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Gas valves for LPG service

Gas valves come in many shapes and sizes, with different functions and roles in a gas system. Common to them all is that they allow you to control the flow, pressure and direction of liquid and/or vapour.

We do our best to keep up with the ever expanding and innovative market of gas valves for LPG. The selection spans over mechanical, digital and electromechanical gas valves to suit all LPG related purposes and applications. Whether it is pressure control, bypassing, shut-off, excess flow check, pressure relief or multi valves that is needed, this is the place to find them.

Back check valves (flanged)

These one-directional valves close off if the flow direction changes or flow stops. They keep the contents of a container from escaping if the piping or fittings accidentally break.

Back check valves (threaded)

One-way valves that prevent the contents of a container from escaping if the piping or fittings unexpectedly break. Back check valves close off if the direction of flow changes, or if flow stops.

Ball valves

Operated by a simple 90˚ turn of a lever, ball valves can either fully permit or restrict flow. They are simple and fast acting valves for on/off operations.

Bypass valves

Protect your pumps and other components from damage by a build-up of overpressure. Bypass valves minimise wear on other pipe units and ensure easy maintenance.

Differential pressure valves

Available in mechanical or digital, differential pressure control valves often work with meters and vapour eliminators and are controlled by pressure differences or electrical signals.

Diverter valves

Enables change of relief valve without evacuating the contents of a cryogenic vessel. They also provide overpressure protection of storage vessels for increased safety.

Emergency shut off valves

Also known as ESV’s, these vital safety units respond to extreme changes in pressure, flow and temperature and will shut off flow both up and downstream of the valve.

Excess flow valves (flanged)

Normally open and bi-directional, these valves will shut the flow if the rate of flow exceeds an expected rate, until the pressure is close to equalised.

Excess flow valves (threaded)

A threaded excess flow valve is a bi-directional valve that shuts off flow in one direction if it exceeds a predetermined value. Its bleed-off feature assists in pressure equalisation.

External relief valves

In places where pressure can build to unsafe levels and cause dangerous situations, these relief valves provide added security for both people and equipment.

Female QDV

Fuel line venter, located on the dispensers at LNG refuelling stations, that interlocks easily with a male counterpart for fast connecting and disconnecting of fuelling lines.

Globe and angle valves

In the service pipelines of places like filling plants, bobtails, transports and bulk storage containers, globe and angle valves can regulate or completely shut off flow.

Globe valves (bronze)

Single-directional valves suitable for isolation or throttling of a product. Globe valves can be acquired in a ‘T’,’Y’ and angle shape, to match most spatial limitations of installations.

High pressure valves

Highly durable valves for cryogenic applications, designed specifically to endure pressures larger than 500 psi. These valves are ignition resistant during operation with highly pressurised oxygen.

Internal pressure relief valves

Available in fully or semi-internal types, internal pressure relief valves (or internal PRV’s) provide over-pressure protection for mobile tanks and containers.

Internal valves

As a safety measure to prevent spillage in case of damaged piping or tipped-over tanks, internal valves are important elements of LPG storage tanks.

Male QDV

Vent coupler for tank installation. They are commonly installed into LNG tanks for simplified re-fuelling where they interlock with their female counterparts for optimal service.

Multi valves

Essentially a body containing many valves and functionalities, multi valves are specifically designed to fit in ASME containers with a single opening.

Multiports

On large stationary tanks with flanged connections, multiport manifold valves enable maintenance of relief valves without evacuating the contents of the vessel.

Needle valves

Indispensable devices for accurate flow and pressure control. Often used in low flow-rate processes that require precise throttling of pressure.

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