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28 310622L
Diaphragm Material Parts List
* Indicates replacement parts.
† Indicates a recommended spare part.
Digit Ref. Part Description Qty
Model 3150
A
253224 3A Approved, EPDM, Overmolded;
includes 110 and 446
110 112181 U-CUP 2
446*† DIAPHRAGM ASSY 2
445 189298 PLATE, diaphragm
(air side)
2
6 253225 Santoprene; includes 110, 446
110 112181 U-CUP 2
446*† DIAPHRAGM 2
143 15D021 BOLT 2
444 15D018 PLATE, diaphragm 2
445 189298 PLATE, diaphragm 2
7 253223 Buna-N; includes 110, 446
110 112181 U-CUP 2
446*† DIAPHRAGM 2
143 15D021 BOLT 2
444 15D018 PLATE, diaphragm 2
445 189298 PLATE, diaphragm 2
8 253222 fluoroelastomer; includes 110, 446
110 112181 U-CUP 2
446*† DIAPHRAGM 2
143 15D021 BOLT 2
444 15D018 PLATE, diaphragm 2
445 189298 PLATE, diaphragm 2
Model Ref. Part Description Qty
Model 1590
255058 3A Approved, EPDM, Overmolded;
includes 110 and 446
SABAAA
SBBAAA
110 112181 U-CUP 2
446*† DIAPHRAGM
ASSEMBLY
2
445 15K448 PLATE, Diaphragm (air
side)
255059 Santoprene; includes 110 and 446
SBBA22
110 112181 U-CUP 2
446*† DIAPHRAGM 2
143 15D021 BOLT 2
444 15K288 PLATE, Diaphragm (fluid
side)
2
445 15K448 PLATE, Diaphragm (air
side)
2
255060 PTFE; includes 110 and 446 and 447
SBBA11
110 112181 U-CUP 2
446*† DIAPHRAGM 2
447*† BACKER 2
143 15D021 BOLT 2
444 15K288 PLATE, Diaphragm (fluid
side)
2
445 15K448 PLATE, Diaphragm (air
side)
2
All diaphragm modules above include 2 u-cups
(110) to replace seals around shaft (121). See page
30.