AST EQUIPMENT

OPW AST Equipment

AST EQUIPMENT
MORRISON BROTHERS
OPW
UNIVERSAL VALVE
FRANKLIN FUELING (EBW)
AST SYSTEM DIAGRAMS

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OPW manufactures a broad array of aboveground storage tank equipment and fuel management equipment for fleet fueling and diesel engine generator/oil-fired boiler applications.

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Call National Petroleum Equipment:
1-800-752-5973

Spill Containment

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Pomeco/OPW 331AST, 332AST Direct-Fill Above Ground Storage Tank Spill Containers

POMECO/OPW Remote-Fill AST Spill Containers are designed to prevent spilled product from entering soil near the remote, horizontal-fill and vapor return connections on an aboveground storage tank during normal tank filling operation. The spill containers catch spillage to help prevent soil contamination and groundwater pollution. POMECO/OPW Remote-Fill AST Spill Containers slip on the remote-fill and vapor return piping connected to an aboveground tank. Compatible with methanol, ethanol, jet and AV-Gas fuels.

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Ordering Specifications

Product # Description liter
331-ASTW74 Welded, 7 gallon, 4" NPT Welded, 26.4 liter, 4" NPT
331-ASTW76 Welded, 7 gallon, 6" NPT Welded, 26.4 liter, 6" NPT
332-ASTW74 Spun, 7 gallon, 4" NPT Spun, 26.4 liter, 4" NPT
332-ASTW76 Spun, 7 gallon, 6" NPT Spun, 26.4 liter, 6" NPT

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Pomeco/OPW 211-RMOT Remote-Fill Above Ground Storage Tank Fill Containers

POMECO/OPW Remote-Fill AST Spill Containers are designed to prevent spilled product from entering soil near the remote, horizontal-fill and vapor return connections on an aboveground storage tank during normal tank filling operation. The spill containers catch spillage to help prevent soil contamination and groundwater pollution. POMECO/OPW Remote-Fill AST Spill Containers slip on the remote-fill and vapor return piping connected to an aboveground tank. Compatible with methanol, ethanol, jet and AV-Gas fuels.

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Tank Gauges

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OPW 200TG AST Mechanical Tank Gauge

The OPW 200TG Tank Gauge is designed for reading liquid levels in horizontal or vertical aboveground storage tanks. The 200TG Tank Gauge provides an accurate numerical counter readout, eliminating the need for any on-site manual gauging.

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Product # Description lb. kg
CARB APPROVED AST EQUIPMENT
200TG-ENG English Unit Tank Gauge up to 18 ft. 7.75 3.52
200TG-ENG40 English Unit Tank Gauge - 40 ft. 7.75 3.52
200TG-MET Metric Unit Tank Gauge up to 6 m 7.75 3.52
200TG-MET40 Metric Unit Tank Gauge - 10 m 7.75 3.52


Tank Alarms

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OPW 444TA AST Four Signal Tank Alarm and 144TA AST Liquid Level Tank Alarm

The OPW AST remote Four Signal Tank Alarm is designed to sense up to four different liquid levels or other signals using just one device.

The OPW 144TA Tank Alarm is designed for liquid level sensing.

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CARB APPROVED AST EQUIPMENT
Product # Description lb. kg
444TA-0100* Four Signal Tank Alarm Box, No Float Switches 4 1.8
44TA-LLFS* 36" Liquid-Level Float Switch Sub-Assembly 0 0
144TA-0100 Single Channel Liquid Level Tank Alarm 4 1.8
TGTA-0400 4" Tank Bung Gauge and Alarm Combo Fitting
(OPW 61T required for use)
10 4.5

Valves

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OPW 199ASV Anti-Siphon Valve

The OPW 199ASV Anti-Siphon Valve is designed to help prevent siphoning of an aboveground storage tank should a leak or break occur in the fuel supply line. The 199ASV installs on the top of an aboveground storage tank with a suction rod on the inlet and the fuel supply line (to a remote pump) on the outlet of the valve. A poppet in the valve remains normally closed, isolating the tank from siphoning. When the remote pump is activated, it overcomes a factory-adjusted spring set to a predetermined hydrostatic head pressure and allows flow of fuel out of the AST. An internal pressure relief valve helps absorb thermal expansion in the fuel supply line. The 199ASV is available in female NPT threads with four different factory-adjusted hydrostatic head pressure settings.

