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24 308443
Pump Matrix
Husky 1040 Acetal, Polypropylene, and PVDF 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, acetal fluid section, polypropylene seats, PTFE balls, and PTFE diaphragms is
Model
D 7 1 9 1 1. To order replacement parts, refer to the part lists on pages 26 to 27. The digits in the matrix
do not correspond to the ref. nos. in the parts drawing and lists.
Diaphragm
Pump Air Motor Fluid Section – Seats Balls Diaphragms
D (for all pumps) 7 Aluminum
(standard)
1 (acetal) – 1 (not used) 1 (PTFE) 1 (PTFE)
8 Aluminum
(remote)
2 (polypropylene) – 2 (acetal) 2 (acetal) 2 (not used)
R SST (standard) 3 (not used) – 3 (316 sst) 3 (316 sst) 3 (not used)
S SST (remote) 4 (not used) – 4 (17–4 PH sst) 4 (440C sst) 4 (not used)
5 (PVDF) – 5 (TPE) 5 (TPE) 5 (TPE)
– 6 (not used) 6 (Santoprener) 6 (Santoprener)
– 7 (buna–N) 7 (buna-N) 7 (buna-N)
– 8 (fluoroelastom-
er)
8 (fluoroelastom-
er)
8 (fluoroelastom-
er)
– 9 (polypropylene) 9 (not used) 9 (not used)
– A (PVDF) A (not used) A (not used)
– G (not used) G (Geolastr) G (Geolastr)
246450 Stainless Steel Air Motor Conversion Kit
Use kit 246450 and refer to instruction manual 309643 (included with kit) to convert from aluminum air motor to
stainless steel air motor.