Pump Matrix - Graco 253485 Instructions-Parts List Manual

Husky 1590 Aluminum and Stainless Steel Pumps, Series A
Your Model No. is marked on the pump's serial plate. To determine the Model No. of your pump from the following
matrix, select the six digits which describe your pump, working from left to right. The first digit is always D,
designating Husky diaphragm pumps. The remaining five digits define the materials of construction. For example, a
pump with an aluminum air motor, aluminum fluid section, polypropylene seats, PTFE balls, and PTFE diaphragms
D B 3 9 1 1.
is Model No.
matrix do not correspond to the ref. nos. in the parts drawing and lists.
Diaphragm
Pump Air Motor
232502* aluminum
253485* aluminum
D (for all pumps) B aluminum
(standard)
C aluminum
(remote)
T sst (standard) 3 (aluminum)
U sst (remote)
* 232502 and 253485, Aluminum 1590 Pump, Series D
Model No. 232502 is a private-label aluminum 1590 pump. This pump is the same as Model No. DB3525 except
for the label and:
Reference #10 and #402 are 115666 Packing, U–Cup, Fluoroelastomer
Reference #17 is 168518 O–ring, Fluoroelastomer
Use 243492 as the Air Valve Repair Kit
Model No. 253485 is an aluminum 1590 pump. This pump is the same as Model No. DB3777 except for the label
and that 253485 does not include Reference #111 – Muffler.
246451 Stainless Steel Air Motor Conversion Kit
Use kit 246451 and refer to instruction manual 309643 (included with kit) to convert from aluminum air motor to
stainless steel air motor.
22 308441

Pump Matrix

To order replacement parts, refer to the part lists on pages 25–24. The digits in the
Fluid Section –
aluminum –
aluminum –
1 (not used) –
2 (not used) –
–
4 (sst) –
5 (not used) –
C (aluminum –
BSPT)
D (sst BSPT) –
–
–
–
–
Seats Balls
TPE acetal
Buna–N Buna–N
1 (not used) 1 (PTFE)
2 (not used) 2 (acetal)
3 (316 sst) 3 (not used)
4 (17–4 PH sst) 4 (440C sst)
5 (TPE) 5 (TPE)
6 (Santoprener) 6 (Santoprener)
7 (Buna–N) 7 (Buna–N)
8 (Fluoroelastomer) 8 (Fluoroelastomer)
9 (polypropylene) 9 (not used)
A (PVDF) A (not used)
G (Geolastr) G (Geolastr)
Diaphragms
TPE
Buna–N
1 (PTFE)
2 (not used)
3 (not used)
4 (not used)
5 (TPE)
6 (Santoprener)
7 Buna–N)
8 (Fluoroelastomer)
9 (not used)
A (not used)
G (Geolastr)