Fluid Controls Ltd is one of the UK’s leading distributors for pressure control

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Why you should choose Welker Jet® control valves

The Welker Jet® is the only natural gas control valve designed by a natural gas engineer specifically for the needs of the natural gas industry. Invented in 1958 by Robert H. Welker, founder of Welker Engineering, the Jet® is still untouchable more than 60 years later. No other control valve can match it for its accurate performance, durability, low energy loss, controllability and minimal noise output.

How does the Welker Jet® control valve work?

When the Welker Jet® control valve receives a signal its direct-acting, pneumatically operated diaphragm motor exerts hydraulic pressure to the rubber inner valve. This radially expands or contracts to control flow and pressure. The clean flow path through the valve conserves energy and reduces noise and turbulence. The Welker Jet® is available in top entry, flanged or insert styles and in five sizes ranging from 1” to 8”.

Benefits of the Welker Jet® control valve

The following are just some of the benefits of choosing the Welker Jet® control valve for natural gas applications:

High recovery

The Welker Jet® high recovery valve wastes minimal energy, with gas passing through cleanly. That means your downstream flow is quickly returned to favourable flow conditions.

Quick response

The Welker Jet® control valve delivers rapid response times and stable control. As the pneumatic motor responds to changing conditions, corresponding hydraulic pressure results in smooth inner valve motion.

Easy maintenance

Welker Jet® valves of all sizes and styles can be maintained with minimal effort and downtime. A single operator can perform routine maintenance within 1–2 hours, depending on the valve size.

Pressure or flow control

The Welker Jet® control valve maintains outlet conditions regardless of inlet pressure changes. This makes it ideal for pressure regulation control, back pressure control or flow control.

Minimal noise

The Jet’s® noise level of 90 dBA makes it 10-30 dBA quieter than other control valves. This is because the control element is centred in the valve body, resulting in a straight path for gas to follow.

Positive shut-off

The Welker Jet® provides guaranteed positive shut-off, even when damage is present. The resilient rubber inner valve expands to seal around foreign objects, form into gaps in the seat and fill any voids in itself. 

Infinite rangeability

From full flow to no flow, precise regulation is possible across 100% of the Welker Jet® valve’s control range. Full control is a standard feature of the Jet®, regardless of the size of valve selected.

High capacity

The Welker Jet’s® streamlined flow path prevents capacity from being lost to turbulence. Critical flow can be reached with only a 20% pressure differential. As such, the Jet® provides future-proof control.

Buy Welker Jet valves from Fluid Controls

Fluid Controls has been supplying high-quality pressure control equipment since 1988. We are proud to be UK distributors of Welker’s high-quality instrumentation, including the innovative Welker Jet® control valve. As a fully accredited ISO9001:2015 company, we provide a full installation and service facility for many of the  products we supply. We also offer full pressure testing and repairs, as well as in-house or on-site training.

For more information about the Welker Jet® control valve and our wider range of Welker products, or to discuss your application requirements in more detail, please contact Fluid Controls today on +44 (0)118 970 2060 or email fluid@fluidcontrols.co.uk

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