Specialty Gas Distribution Equipment for Indianapolis

Specialty gases really aren’t any more efficacious than the equipment used to disperse them. The purity and precision these gases deliver can be diluted if not sustained by the required pressure and flow control and absent the wherewithal to identify gas use.

Though the general understanding is that compressed gases, by virtue of their characteristics, are delivered in high-pressure gas cylinders, managing that pressure in typical use is oftentimes put on the back burner. One can’t deny the major distinctions between cylinder regulators intended for oxy-fuel cutting and welding, conventional purge gas applications, and specialty gas use.

The PurityPlus® gas pressure-reducing regulators and flowmeters carried by American Welding & Gas, Inc. deliver the exceptional quality in materials, design, and assembly that distinguishes them from standard industrial gas equipment. While more costly, this equipment usually has a value that goes well beyond its price. PurityPlus® regulators, for instance, most often have diaphragms made of stainless steel as opposed to rubber. Rubber diaphragms are inclined to soak up moisture and impurities, then off-gas these contaminants as the cylinder supply pressure dips. This can wreak havoc in carrier gas flow and instrument response.

Similarly headache-inducing is the issue of crawl. As the pressure in a gas cylinder is made to drop, the pressure on the diaphragm is also reduced, and the outlet pressure can rise. To offset this action and tamp down its effects, it is strongly advised that a two-stage PurityPlus® regulator be used. The manufacturer presets the first-stage pressure reduction, normally around 300-500 psig, giving users the ability to  regulate the final outlet pressure in the second stage. Setting an intermediate pressure dampens the crawl effect by the second stage to the point that  it’s just about non-existent until the cylinder pressure plunges below 150-200 psig.

Its worth comparing this, now, to an industrial gas single-stage regulator. With the single-stage design, the single diaphragm undergoes a continuous lessening of supply pressure as well as a slow but continuous increase in outlet pressure that could change as much as 10-15 psig.

These are only a couple of examples proving that the right gas also necessitates the right gas equipment. Contact us online or call us, American Welding & Gas, Inc., at . As we see it, customer service goes well beyond offering the right gases, equipment, and options. Customer service also means being responsive to your questions – about specialty gas control or any other industry topic. And we’re famous for being responsive.