Aquatrol's engineering and manufacturing staff works directly with
customers and suppliers to develop specialty and "best fit" products.

Newly developed sizing software for Aquatrol Valves
PRV VALVE SIZING and SELECTION  (Contact Aquatrol for more information)

A sizing solution that enables the user to input process variables such as required relief capacity, pressure, fluid and temperature. Then select from a list of Aquatrol valves that satisfy those requirements and showing the user a part number for ordering.
Click here for a preview.


SERIES 140 – Our NEW mini-series 140 is now ASME approved. We offer 2 orifice sizes with connections to 3/4”. Pressures are to 450 PSI for air and inert gases. While a smaller sized product, the valve is designed to uphold the most rugged of applications. Available in either brass/bronze or 100% stainless steel.

FLANGE CONNECTIONS – The 740 Series is now available with lap-joint flange connections and includes the option of custom center to face dimensions. For carbon or stainless steel valves only. 742 or 743. Learn more about flanged products.

TRI-CLAMP INLET – Available. Standard finish is Ra .23 with options for further polishing. The tri-clamp nozzle design is in conjunction with highly finished investment castings, designed for clean service environments

CRYOGENIC – The Aquatrol Series 89 and 740 is available for cryogenic applications. Standard with PTFE seating and O2 cleaning and packaging (as an option).


BSPT threading – API 527 seating – Test gags – No / lead – O2 cleaning – Addition of inlet x outlet choices – Female x Female connections – Many others.

See each individual valve for available choices.


PED / CE – Series 560, 740 are CE approved for all services. See each valve for details

ASME – Higher set pressures for most valve lines. See each valve for details

ISO 9001:2015 As applicable to CE and the pressure relief valve industry

Available Options:

This is just a partial listing of options for our valves.
See individual valve lines for options available.

Specialty Items:

For specials or options not listed,
Please contact Aquatrol.