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Lab Tested Harris - 742-125-590-b - 742125590b - Carbon Monoxide/nitrous Oxide Regulator Money-back Guarantee [dDOaCh0G]

$44.99 $143.99 -69%

Harris 742-125-590-B CO/N2O RegulatorIntroducing the Harris 742-125-590-B Carbon Monoxide/Nitrous Oxide Regulator, a premium-grade device designed for high-purity gas applications. This regulator is built to deliver exceptional performance and reliab

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Lab Tested Harris - 742-125-590-b - 742125590b - Carbon Monoxide/nitrous Oxide Regulator Money-back Guarantee [dDOaCh0G]

Harris 742-125-590-B CO/N2O Regulator

Introducing the Harris 742-125-590-B Carbon Monoxide/Nitrous Oxide Regulator, a premium-grade device designed for high-purity gas applications. This regulator is built to deliver exceptional performance and reliability, making it an ideal choice for various industries and research facilities.

Key Features and Specifications

Featuring a stainless steel diaphragm, the Harris 742-125-590-B ensures constant delivery pressure from full to near-empty cylinder conditions. Its robust construction includes a 316L stainless steel barstock body and fittings, as well as a chrome-plated brass bonnet, guaranteeing years of dependable service. The regulator boasts a maximum inlet pressure of 3000 psig, with specific models equipped for 400 psig inlet gauge. Its 1 x 10-9 cc/sec inboard helium leak rate design maintains gas purity levels, making it suitable for critical applications.

Applications and Benefits

Perfect for corrosive gas, high-purity gas, research sample system gas, and process analyzer gas applications, the Harris 742-125-590-B is a versatile tool for various industries. Its features include a one-piece encapsulated seat design with a 10 micron sintered internal filter to protect the PTFE Teflon seat from particulate contamination. The ergonomic ABS plastic knob provides an improved grip, while the 2” stainless steel dual scale gauges (psi/bar) offer precise readings. With front or back panel mountable options, this regulator is designed to fit seamlessly into your system. Its typical applications include gas chromatography, EPA protocol gases, laser gas systems, and emission monitoring systems.

What Our Customers Say

January 18, 2026

Absolutely no complaints!

The design is intuitive and the results are consistently great.

- Rylee M..

January 18, 2026

Absolutely no complaints!

This product is a brilliant choice. It's a pleasure to use.

- Ramona C..

January 18, 2026

Absolutely no complaints!

So impressed with this. It's even better than the pictures.

- Christopher W..

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