OPW Engineered Systems Datasheets for Pressure Relief Valves

Pressure relief valves are self-actuated safety valves designed to relieve excess pressure upstream from the line.
Pressure Relief Valves: Learn more

Product Name Notes
Series LBF Lined Butterfly Valves Designed and engineered for demanding applications in corrosive, sanitary and ultra-pure processes. Unique benefits in design and a wide range of options allows the Sure Seal LBF lined butterfly valve...
High Performance Butterfly Valves High performance butterfly valves are the result of years of experience in the design and manufacture of products for a variety of applications. Our valves are designed and tested to...
Series 899-892 Butterfly Valves Sure Seal's Superior Encapsulated design results in total encapsulation of the seat and disc/stem, providing the ultimate in contamination free service. In addition, every Sure Seal valve is tested to...