State Pump Tank

Convenient air charge valve. 100 PSI working pressure
Butyl diaphragm ensures permanent separation of air and water.
Steel retaining ring “seals” diaphragm directly to tank shell.
2coat polymer waterside lining, bonded to shell, proven protection
against rust.
Rotating corrosionresistant base assures stability. Rotates for easy
alignment to connection.
Slotted and notched for proper airflow, reduced condensation.
Drawn steel construction
Diaphragm operation Corrosion resistant base Light weight
Rotating Maximum working pressure 100 PSI PreCharged at 25 PSI

Model Number

Volume (Gallons) Connecting NPT Size Dimensions in Inches  Weight (lbs.)
A- Overall Height To Center of Water Inlet B- Diameter

SDX Series Free Standing

SDX-14 14 1 (F) 24-3/4 2-1/4 15-3/8 25
SDX-20 20 1 (F) 32-3/4 2-1/4 15-3/8 30
SDX32 31 1 (F) 45-1/2 2-1/4 15-3/8 40
SDX-36S 36 1-1/4 (F) 32-5/8 2-1/4 20 45
SDX-52 52 1-1/4 (F) 38-5/8 2-1/4 23-3/8 77
SDX-86 86 1-1/4 (F) 59 2-1/4 23-3/8 105
SDX-119 119.5 1-1/4 (F) 61-1/4 2-1/4 26 160

SDX Inline Series

SDX-2 2.0 3/4 (M) 10-316/ 8-1/4 5
SDX-5 4.6 3/4 (M) 14-3/4 11 9
SDX-7 7.3 3/4 (M) 21-1/6 11 12

SDXH Series Horizontal

SDXH-7 7.3 3/4 (M) 12-7/8 21-116/ 11 16
SDXH-14 14.0 1 (M) 17-3/8 21-3/4 15-3/8 25-1/2
SDXH-20 20.0 1 (M) 17-3/8 27-1/8 15-3/8 30

DOCUMENTATION

OUR RANGE OF HOT WATER SYSTEM ACCESSORIES

TW Series Thermal Expansion Tank

State Pump Tank

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