1909
Founded

Founded

Kerotest is incorporated as Pittsburgh Reinforced Brazing & Machine Company.

1914
High Pressure Valves

High Pressure Valves

Kerotest develops valves for high pressure compressed gases.

1917
Cast Steel Gate Valve

Cast Steel Gate Valve

The FIRST American manufactured cast steel gate valve for the oil industry is introduced.

1921
Kerosene-Tested

Kerosene-Tested

Testing of high-pressure valves with Kerosene is introduced and becomes an industry standard.

1927
A New Name

A New Name

“Kerotest,” taken from the term “kerosene-tested” is adopted as the new company name.

1930
An Industry First

An Industry First

Kerotest introduces the FIRST Packless Metal-Diaphragm valve to the refrigeration market.

1942

Our War Efforts

The Unites States Maritime Commission grants Kerotest three “M” Awards for outstanding production effectiveness supporting War efforts, an achievement obtained by less than 5% of participating manufacturers.

1963
Another First

Another First

Kerotest enters the gas distribution industry with “Model 1”, the FIRST steel gate valve designed specifically for natural gas service.

1965
Ultra-Clean Valves

Ultra-Clean Valves

Kerotest develops “special” ultra-clean valves for the emerging semi-conductor industry.

1971
The ASME “N” Stamp

The ASME “N” Stamp

Kerotest receives the ASME “N” stamp, introduces the FIRST Packless Metal-Diaphragm valve for nuclear service and becomes the leading valve supplier to over 100 nuclear power plants worldwide.

1976

Excellence In Exports

The United States Secretary of Commerce grants Kerotest the President’s “E” Certificate for Exports “for an outstanding effort to the Export Expansion Program of the United States of America.”

1980

Uranium Enrichment Program

The Department of Energy (DOE) selects Kerotest as one of two suppliers to manufacture specialty valves supporting the Uranium Enrichment program.

1982
First In the World

First In the World

Kerotest invents, patents and introduces the world’s FIRST hermetic bellows stem seal device, the HSS, for rotary, quarter turn flow control devices.

1983
New Kerotest Owners

New Kerotest Owners

Kerotest becomes an “employee owned company” with the development of an ESOP.

1985
INNOGAZ System Introduced

INNOGAZ System Introduced

Kerotest introduces the Innogaz Electrofusion System to the natural gas market.

1987

First Supplier to British Gas

Kerotest becomes the FIRST approved Polyethylene Valve supplier to British Gas (BG PS/V7).

1988
WELDBALL Unveiled

WELDBALL Unveiled

Kerotest introduces the ANSI Class 150 Weldball™, an all-welded steel ball valve product line to the natural gas market.

1989

Second U.S. Manufacturing Facility

Kerotest acquires its Louisiana Manufacturing Facility under long term lease, thus opening its second American manufacturing facility.

1991

High Quality Philosophy

Kerotest’s dedication to providing high quality, innovative products and expert services is further enhanced with the commitment to the Total Quality Management philosophy.

1993
MODEL 1 Turns 30

MODEL 1 Turns 30

Kerotest celebrates 30 years of continuous service of the Model 1 gate valve in the natural gas distribution industry.

1994

ANSI Class 300 WELDBALL

Kerotest introduces ANSI Class 300 Weldball™, expanding the all-welded steel ball valve product line offering to the natural gas industry.

1994
Charlotte Marks Another First

Charlotte Marks Another First

Kerotest introduces the FIRST “universal” electrofusion control box to the natural gas market, the Charlotte Universal Electrofusion Control Box .

1995
New Company HQ

New Company HQ

Kerotest relocates to state-of-the-art manufacturing, machining and office facilities in Pittsburgh, PA, making a $7 million dollar investment.

1998
PORTAFUSE Cuts Cord

PORTAFUSE Cuts Cord

Kerotest invents, patents and introduces PORTAFUSE, the FIRST cordless, battery-powered electrofusion control box for th