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Product # in. mm lbs. kgs Hydrostatic Head Pressure*
(Dimension A)
199ASV-1075 3/4 19 1.6 .725 0'-5'
199ASV-2075 3/4 19 1.6 .725 5'-10'
199ASV-3075 3/4 19 1.6 .725 10'-15'
 
199ASV-1100 1 25 1.6 .725 0'-5'
199ASV-2100 1 25 1.6 .725 5'-10'
199ASV-3100 1 25 1.6 .725 10'-15'
 
199ASV-1150 1-1/2 38 2.0 .907 0'-5'
199ASV-2150 1-1/2 38 2.0 .907 5'-10'
199ASV-3150 1-1/2 38 2.0 .907 10'-15'
 
199ASV-1200 2 51 2.0 .907 0'-5'
199ASV-2200 2 51 2.0 .907 5'-10'
199ASV-3200 2 51 2.0 .907 10'-15'

*Note: Head Pressure calculated for gasoline.

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OPW 821 Solenoid Valve

The OPW 821 Solenoid Valve is designed to prevent accidental siphoning of aboveground storage tanks if a leak or break occurs in the fuel supply line. The 821 valve is a two-way, normally closed diaphragm valve that opens when energized to allow fuel to flow to the pump or dispenser. Available in female NPT threads.

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Product # NPT Size General Purpose *CV Flow Fluid Temp. Operating Pressure
Differential (PSI)
Operating Pressure
Differential (BAR)
Weight Mounting Position
in. mm Min. Max. Min. Max. lbs. kg
821-0075AC 3/4 19 AC 5.1 125 0 50 0 3.4 2.75 1.25 Any Position
821-0100AC 1 25 AC 21 125 0 25 0 1.7 5.25 2.38 Upright & Vertical
821-0150AC 1-1/2 38 AC 35 125 0 25 0 1.7 7.25 3.29 Upright & Vertical
821-0200AC 2 51 AC 60 125 0 25 0 1.7 7.25 3.29 Upright & Vertical

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OPW Full Port Two-Way Ball Valve

OPW Ball Valves are used throughout fueling systems where a shut-off point is desirable to isolate a section of the piping system. These full-port, forged brass valves feature a manual open-close arm and a quick quarter-turn handle, allowing easy shut down of your AST or UST system. Compatible with gasoline, alcohol fuels, diesel and MTBE, E85 & M85. Available with Lockable Handle (LH).

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Model # Size Dimensions (in.)
A B C D
21BV-0050 1/2" 0.59 2.28 1.81 3.35
21BV-0075 3/4" 0.78 2.51 2.36 4.29
21BV-0100 1" 0.98 2.97 2.52 4.29
21BV-0150 1-1/2" 1.57 3.87 2.72 5.63
21BV-0200 2" 1.96 4.29 3.03 5.63
21BV-0200SS* 2" 1.96 4.80 3.66 7.09
21BV-0300 3" 3.15 6.10 5.12 8.35
*SS denotes Stainless Steel.
202233 Lockable Handle Kit for 1/2" Model
202234 Lockable Handle Kit for 3/4" and 1" Models
202235 Lockable Handle Kit for 1-1/2" and 2" Models

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OPW 178S Series External AST Emergency Shut-Off Valve

The OPW 178S Series External AST Shut-Off Valve is designed to shut off product flow from an aboveground storage tank, bulk loading rack or any place in the fuel supply line in the event of a fire. The 178S installs in-line on fuel supply piping. A fusible link attached to a spring-operated lever holds the poppet normally open. In the event of a fire, the fusible link melts at 160F, allowing the spring-actuated poppet to shut off the flow of product in the fuel supply line. The 178S is available in 2" female NPT connections.

