Drop-In Replacements for Popular Mity Mite BPRs -

Drop-In Replacements for Popular Mity Mite BPRs

Replacement for Mity Mite Back Pressure Regulators

  • Mity Mite drop-in replacement

We are pleased to announce that Equilibar now offers direct replacements for select models of Mity Mite back pressure regulators.

Mity Mite regulators were first manufactured by Grove Valve and Regulator Company in the 1960s and soon became the standard for many specialty applications. The Pressure Reducing Mity Mite regulators were quite common in experimental rocketry due to the lightweight construction of the aluminum model while the Back Pressure Regulating Mity Mites became popular for applications in the oil and gas industry because of their materials of construction and low flow capabilities.

Over the years, the Mity Mite product line was sold multiple times. In 2015, the most recent owner announced discontinuation of support for Mity Mite, leaving long-standing customers in a bind.

Many of Equilibar’s customers have successfully used Mity Mite regulators for years and need a reliable source for future orders. To better serve these customers and the industry, Equilibar now offers direct replacement of the several models of the Mity Mite Back Pressure Regulators, specifically models 91W, S91W, S91LW, and S91XW.

Learn more about our Mity Mite product offering:

 

Equilibar part numbers follow the same scheme as the traditional Mity Mite part numbers, but with –EQ appended to the end. Below you will find a table with part numbers of the Mity Mites and their corresponding Equilibar part numbers.

Materials of Construction
Part Number Body Cap Diaphragm Cv Pressure Range Equilibar Part Number
90W Aluminum Aluminum Nitrile 0.44 10 – 2000 psi Consult Factory
SD90W Stainless Steel 316 Aluminum FKM
S90W Stainless Steel 316 Stainless Steel 316 FKM
91LW Aluminum Aluminum PTFE 0.44 25 – 400 psi S91LW-EQ
SD91LW Stainless Steel 316 Aluminum PTFE
S91LW Stainless Steel 316 Stainless Steel 316 PTFE
91W Aluminum Aluminum PTFE 0.38 100 – 2000 psi 91W-EQ
SD91W Stainless Steel 316 Aluminum PTFE S91W-EQ
S91W Stainless Steel 316 Stainless Steel 316 PTFE
91XW Aluminum Aluminum PTFE 0.17 100 – 3000 psi S91XW-EQ
SD91XW Stainless Steel 316 Aluminum PTFE
S91XW Stainless Steel 316 Stainless Steel 316 PTFE
91 Stainless Steel 316 Stainless Steel 316 FKM 0.12 60 – 6000 psi Consult Factory
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