The Platinum Series• Larger tank sizes provide more

drawdown and improves pumpperformance.

• Butyl Rubber Parabolic Diaphragm - Prevents rubbing on tank wall orrolling over on itself.

• Direct connect diaphragm sealprevents any leakage between waterand air chambers.

• Powder coated water chamberprovides maximum protectionagainst corrosion.

• Projection welded air valve with “O” ring capseal for double protection.

• Exclusive no-weld RUST-GUARD™ base design assures proper paint coverage in the base area.

• Two-piece construction (on many models) reduces welds on tanks.

• Ultra-UV exterior powder finish offers the ultimate protection against the elements.

• 5-year warranty

MADE IN THE U.S.A.

www.wstanks.com

THIS TANK HAS BEEN FACTORY PRE-CHARGEDCONSULT MANUAL FOR PROPER SETTINGS

THIS TANK HAS BEEN FACTORY PRE-CHARGEDCONSULT MANUAL FOR PROPER SETTINGS

THIS TANK HAS BEEN FACTORY PRE-CHARGEDCONSULT MANUAL FOR PROPER SETTINGS

THIS TANK HAS BEEN FACTORY PRE-CHARGEDCONSULT MANUAL FOR PROPER SETTINGS

PPMBR00206 R May 2014 Platinum Brochure_Layout 1 7/9/14 8:09 PM Page 2

Features and BenefitsAir Charge Valve• Metal air valve with “O” ring cap seal for added protection• Projection welded

Powder Coated Exterior• Provides positive protection against corrosion• An attractive addition to any home• High UV resistance• Certified to ASTM Automotive Salt Test Standards

Butyl Rubber Parabolic Diaphragm• Eliminates rubbing the tank wall or rolling over on itself• Strong and flexible with smooth operation for long life

Double Draw Uniweld Design allows two piece construction

Interior Powder Coating• Powder coating permanently bonded to the shell• Proven protection against internal corrosion• Eliminates clinch rings and plastic liners

Exclusive no-weld RUST-GUARD™ Steel Base• Eliminates weld in the base area• Reduces corrosion in the base or lower tank

NSF 61G/372 lead free galvanized elbow

Pre-pressurized • Lightweight drawn-steel construction • Steel base • 100 PSI maximum working pressure

Diaphragm Pump Tanks

Positive Diaphragm SealSeals diaphragm directly to shell, ensuringpermanent separation of water and air. Noliners needed.

Diaphragm

Steel Shell

Steel Retaining Ring

Powder Coating

Page 2 of 4

Universal Pump Mounting BracketStandard on horizontal models.Optional on other models.

part no. 205366-000

PPMBR00206 R May 2014 Platinum Brochure_Layout 1 7/9/14 8:10 PM Page 3

If proper tank selection cannot be made using Chart 1, followthis procedure. First, find the “drawdown multiplier” bymatching the pump start-up and shut-off pressures on Chart 2.For example, the multiplier for a 30-50 PSI pressure range is .31.

Next, insert the pump GPM capacity and desired minimumrun time into this formula:

To assume dependable drawdown volumes, and in keepingwith present industry practice, drawdowns are based onBoyle’s Law. For example, using a 10 GPM pump, a one-minute

minimum run time, and a 30-50 PSI pressure range, the formulais as follows:

Then, using Chart 3, select the tank that has a minimumvolume that meets or exceeds your minimum volumerequirement and supplies adequate drawdown at the requiredpressure range. Minimum drawdown equals Pump GPM XMinimum Run Time. Therefore, in the above example, selectthe SBD-36S 36-gallon tank. It provides adequate drawdown at30-50 PSI.

SizingThe charts below allow you to easily select the right Perma-Air SBD Series tank for standard-size pumps between 2-1/2and 30 gallons in capacity and for 20-40 PSI, 30-50 PSI and40-60 PSI pressure ranges. Minimum run times shown (from

start-up) are 1 minute, 1-1/2 minutes and 2 minutes. Forexample, for a system that delivers 10 GPM at 30-50 PSI,with a minimum run time of 1 minute, Chart 1 indicates thatthe proper tank is the SBD-36S.

2.5

5

7

10

12

15

20

25

30

PAD-14

PAD-14

SBD-20

SBD-36S

SBD-36S

SBD-52

SBD-65

SBD-86

SBD-86

PAD-14

SBD-20

SBD-36S

SBD-52

SBD-52

SBD-65

SBD-86

SBD-119

(2)SBD-86

PAD-14

SBD-36S

SBD-52

SBD-86

SBD-65

SBD-86

SBD-119

(2)SBD-86

(2)SBD-86

PAD-14

SBD-20

SBD-36S

SBD-36S

SBD-52

SBD-52

SBD-65

SBD-86

SBD-119

PAD-14

SBD-36S

SBD-36S

SBD-52

SBD-65

SBD-65

SBD-119

(2)SBD-86

(2)SBD-86

SBD-20

SBD-36S

SBD-52

SBD-86

SBD-86

SBD-119

(2)SBD-86

(2)SBD-86

(2)SBD-119

PAD-14

SBD-20

SBD-36S

SBD-52

SBD-52

SBD-65

SBD-86

SBD-96

SBD-119

SBD-20

SBD-36S

SBD-52

SBD-86

SBD-65

SBD-65

SBD-119

(2)SBD-86

(2)SBD-96

SBD-20

SBD-52

SBD-86

SBD-86

SBD-96

SBD-119

(2)SBD-86

(2)SBD-96

(2)SBD-119

System Pressure Ranges (PSI)