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Product # in. mm lbs. kg
178S-6130 2 51 5.35 2.43

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OPW Swing Check Valves

The OPW Swing Check Valves are designed to allow one-way product flow in fuel supply lines. OPW Swing Check Valves are installed in-line on fuel supply or transfer piping. A free-swinging poppet in the valve opens with flow of product and closes to prevent back-flow. The swing check valves can be located in either horizontal or vertical piping. The 175 is available in 2" female NPT connections. The 175B is similar to the 175 except it has an internal pressure relief valve to help absorb thermal expansion in the fuel supply or transfer line, pressure relief set at approx. 25 psi (1.7 bar). The 1175 is available in 3" female NPT connections.

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Product # in. mm lbs kg
175-0044 2 51 4.7 2.14
175B-1544 2 51 4.6 2.10
1175-0050 3 76 16.8 7.60

Vents

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523V Pressure Vacuum Vent

Pressure Vacuum Vents are installed on the top of vent pipes from underground or aboveground fuel storage tanks. The vent cap and internal wire screen are designed to protect the tank vent lines against intrusion and blockage from water, debris or insects. A normally closed poppet in the valve opens at a predetermined pressure or vacuum setting to allow the tank to vent.

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Product # Description Identification Label Color lb. kg
523V-1100 2" 8 oz pres., 1/2 oz. Vac. Thread-On Red 1.65 .75
523V-1150 2" 8 oz pres., 1/2 oz. Vac. Slip-On Red 1.65 .75
523V-3100 3" 8 oz pres., 1/2 oz. Vac. Thread-On Red 3.2 1.45
523V-3150 3" 8 oz pres., 1/2 oz. Vac. Slip-On Red 3.2 1.45
523V-2300 2" 12 oz pres., 1/2 oz. Vac. Thread-On Blue 1.65 .75
523V-2350 2" 12 oz pres., 1/2 oz. Vac. Slip-On Blue 1.65 .75
523V-2200 2" 1 oz pres., 1/2 oz. Vac. Thread-On Silver 1.65 .75
523V-2250 2" 1 oz pres., 1/2 oz. Vac. Slip-On Silver 1.65 .75
523V-3200 3" 1 oz pres., 1/2 oz. Vac. Thread-On Silver 3.2 1.45
523V-2203 2" 3" WC pres., 8" WC Vac. Thread-On Yellow 1.65 .75
523V-2253 2" 3" WC pres., 8" WC Vac. Slip-On Yellow 1.65 .75
523V-3203 3" 3" WC pres., 8" WC Vac. Thread-On Yellow 3.2 1.45
523V-3253 3" 3" WC pres., 8" WC Vac. Slip-On Yellow 3.2 1.45

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523SA Adaptor Bushings

The 523SA Series Adaptor Bushings are designed to thread into the base of 2" threaded 523V vents.  The adaptor bushings convert a 2" 523V to 3" threaded, 2" slip-on or 3" slip-on connection.

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Product # Description in. mm lb. kg
523A-1003 3" Thread-On Adaptor for use with 523V Pressure / Vacuum Vents 2 x 3 51 x 76 .47 .213
523SA-1003 3" Slip-On Adaptor for use with 523V Pressure / Vacuum Vents 2 x 3 51 x 76 .63 .286
523SA-1002 2" Slip-On Adaptor for use with 523V Pressure / Vacuum Vents 2 x 2 51 x 51 .31 .141

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201 Emergency Vents

The OPW 201 Emergency Vent is designed to prevent an aboveground storage tank from becoming over-pressurized by providing high-capacity venting in the event of a fire or blockage of the OPW 23, 113, 523V, or 623V. The 201 is a weighted, mushroom-style emergency vent. When the AST builds pressure, the weighted cast iron lid is forced up off its seat to relieve the pressure. When pressure is relieved, the lid lowers and is automatically reset. The appropriate 201 Series vent is determined by the emergency venting capacity requirements of the AST and the type of connection at the tank's emergency vent opening. The OPW 201 Emergency Vent is available in 4", 6" and 8" openings with female NPT, male NPT or flanged connections (8") to allow for easy installation in new or existing aboveground tanks. Various lid pressure settings determine the initial venting of the valve.

