PNR | What’s New
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What’s New

Groth Corporation announces new Flame Control Lab and enhancements to Flow Lab.

10:45 31 October in Uncategorized

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Stafford, Texas – October 30, 2014

A Ribbon Cutting Ceremony was recently held for their brand new 3,200 square foot Flame Control Laboratory along with enhancements to their Flow Laboratory at their Stafford, Texas manufacturing facility.

Groth Corporation is a global leader in manufacturing pressure/vacuum relief valves, flame and detonation arresters, blanket gas regulators and other low pressure relief products.

In addition to Groth Corporation staff and sales representatives from around the world, also in attendance at the Ribbon Cutting was Stafford Mayor Scarcella along with several Stafford City Councilmembers.

The laboratories will allow for enhanced capabilities to meet ever changing requirements of pressure relief & flame control solutions throughout all process industries, spanning the globe.

Enhancements to the Groth Flow Lab makes it one of the most modern low pressure, high volume flow labs in the United States. It meets ASME PTC-25 requirements and is TUV certified. It can flow air at 600,000 standard cubic feet per hour in both pressure and vacuum and can reach pressures up to 5 PSI.

The new Groth Flame Control Lab is designed to perform deflagration and burn tests per the European ATEX, Factory Mutual, and US Coast Guard test standards. The lab has the capability to test with various gases, including Methane, Propane, Ethylene and others.

“The new laboratories will elevate our strategic new product development efforts and continue to provide support to our current product lines.” – Steven Breid, Vice President of Sales & Marketing

To learn more about Groth Corporation and the products and services we provide, please view our “Tank Protection and Equipment” page or follow PNR on Linkedin.


Visit PNR’s Booth At Offshore South East Asia 2014

15:27 20 October in Uncategorized

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Once every two years, something big happens in the Oil and Gas industry.

OSEA 2014.

One of the biggest and most comprehensive Oil and Gas exhibitions in Asia is back in Singapore.

And, as always, PNR Engineering Systems is going to be there from 2 – 5 December 2014.

If you’re around, head on down to see PNR at Marina Bay Sands. Our booth, BE3-01 (Singapore Pavilion) at Hall D, is open to all.

Come learn more about our new technologies, check out our tried and trusted ones , or simply come down and say, “hi”. We look forward to seeing all of you there.


14,000 km of gas pipelines. 1 quick solution to test their integrity.

18:25 29 September in Uncategorized

APA Pipes As Australia’s largest transporter of natural gas, the APA Group own more than 14,000 km of gas pipeline. So when they needed someone to test the integrity of their pipe spares there was only going to be one easy solution.

Expansion Seal Technologies’ Griptight Test Plugs.

Using EST’s Griptights, Imatech successfully tested more than 60 pipes of various lengths and sizes at high water pressures – up to 13,900PSI (960 Bar) to be exact. Our plugs are specially designed to use the test pressure to grip and seal the pipe securely. So the higher the test pressure, the tighter our plugs will hold on to the wall of the pipe. As a result, APA saved many man hours due to the fact that Griptights do not require welding on end caps or blinds. Installation is as simple as “plug and torque”.

For more information on how you can use EST’s Griptights for your pipe integrity testing needs please contact us at sales@estgroupasia.com.sg or call +65 6745 8560


High Pressure Pneumatic and Hydrostatic Test Demonstration in one of the world largest Fabrication Yard

07:15 28 May in Uncategorized

EST and PNR Engineering Group have just recently conducted a successful demonstration of high pressure pipe testing method using EST I.D. Griptight GT4-P120  and O.D. Griptight ODGT-400P. For this demonstration a sample pipe of Sch120 was tested up to 2000 psi hydraulically and 1400 psi pnuematically. These plugs are specially engineered and designed to use the test pressure to grip and seal the pipe securely. The higher the test pressure, the tighter these plugs will hold on to the wall of the pipe.

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This safe method of pipe testing has been used by many international companies. Tremendous manpower time are reduced compared to the conventional method of using end cap and flange & blinds.

GripTight Plugs operating pressure can go up to  13900 PSI(960 Bar) and O.D GripTight up to 5000PSI(343Bar)

For further information, please contact us at, info@pnr-engineering.com.my