Fuel Station Equipment / Family 04
Underground Fuel Tank Equipment
Compare spill buckets, fuel tank manholes, tank fill adaptors, pressure-vacuum vents and related equipment for suction, safe filling, access and level-probe installation.
01 / Tank valves & venting
Suction, vent and vapour-control equipment
Eight series maintain suction-line prime, control tank breathing and support Stage I or dual-point vapour-return arrangements.
SIMEI FV-100 SeriesDouble-Poppet Foot Valve
Screened brass valve for maintaining prime in tank suction lines.

Double-Poppet Foot Valve
Screened brass valve for maintaining prime in tank suction lines.
Description
Installed at the bottom of a storage-tank suction tube. Double poppets provide redundant prime retention, and the inlet screen limits debris entry.
| Code | Size | Threads | Weight |
|---|---|---|---|
| FV-100-15 | 1-1/2 in | BSP / NPT | 1.6 kg |
| FV-100-20 | 2 in | BSP / NPT | 2.4 kg |
| FV-100-30 | 3 in | BSP / NPT | 5.0 kg |
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SIMEI BFV-100 SeriesBall-Float Vent Valve
Overfill vent restriction for Stage I vapour risers and tank vent lines.

Ball-Float Vent Valve
Overfill vent restriction for Stage I vapour risers and tank vent lines.
Description
Restricts vapour venting at high tank level, helping prevent product mixing and vapour lock caused by a flooded vent. A bleed opening supports delivery-hose drainage after overfill.
| Code range | Length options | Thread |
|---|---|---|
| BFV-100-01-06 | 76 / 130 / 178 / 306 / 408 / 535 mm | 2 in |
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SIMEI VA-100 SeriesExtractor-Vent Adaptor
Cast-iron interface between extractor and ball-float vent valves.

Extractor-Vent Adaptor
Cast-iron interface between extractor and ball-float vent valves.
Description
Purpose-built adaptor connecting the extractor vent body to a compatible 2-inch ball-float vent valve in gravity-drop tank systems.
| Code | Upper interface | Lower interface |
|---|---|---|
| VA-100-01 | 2 in ball-float valve | Extractor vent valve |
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SIMEI XV-100 SeriesExtractor Vent Valve
Serviceable 4-inch tank-opening valve with brass insert cage.

Extractor Vent Valve
Serviceable 4-inch tank-opening valve with brass insert cage.
Description
Fits a 4-inch underground-tank opening. The removable brass cage provides access to the 2-inch float vent for maintenance, testing or vent-line isolation.
| Code | A | B | C | D |
|---|---|---|---|---|
| XV-100-01 | 4 in | 4 in | 3 in | 2 in |
| XV-100-02 | 4 in | 4 in | 3 in | 3 in |
| XV-100-03 | 4 in | 4 in | 2 in | 2 in |
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SIMEI AV-100 SeriesOpen Atmospheric Vent
Always-open aluminium vent cap with screened weather protection.

Open Atmospheric Vent
Always-open aluminium vent cap with screened weather protection.
Description
Mounts at the top of a tank vent pipe. Outward drain paths deter rain entry, while the internal screen limits insects and debris without restricting normal tank breathing.
| Code | Size | Connection |
|---|---|---|
| AV-100-01 | 2 in | Slip-on |
| AV-100-02 | 2 in | NPT female |
| AV-100-03 | 2 in | BSPT female |
| AV-100-04 | 1-1/2 in | Slip-on |
| AV-100-05 | 1-1/2 in | NPT female |
| AV-100-06 | 1-1/2 in | BSPT female |
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SIMEI PV-100 SeriesPressure-Vacuum Vent
Normally closed tank vent for standard and vapour-recovery systems.

