Upgraded Twinsafe Facility Passes the Test

Oliver Twinsafe Ltd is set to increase the efficiency of their double block and bleed valve production having ordered a bespoke test rig from Ventil Test Equipment in Holland.

The state-of-the-art computerised facility boasts a 275 ton clamping load and has been designed specifically for Oliver’s double block and bleed product.

“Ventil have been fantastic,” said Engineering Director Craig Furnival. “From their first site visit to the correspondence we’ve had during the development of the rig they’ve been extremely helpful.

“These rigs are popular for testing single isolate valves but DBB valves have more seats so the software that runs the test is unique to Twinsafe” explained Mr Furnival. “The size of our valves was also a consideration as our clamping load requirements are higher than that offered by Ventil’s standard range.”

The fully automated rig will run through Oliver Twinsafe’s entire test cycle, hydrostatic and gas, at the push of a button and utilizes a vacuum fill system which effectively sucks water into the valve body rather than pumping water into the cavities.

“If we pump water in then there are often voids which trap air,” said Mr Furnival. “If we are populating a vacuum then we know that every space will be filled.”

The rig will accommodate valves with bore sizes from 2” to 14” including 8” 2500lb, 12” 1500lb and 14” 600lb pressure classes.

“This rig offers a full digital reporting service so not only will it significantly increase our output, it will also offer another level of traceability for our customers.”

To learn more about Oliver Twinsafe products and services please call +44 (0)1565 632636.

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