1 - 94.9 Nm).
(82) Sanitary Clamp 3.68 - 7 ft lbs (5 - 8 Nm)
(83) Band-Clamp, Diaphragm 11.8 - 16.23 ft lbs (16 - 22 Nm)
(131) Screw, 35 - 40 ft lbs (47.5 - 54.2 Nm).
LUBRICATION / SEALANTS
ASSEMBLY TORQUE REQUIREMENTS
Apply Loctite 271 to threads at assembly.
Apply Lubriplate FML-2 grease to all “O” rings, “U” Cups and mating parts.
COLOR CODE
Material Diaphragm
Color
Ball
Color
Hytrel
Cream
Cream (•)
Nitrile
Black
Red (•)
Santoprene
Tan
Tan
Santoprene
(Backup)
Green
N/A
PTFE
White
White
Viton
Yellow (-) Yellow (•)
(•) Dot
Apply anti-seize compound to threads and bolt and nut flange
heads which contact pump case when using stainless steel fasteners.
Apply Loctite 262 to threads at assembly.
Apply Loctite 572 to threads.
Note: Lubriplate FML-2 is a white food grade petroleum grease.
(-) Dash
Apply PTFE tape to threads.
FOR THE
AIR MOTOR SECTION
SEE PAGE 7 AND 8.
View for BD20X-XXX-XXT-AXX (PTFE diaphragm)
6
9
14
83
15
1
7
8
5
180
131
69
70
175
14
4
22
19
21
61
126
22
21
60
68
82
82
8 Santoprene
8 PTFE
Not used with BD20X-XXX-AXX-AXX or -CXX-AXX.
19
Figure 2