State G-42-S User Manual
Revised March 2011
©2011 State Industries
PUMP
TA N KS
™
PUMP MATE
PRE-PRESSURIZED DIAPHRAGM OPERATION
5-YEAR LIMITED WARRANTY
State Industries Pump Mate tanks are designed for installation flexibility and years of trouble-free service. Smooth,
dependable diaphragm design and operation provides precise
control of system operation cycles. Free-standing and in-line
vertical tanks are available, as well as horizontal tanks with
universal pump mounting bracket. Every State Pump Mate
tank is made in the U.S.A.
Higher Drawdown Than
Competition!
Convenient Air Charge Valve.
Butyl Diaphragm ensures
permanent separation of air
and water. Steel retaining
ring “seals” diaphragm
directly to tank shell.
The industry's most popular “standard” tank sizes are
44-gallon. Pump Mate offers 52-gallon tanks in the same
price range. So, a 52-gallon Pump Mate delivers 12%
higher drawdown than the industry standard. A 52-gallon
Pump Mate delivers 18% higher drawdown than standard!
In-Line Tanks
SPMDI Series tanks, available in 2, 4.6,
7.3 and 14-gallon sizes, are designed to
be supported by system piping (See
Typical Installations, page 4).
2-coat polymer water-side
lining, bonded to shell,
proven protection
against rust.
Rotating corrosion-resistant base
assures stability. Rotates for
easy alignment to connection.
Slotted and notched for proper
airflow, reduced condensation.
PRE-PRESSURIZED PUMP TANK OPERATION CYCLES
38 PSI
50 PSI
28 PSI
40 PSI
Start-up Cycle*
Diaphragm is pressed against
the bottom of the chamber.
* Based on 30-50 PSI operating system.
2
Fill Cycle*
Water is pumped into the reservoir, which forces the diaphragm
upward into the air chamber.
Hold Cycle*
Pump-cutoff pressure is attained.
Diaphragm reaches its uppermost
position. Reservoir is now filled to
its rated capacity.
Delivery Cycle*
Pump remains shut off while air
pressure in top chamber forces
diaphragm downward, delivering
water to syste m.
PUMP
TA N KS
™
PUMP MATE
PRE-PRESSURIZED DIMENSIONS AND WEIGHTS
Dimensions in Inches
SPMD
Series
Free
Standing
SPMDI
Series
In-Line
SPMDH
Series
Horizontal
Model Number
SPMD-14
SPMD-20
SPMD-31
SPMD-36S
SPMD-52
SPMD-86
SPMD-96
SPMD-119
SPMDI-2
SPMDI-5
SPMDI-7
SPMDH-7
SPMDH-14
SPMDH-20
Vol um e
(Gallons)
14.0
20.0
31.0
36.0
52.0
86 59
96.0
119.5
2.0
4.6
7. 3
7. 3
14.0
20.0
“A”
Overall
Height
243⁄
323⁄
451⁄
325⁄
385⁄
633⁄
611⁄
103⁄
143⁄
211⁄
127⁄
173⁄
173⁄
4
4
2
8
8
8
4
16
4
16
8
8
8
“B” To
Center of
Water Inlet
21⁄
21⁄
21⁄
21⁄
21⁄
21⁄
21⁄
21⁄
—
—
—
211⁄
213⁄
271⁄
SPMD-14, SPMD-20, SPMD-36S connection 1" Female.
SPMD-52, SPMD-86, SPMD-96, SPMD-119 connection 1-1⁄4" Female.
SPMDI connection3⁄4" Male. • SPMDI-14 1" male.
SPMDH-7 connection3⁄4" Male. * SPMDH-14, SPMDH-20 connection 1" Male.
4
4
4
4
4
4
4
4
16
4
8
Diameter
153⁄
153⁄
153⁄
233⁄
233⁄
233⁄
81⁄
153⁄8251⁄
153⁄
Weight
“C”
(Lbs.)
8
8
8
20
8
105
8
8
26 160
4
11 9
11 12
11
8
25
30
40
45
77
111
5
16
2
30
3
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