Pressure-Vacuum Vent
Normally closed tank vent for standard and vapour-recovery systems.
Description
A normally closed poppet opens at a defined pressure or vacuum. The aluminium weather cap and internal screen protect the vent line from water, debris and insects.
| Code range | Service | Threads |
|---|---|---|
| PV-100-01-03 | Standard pressure-vacuum | NPT / BSPT / BSPP 2 in |
| PV-100-11-13 | Vapour-recovery setting | NPT / BSPT / BSPP 2 in |
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SIMEI VC-100 SeriesVapour Check-Valve Adaptor
4-inch poppet adaptor for dual-point vapour-return risers.

Vapour Check-Valve Adaptor
4-inch poppet adaptor for dual-point vapour-return risers.
Description
Couples the delivery system to a dedicated underground-tank vapour return. The poppet seals the vapour path when disconnected and fits common 4-inch recovery elbows.
| Code | Connection | Material |
|---|---|---|
| VC-100-01 | NPT 4 in female | Anodized aluminium |
| VC-100-02 | BSPT 4 in female | Anodized aluminium |
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SIMEI CV-100 SeriesFlanged Check Valve
Heavy-duty 4-by-4-inch check valve rated to 300 psi.

Flanged Check Valve
Heavy-duty 4-by-4-inch check valve rated to 300 psi.
Description
Serviceable check valve for transfer or tank-interface duties requiring a robust flanged connection and positive spring-assisted closure.
| Code | Connection | Pressure |
|---|---|---|
| CV-100-01 | 4 × 4 in flange | 300 psi / 20 bar |
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02 / Containment & access
Spill containers and manholes
Three containment systems collect delivery spills; two access manholes protect monitoring and service openings at grade.
SIMEI SC-D100 SeriesDouble-Wall Spill Containment
Serviceable primary and secondary containment for 4-inch tank risers.

Double-Wall Spill Containment
Serviceable primary and secondary containment for 4-inch tank risers.
Description
Collects fuel released near fill or vapour-return risers. Primary and secondary sections can be repaired or replaced from grade without breaking surrounding concrete.
| SIMEI code | Riser thread | Cover |
|---|---|---|
| SC-D100-01 | NPT 4 in | Cast iron |
| SC-D100-02 | BSPT 4 in | Cast iron |
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SIMEI SC-T100 Series5-Gallon Thread-On Spill Container
Direct-thread installation with rain-shedding cover and drain valve.

5-Gallon Thread-On Spill Container
Direct-thread installation with rain-shedding cover and drain valve.
Description
Threads directly onto a new 4-inch fill or vapour riser. Flexible bellows accommodate ground movement, while the integral valve drains captured product back to the tank.
| Code | Riser | Cover |
|---|---|---|
| SC-T100-01 | NPT 4 in | Cast iron |
| SC-T100-02 | NPT 4 in | Aluminium |
| SC-T100-03 | BSPT 4 in | Cast iron |
| SC-T100-04 | BSPT 4 in | Aluminium |
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SIMEI SC-G100 Series5-Gallon Grade-Level Spill Container
Traffic-protected container with flexible shell and composite cover.

5-Gallon Grade-Level Spill Container
Traffic-protected container with flexible shell and composite cover.
Description
Flexible polyethylene shell, cast-iron base and protective deflector ring. A screened push-open drain returns captured product to the underground tank.
| Code | Riser | Standard cover |
|---|---|---|
| SC-G100-01 | NPT 4 in | PA66 composite |
| SC-G100-02 | BSPT 4 in | PA66 composite |
| SC-G100-CI | NPT / BSPT 4 in | Cast-iron option |
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SIMEI MW-100 SeriesMonitoring-Well Manhole
Bolt-down, watertight restricted-access cover for test wells.

Monitoring-Well Manhole
Bolt-down, watertight restricted-access cover for test wells.
Description
Heavy-duty access assembly designed to prevent driveway water and washdown contamination from entering a monitoring well. Recessed stainless bolts and O-rings secure the cover.
| Code | Diameter | Skirt depth | Weight |
|---|---|---|---|
| MW-100-08 | 8 in / 203 mm | 13 in / 330 mm | 8 kg |
| MW-100-10 | 10 in / 254 mm | 12 in / 305 mm | 11 kg |
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SIMEI MH-100 SeriesComposite Access Manhole
Lightweight, slip-resistant 16-inch cover exceeding H20 wheel load.

