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Limited Time Offer Harris Two Stage Ultra High Purity Brass Barstock Regulator Model 721-125-350-d - 721125350d (top Rated) [fWGj5UxA]

$41.99 $134.99 -69%

Limited Time Offer Harris Two Stage Ultra High Purity Brass Barstock Regulator Model 721-125-350-d - 721125350d (top Rated) [fWGj5UxA]Model HP721 is a Single Stage Cylinder Regulator in Brass Barstock for pressure control of non-corrosive gases when pressure rise is not critical. The Model 7

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Limited Time Offer Harris Two Stage Ultra High Purity Brass Barstock Regulator Model 721-125-350-d - 721125350d (top Rated) [fWGj5UxA]

Limited Time Offer Harris Two Stage Ultra High Purity Brass Barstock Regulator Model 721-125-350-d - 721125350d (top Rated) [fWGj5UxA]

Model HP721 is a Single Stage Cylinder Regulator in Brass Barstock for pressure control of non-corrosive gases when pressure rise is not critical. The Model 721 is suitable for High Purity gas applications, research sample systems gases, process analyzer gases, gas chromatography, EPA protocol gases, laser gas systems and emission monitoring systems.

Features

  • 1-11/16"- 316L Stainless Steel diaphragm eliminates contamination from diffusion or outgassing
  • One-piece encapsulated seat design with 10 micron sintered internal filter to protect the PTFE Teflon seat from particulate contamination
  • External relief valve is standard
  • Brass Barstock body, bonnet and fittings
  • 2” dual scale Brass Barstock gauges (psi/bar)
  • Designed to 1 x 10-9 cc/sec inboard helium leak rate to maintain gas purity levels
  • Maximum inlet pressure 3000 PSIG, except for models with CGA 300 and 510 that are equipped with a 400 PSIG inlet gauge
  • Front or back panel mountable
  • Conforms to CGA E-4 standard for gas pressure Regulators

What Our Customers Say

January 18, 2026

Absolutely no complaints!

An outstanding tool. Very useful.

- Teyrnon Q..

January 18, 2026

Absolutely no complaints!

An excellent product. Very solid.

- Gwenllian N..

January 18, 2026

Absolutely no complaints!

A very satisfying and worthwhile acquisition.

- Lachlan T..

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