Please find attached reference material regarding Groth Products for your use.

What data is required to size/select Press/Vac Valves?

API 2000 Std for Sizing Pressure Vacuum Valves

API 2000 Std for Sizing Emergency Vents

Request a copy of Groth CALQSIZE Sizing Selection Software click here and when finished use your browser back button to return to PRD webpage.


Any questions or further information required please contact our offices:

Tel 330-253-4800 / Fax 330-253-5002
US Toll Free 1-888-298-3887

or email us at: sales@prdtechnologies.com