Composite Access Manhole
Lightweight, slip-resistant 16-inch cover exceeding H20 wheel load.
Description
Composite access manhole using homogeneous glass-fibre reinforcement and a UV-resistant surface. The lid is about 50% lighter than a conventional steel cover.
| Code | Closure | Protection |
|---|---|---|
| MH-100-01 | Lay-in cover | Weather resistant |
| MH-100-02 | Bolt-down cover | Water resistant |
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03 / Fuel delivery interface
Fill adaptors and sealing caps
Top-seal and side-seal interfaces connect the delivery elbow to the tank fill riser, then close the riser against vapour, water and debris.
SIMEI FA-T100 SeriesTop-Seal Fill Pipe Adaptor
Bronze 4-inch adaptor for gravity drop delivery elbows.

Top-Seal Fill Pipe Adaptor
Bronze 4-inch adaptor for gravity drop delivery elbows.
Description
Installed within the spill container on the fill riser. Integral internal wrenching lugs simplify installation in confined space, and the bronze body resists corrosion.
| Code | Delivery elbow | Riser |
|---|---|---|
| FA-T100-01 | 4 in top-seal | NPT 4 in |
| FA-T100-02 | 4 in top-seal | BSP 4 in |
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SIMEI FA-S100 SeriesSide-Seal Fill Pipe Adaptor
Bronze adaptor for 3- or 4-inch side-seal drop elbows.

Side-Seal Fill Pipe Adaptor
Bronze adaptor for 3- or 4-inch side-seal drop elbows.
Description
Connects the fuel-delivery drop elbow to a 4-inch tank fill riser. A nitrile gasket provides a secure seal and the bronze construction resists corrosion.
| Code | Drop elbow | Riser |
|---|---|---|
| FA-S100-03 | 3 in side-seal | NPT / BSP 4 in |
| FA-S100-04 | 4 in side-seal | NPT / BSP 4 in |
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SIMEI FC-T100 SeriesTop-Seal Fill Cap
Lockable PA66 cap for 4-inch top-seal fill adaptors.

Top-Seal Fill Cap
Lockable PA66 cap for 4-inch top-seal fill adaptors.
Description
Closes a top-seal fill adaptor when not filling. The toggle lever compresses the gasket evenly to limit vapour escape and block water, dust and debris.
| Code | Interface | Closure |
|---|---|---|
| FC-T100-01 | 4 in top-seal | Toggle lever |
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SIMEI FC-S100 SeriesSide-Seal Fill Cap
Push-fit side-seal cap with T-handle and positive locking.

Side-Seal Fill Cap
Push-fit side-seal cap with T-handle and positive locking.
Description
Prevents vapour escape and contamination through an idle side-seal fill riser. The T-handle enables quick operation; stainless latches and padlock capability secure closure.
| Code | Interface | Handle |
|---|---|---|
| FC-S100-01 | 4 in side-seal | T-handle |
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04 / Tank monitoring
Liquid-level probe installation
A sealed suspension interface protects the probe and cable while maintaining reliable access for inspection.
SIMEI PK-100 SeriesProbe Installation Kit
Adjustable 4-inch suspension kit for underground-tank level probes.

Probe Installation Kit
Adjustable 4-inch suspension kit for underground-tank level probes.
Description
Suspends a liquid-level probe from a 4-inch riser without twisting the probe or cable. The sealed, strain-relieved arrangement works with steel or fibreglass tanks and permits later inspection.
| Code | Riser thread | Installation |
|---|---|---|
| PK-100-01 | NPT 4 in | Suspended probe |
| PK-100-02 | BSPT 4 in | Suspended probe |
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Technical selection
Send the tank-riser, fill system and load requirement.
We will confirm the SIMEI series, NPT or BSPT interface, cover material, access size and compatible fill-cap or probe arrangement.
