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Aquatrol was founded in 1947 by Lyman J Lowden, who owned an engineering firm specializing in the development of municipal power, steam and water filtration systems. During LJ's tenure he discovered a need within the safety and relief valve markets and founded our company. Aquatrol quickly became a recognized brand, focused on producing ASME regulated bronze safety and relief valves, servicing the OEM and quality driven marketplace.

Aquatrol manufactures ASME regulated, national Board Certified Safety valves. Section I (V) and VIII (UV) rated for steam, air and gas applications, as well as a full line of liquid relief valves.

Valves are interchangeable with all safety valve manufacturers and available with the full array of trimming, seating and options. All of our products go through rigid quality control, setting, testing and re-testing to each customized application prior to the code stamping process.

All valves can be custom set from inventory on an as-needed basis. Please specify; series, piping size, set pressure (psi), service (steam air or gas) when ordering as well as any special options, as required.



Product Line

ASME Section I and Section VIII
(High Capacity Safety Valve)

Series 560 / 570 Sizes to 1/2" - 2 1/2"


ASME Section VIII Steam, Air, Gas, Safety Relief Valve

SERIES 88 , 89 Size 1/2" to 3"



ASME Section VII Steam, Air, Gas, Safety Relief Valve

SERIES 120 - 130
Size 1/4" to 1"



Liquid Relief, By-Pass Over Protection Pressure Relief Valve

SERIES 69, 51 & 55 Size 1/4" to 3





Ball Seated Air Steam Gas Safety Relief Valve



Pressure/Vacuum Relief Valve

SERIES 27 Size 1/4" to 1/2"



Non-Code Steam, Air, Gas, Liquid Safety Relief Valve

SERIES 17 & 18 Size 1/2" to 1"1/2"




Download the Full Product Catalog Below:

> Aquatrol 2014 Product Catalog


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847-356-0566 Tel    847-356-0747 Fax