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Pressure Mounting

A

B

Weight

Model #

in.

mm

Setting

Connection

in.

mm

in.

mm

lbs.

kg

201-4080 4 102 8 oz. Female NPT 5-5/8 143 5-1/4 133 9.2 4.2
201-6080 6 152 8 oz. Female NPT 6-7/8 175 7-3/4 197 18.5 8.4
201-8080 8 203 8 oz. Female NPT 7-5/8 193 10 254 33.5 15.2
201M-4081 4 102 8 oz. Male NPT 5-7/8 143 5-3/4 133 9.2 4.2
201M-6081 6 152 8 oz. Male NPT 6-7/8 175 7-3/4 197 18.9 8.6
201M-6161 6 152 16 oz. Male NPT 7-7/8 200 8-7/8 225 34.9 15.8
201M-8081 8 203 8 oz. Male NPT 7-5/8 193 10 254 33.8 15.3
201F-8085 8 203 8 oz. Flanged 4-7/8 125 13-1/2 343 42.8 19.4

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301 Emergency Vents

The OPW 301 Emergency Vent is designed to prevent an aboveground storage tank from becoming over-pressurized by providing high-capacity venting in the event of a fire or blockage.The 301 is a weighted, mushroom-style emergency vent. When the AST builds pressure, the weighted cast iron lid is forced up off its seat to relieve the pressure. When pressure is relieved, the lid lowers and is automatically reset. The appropriate 301 Series vent is determined by the emergency venting capacity requirements of the AST and the type of connection at the tank’s emergency vent opening. The OPW 301 Emergency Vent is available in 4", 6", 8" ansd 10" openings with female NPT, male NPT or flanged connections (8"-10") to allow for easy installation in new or existing aboveground tanks. Various lid pressure settings determine the initial venting of the valve.

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Pressure Mounting

A

B

Weight

Model #

in.

mm

Setting

Connection

in.

mm

in.

mm

lbs.

kg

301-3080

3

76

8 oz.

Female NPT

4.7

119.4

5.1

129.5

6.7

3

301M-3081

3

76

8 oz.

Male NPT

4.7

119.4

5.1

129.5

6.7

3

301-3160

3

76

16 oz.

Female NPT

5.7

144.8

5.1

129.5

11.4

5.2

301M-3161

3

76

16 oz.

Male NPT

5.7

144.8

5.1

129.5

11.4

5.2

301-4080

4

101.5

8 oz.

Female NPT

4.9

124.5

6.1

154.9

10.6

4.8

301M-4081

4

101.5

8 oz.

Male NPT

4.9

124.5

6.1

154.9

10.6

4.8

301-4160

4

101.5

16 oz.

Female NPT

6.1

154.9

6

152.4

18.1

8.2

301M-4161

4

101.5

16 oz.

Male NPT

6.1

154.9

6

152.4

18.1

8.2

301-6080

6

152

8 oz.

Female NPT

5.9

149.9

8.1

205.7

20.9

9.5

301M-6081

6

152

8 oz.

Male NPT

5.9

149.9

8.1

205.7

20.9

9.5

301-6160

6

152

16 oz.

Female NPT

7.4

188

8.1

205.7

37.5

17

301M-6161

6

152

16 oz.

Male NPT

7.4

188

8.1

205.7

37.5

17

301-8080

8

203

8 oz.