30-5020-40

1.51 2 1.51 2 1.51 2

40-60

Minimum Run Times (Minutes)

PumpGPM

20

30

40

50

60

70

80

90

100

.26

.41 .22

.37

.46

.18

.31

.4

.47

.15

.27

.35

.42

.48

.13

.24

.32

.38

.44

.12

.21

.29

.35

.11

.19

.26

.10

.17

Pump Shutoff

Pressure(PSI

10 20 807060504030

Pump Start-Up Pressure (PSI)

Model No. Volume inGallons

20-40 30-50 40-60

PIL-2

PIL-5

PIL-7

PIL-14

SBD-14

SBD-20

SBD-32

SBD-36S

SBD-52

SBD-65

SBD-86

SBD-96

SBD-119

2.0

4.6

7.3

14.0

14.0

20.0

32.0

36.0

52.0

65.0

86.0

96.0

119.5

0.7

1.7

2.7

5.2

5.2

7.4

11.5

13.3

19.2

24.0

31.8

35.5

44.2

0.6

1.4

2.3

4.3

4.3

6.2

9.6

11.2

16.1

20.0

26.7

29.8

37.0

–

–

–

3.8

3.8

5.4

8.4

9.7

14.0

17.5

23.2

25.9

32.3

M

Chart 1 – SBD Series Free-Standing Tank Selection Chart

Chart 2 – Drawdown Volume Multiplier (Approximate) Chart 3 – Drawdown in Gallons

Pump GPM x Min. Run TimeMultiplier

Minimum TankVolume Required=

10 x 1.31

MinimumTank Volume= 32.26

Diaphragm Pump Tanks

Page 3 of 4

PPMBR00206 R May 2014 Platinum Brochure_Layout 1 7/9/14 8:10 PM Page 4

SBD Series (Free-Standing)

Model No. Volume (Gals.) “A” Overall Height(inches)

“B” Center of Water Inlet to Bottom of

Tank (inches)

“C”Diameter(inches)

Weight(Lbs.)

PIL Series (In-Line)

PIL-2

PIL-5

PIL-7

PIL-14

2

4.6

7.3

14

SBD-20

SBD-32

SBD-36S

SBD-52

SBD-65

SBD-86

SBD-96

SBD-119

20

31

36

52

65

86

96

119.5

10 3/16

14 3/4

21 1/8

21 3/4

32 3/4

45 1/2

32 5/8

38 5/8

46.6

59

63 3/8

61 1/4

–

–

–

–

2 1/4

2 1/4

2 1/4

2 1/4

2 1/4

2 1/4

2 1/4

2 1/4

8 1/4

11

11

15 3/8

15 3/8

15 3/8

20

23 3/8

23 3/8

23 3/8

23 3/8

26

5

9

14

22

30

40

45

77

87

105

111

165

2

ModelNumber

Volume(Gals.)

Weight(Lbs.)

Dimensions in InchesA B C

PADH SeriesPADH-7

PADH-14

PADH-20

7.3

14

20

12 5/8

17 3/8

17 3/8

21 1/8

21 3/4

27 1/8

11

15 3/8

15 3/8

16

25 1/2

30

Volume, Dimension and Weight Specifications

SBD-20. SBD-32 amd SBD-36S 1” female connection.SBD-52, SBD-65, SBD-86, SBD-96, SBD 119 connection 1-1/4” female connectionPIL connection 3/4” Male connectionPIL-14 – 1” Female connection

SBD Free-Standing SeriesThe standard front-entry installation. Gauge, relief valve and pressure switch are installed in front of tank.

The pump can be mounted on the tankusing a universal mounting base. Thepump can be attached to the top ofeither a vertical or horizontal tank. Forinstallation convenience, the horizontalseries is available with pump mount andlegs factory installed.

SBD Free-Standing Serieswith Pump Mounted on Tank*

*Pump mount bracket available. (Part # 205366-000)

A. O. Smith reservers the right to make product changes orimprovements at any time without notice.

C

A

A

C

BWATER CONNECTION

A

B

C

71/441/2

In-Line Model(PIL)

©2014 A.O. Smith Water Systems Printed in U.S.A. PPMBR00206 R July 2014

Diaphragm Pump Tanks

For more information on Perma Tank, contact:Water Systems - An A. O. Smith Company500 Tennessee Waltz Parkway Ashland City, TN 37015800-365-4300 www.wstanks.com

Single InstallationMultiple Installation

To System PressureSwitch

From WellUnion

Drain

Horizontal

PressureRelief Valve

Vertical

Drain

Union

PressureSwitch

To System

From Well

Pressure Relief Valve

PPMBR00206 R May 2014 Platinum Brochure_Layout 1 7/9/14 8:09 PM Page 1