Tank Fill & Vent Caps

The Aluminium Fuel Tank Vent Cowl with Flameproof Screen is designed to fit over the male thread on the top of an above group storage tank or breather riser on an underground tank. The integrated flameproof screen makes it suitable for use on storage tanks containing flammable liquids. These vent cowls have a dual female thread that fit both a 1 1/2” or a 2” male thread.

The Aluminium Fuel Tank Vent Cowl is designed to fit over the male thread on the top of an above ground storage tank to provide ventilation. These vent cowls come three lugs for direct fitting, one with an Allan key screw fitting to help secure the cowl to the male thread of the tank.

The Plastic Tank Vent Cap is designed to fit over a 2” male thread on the top of an above ground fuel storage tank or drum to provide ventilation. These fuel tank vent caps are primarily used on heating oil tanks, and come with an additional 1 ½” female top thread that allows them a float gauge to be easily screwed into the top of it.

There is no internal thread on the bottom of this oil tank vent cap, so two screws are provided either side of the cap to allow you to cut into the male thread on the tank and hold it in place.

The Spinsecure Oil Tank Lock is a high quality, self contained lock for use with 2" BSP threads. The locking device fits to standard 2" Fill Point inlets on Oil Tanks and Fuel Tanks, this stops fuel theft from the easiest access point of the tank.  Utilising patented technology, this oil tank locking cap freely spins when the lock is engaged, similar a safety cap on a bottle of medicine. This makes the spinsecure tank lock almost impossible to remove.

Although this tank lock is most commonly used to secure domestic oil tanks, it can be used with any 2" BSP thread. A popular use for this lock is as a fuel tank lock for a Canal boat.

If your tank has a female thread, then a 2" Female to Male thread adapter will be required.

The Stainless Steel Fuel Tank Filler Cap is designed to cap off the fill point on a storage tank, tanker faucet or valve. This robust solution prevents unwanted debris and water from entering into the tank fill point, as well as preventing dripping. This stainless steel fuel tank filler cap comes with lugs either side of the cap to enable easy application and removal.

Please note: This tank fill point cap is supplied as standard with leather seals, making it ideal as a diesel or oil tank cap. PTFE seals are available on request for use with aggressive fluids such as on chemical tanks.

The Brass Fuel Tank Filler Cap is a hardwearing option designed to cap off the fill point of a fuel storage tank or valve. A tank needs a fill point cap to prevent dripping and stop unwanted debris and rain water from entering into the tank. Whilst popular as a diesel or oil tank cap, this brass model can be used for a variety of applications providing that the fluid is compatible. The brass fuel tank filler cap comes with lugs either side of the cap to enable easily application and removal by hand, as well as a sealing washer.

The Spinsecure Tap Lock is a high security lock which fits onto the spout, for securing outdoor taps against tampering, vandalism and theft, to reduce water bills and prevent flooding. The padlock free design has no torque points for crowbar entry and when locked, spins freely and is almost impossible to remove.

This Tap Lock from Spinsecure fits most outdoor taps in gardens, holiday homes, allotments, caravan parks, golf clubs, farms and other unmanned properties and is fitted simply with no sealants, adhesives or tools required. Two magnetic keys come with the Tap Lock which are coded to match the lock and multiple taps on the same property can be keyed alike so that only one key is required for all. Version also available as a handle adaptor for regular tap use – see product images.

The Plastic PRV Tank Vent Valve is a poppet type valve designed to stop fuel vapours from escaping under usual operating conditions. This plastic constructed pressure vacuum vent valve is used on static and mobile fuel storage tanks, and comes with a sealing ‘o’ring and metal stem.

The Metal PRV Tank Vent Valve has an integrated poppet type valve designed to prevent fuel vapours from escaping under normal operating conditions. This Teflon coated aluminium pressure vacuum vent valve is fitted on top of risers on stage 1B vapour recovery systems and static tanks.

The Fuel Tank Vent Cap is to be used on an above ground fuel storage tank’s 2” male thread to provide ventilation. These vent caps, which are designed to be fitted on to heating oil storage tanks, have a plastic mesh that prevents particles and debris from getting into the tank from this point. As these have no thread, either side of the oil tank vent cap has a screw that cuts into the male thread on the tank enabling it to be held into place.

The Plastic Fuel Tank Filler Cap is a cost effective solution to cap off male threads on fill points on fuel storage tanks, tanker faucets and valves. The main function of a tank fill point cap is to prevent dripping and to stop unwanted debris and water from entering into the fill pipe. Whilst they are primarily sold as a diesel or oil tank cap, they are a multipurpose solution that can be used with any compatible fluid.

The plastic fuel tank filler cap is a basic option when no additional security is required, and benefits from small lugs positioned around the cap and an alloy chain and clip to make it easier to fit and remove by hand. 

The Aluminium Fuel Tank Filler Cap is a robust option to cap off the male threaded fill point on a fuel storage tank, tanker faucet or valves. A tank fill point cap is designed to prevent dripping and unwanted dirt and water from getting into the tank's fill pipe.

These models are often seen on a diesel or oil tanks, and although they are popular as an oil tank cap they can be used with any fluid compatible with the materials of construction. Complete with two large lugs for easy application, brass chain and a sealing washer, the aluminium fuel tank filler cap is a sturdy and durable option.