Female NPT

6.2

157.5

10.1

256.5

33.9

15.4

301M-8081

8

203

8 oz.

Male NPT

6.2

157.5

10.1

256.5

33.9

15.4

301-8160

8

203

16 oz.

Female NPT

7.8

198.1

10.1

256.5

61.9

28

301M-8161

8

203

16 oz.

Male NPT

7.8

198.1

10.1

256.5

61.9

28

301F-8085

8

203

8 oz.

Flange

6.2

157.5

10.1

256.5

41.8

19

301F-8165

8

203

16 oz.

Flange

7.8

198.1

10.1

256.5

70

31.8

301F-1085

10

254

8 oz.

Flange

6.5

165.1

13

330.2

65.2

29.6

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202 Emergency Vents

The OPW 202 Emergency Vent is designed to prevent an aboveground storage tank from becoming over-pressurized by providing full-bore, high-capacity venting in the event of a fire or blockage of the OPW 23, 113, 523V, or 623V. The 202 is a vapor-tight, spring-loaded emergency vent. When the AST builds pressure to 2.5 psi, the spring-loaded lid opens full-bore and discharges vapors upward to relieve the pressure. The lid remains open for inspection to indicate a problem with the normal tank venting, or if a fire has taken place, until manually reset. The appropriate 202 Series vent is determined by the emergency venting capacity requirements of the AST and the type of connection at the tank's emergency vent opening. The OPW 202 Emergency Vent is available in 4", 6", and 8" openings with female NPT connections.

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Model # in. mm lbs. kg
202-0640 4 102 2.05 .95
202-0660 6 152 3.55 1.6
202-0680 8 203 5.1 2.3

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202F Emergency Vents

The OPW 202F Emergency Vent is designed to prevent an aboveground storage tank from becoming over-pressurized by providing full-bore, high-capacity venting in the event of a fire or blockage of the OPW 23, 113, 523V or 623V. The 202F is a vapor-tight, spring-loaded emergency vent. When the AST builds pressure to 2.5 psi (0.17 bar), a break-pin shears and the spring-loaded lid opens full-bore and discharges vapors upward to relieve the pressure. The lid remains open for inspection, to indicate a problem with the normal tank venting or if a fire has taken place, until manually reset. The appropriate 202F Series vent is determined by the emergency venting capacity requirements of the AST and the type of connection at the tank's emergency vent opening. The OPW 202F Emergency Vent is available in an 8" flanged connection to mount directly to a tank manway.  

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Model # in. mm lbs. kg
202F-0600 8 203 5.2 2.4

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514F Utility Tank Vent

OPW Utility Tank Vents are installed directly on the top of aboveground storage tanks or utility tank vent pipes. The vent cap is designed to protect the tank against intrusion of water, debris or insects. A normally closed poppet in the valve opens at a predetermined pressure or vacuum setting to allow the tank to vent.


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Product # in. mm lbs. kg
514F-3050 2 51 .46 .21

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515ML Utility Tank Vent

OPW Utility Tank Vents are installed directly on the top of aboveground storage tanks or utility tank vent pipes.  The vent cap is designed to protect the tank against intrusion of water, debris or insects.  The 515ML incorporates a flame arrestor screen for jurisdictions that require these on tanks.  A normally closed poppet in the valve opens at a predetermined pressure or vacuum setting to allow the tank to vent.

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Product # in. mm lbs. kg
515ML-1030 2 51 1.80 .82

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23 Series Open Atmospheric Vent

Open Atmospheric Vents are installed on the top of vent pipes from underground or aboveground fuel storage tanks. The vent cap and internal wire screen are designed to protect the tank vent lines against intrusion and blockage from water, debris or insects. These vents are always open to the atmosphere and allow any pressure or vacuum in the tank to vent.

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Product # in. mm oz. kg Description
23-0044 1-1/2 38 3.8 .11 Open Vent
23-0033 2 51 4.3 .12 Open Vent

23-0055
3 76 5.0 .14 Open Vent

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OPW 113 Open Atmospheric Utility Vent

OPW 113 Open Atmospheric Utility Vents are installed on the top of aboveground fuel storage tanks.  The vent cap and internal wire screen are designed to protect the tank vent lines against intrusion and blockage from water, debris or insects.  These vents are always open to the atmosphere and allow any pressure or vacuum in the tank to vent.  The 113 vents vapors downward and it is used primarily on diesel, fuel oil, waste oil, and motor oil tanks, but also can be used on a wide variety of aboveground storage tank venting applications.

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Product # in. mm lbs. kg
113-0066 2 51 .88 .40
113-0099 4 102 7.50 3.41

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623V Pressure Vacuum Vent

Pressure Vacuum Vents are installed on the top of vent pipes from underground or aboveground fuel storage tanks. The vent cap and internal wire screen are designed to protect the tank vent lines against intrusion and blockage from water, debris or insects. A normally closed poppet in the valve opens at a predetermined pressure or vacuum setting to allow the tank to vent.

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Product # Description Identification Label Color lb. kg
623V-2203 2.5" to 6" WC Pres., -6" to -10" WC Vac. Thread-On Yellow 1.55 .70
623V-3203 2.5" to 6" WC Pres., -6" to -10" WC Vac. Thread-On Yellow 2.20 1.00

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OPW 61fSTOP "The Stopper" Overfill Prevention Valves

The OPW 61ƒSTOP Overfill Prevention Valve ("The Stopper") is designed to prevent overfilling of aboveground storage tanks by providing a positive shut-off during a pressurized-fill (pump-on fill) delivery.

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Product No. Description A B C D E F G H I J K J
in. cm in. cm in. cm in. cm in. cm in. cm
61ƒSTOP-1000 2" Cyl. Float 3 7.6 10 25.4 2 5.1 9 22.4 3-15/16 10 n/a n/a
61ƒSTOP-100M* 2" Cyl. Float for Methanol 3 7.6 10 25.4 2 5.1 9 22.4 3-15/16 10 n/a n/a
61ƒSTOP-2000 2" Float Arm 3 7.6 10 25.4 1/2 3.8 5-18 22.4 1-31/32 5 6 15.2
61ƒSTOP-200M* 2" Float Arm for Methanol 3 7.6 10 25.4 1/2 3.8 5-18 22.4 1-31/32 5 6 15.2
61ƒSTOP-3050 3" Cyl. Float 3 7.6 10-5/8 27 2 5.1 8 20.3 5-1/8 13 n/a n/a
61ƒSTOP-3050A* 3" Cyl. Float for Aviation or Methanol 3 7.6 10-5/8 27 2 5.1 8 20.3 5-1/8 13 n/a n/a
CARB APPROVED AST EQUIPMENT
61FSTOP-1000T 2" NPT with cylindrical float
7.6 10-5/8 27 2 5.1 8 20.3 5-1/8 13 n/a n/a
61FSTOP-2000T 2" NPT with cylindrical float
7.6 10-5/8 27 2 5.1 8 20.3 5-1/8 13 n/a n/a
61FSTOP-3050T 3" NPT with cylindrical float
7.6 10-5/8 27 2 5.1 8 20.3 5-1/8 13 n/a n/a

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61FT Drop Tube

The OPW 61FT Drop Tube is designed to install on the bottom of the 61ƒSTOP AST Overfill Prevention Valves when a lightweight, longer, lower drop tube is required. Constructed of extruded aluminum, the OPW 61FT is connected to the bottom of the 61ƒSTOP by a clevis and cotter pin assembly, and allows for submerged filling of ASTs.

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CARB APPROVED AST EQUIPMENT
Product # Description
61FT-0206 2" x 6' Drop Tube Kit
61FT-0312 3" x 12' Drop Tube Kit

AST EQUIPMENT HOME

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