The Vent-Tech model SZG sewer valves are air release and vacuum break valves designed to provide surge protection and seal at zero hydraulic head.
The Vent-Tech Model SWG sewer valve combines thirteen years of manufacturing experience with advanced Patent Pending flow designs.
The Vent-Tech Model SSG sewer valve is essentially a shorter version of the Model SWG air/vacuum relief valve, but with improved flow performance, less weight and better self-cleaning. In applications where clearance height is ample or valve weight is not a factor, specify the Model SWG valve, otherwise we recommend specifying the Model SSG.
Vent-Tech Model SDG sewer valve is essentially a shorter version of the zero pressure sealing Model SZG combination air/vacuum relief valve.
ValPro trunnion ball valves are offered in 2 PC side entry, or 3 PC side entry with welded body and top entry design in a wide range of carbon and stainless steel materials.
ValPro swing check steel valves offer dependable service as backflow prevention for steam, air, gas, oil, oil vapor, and high-pressure installations.
ValPro cast steel globe valves offer dependable service as regulating or shut off valves for steam, air, gas, oil, oil vapor, and high-pressure installations.
ValPro floating ball valves are offered in two PC side entry, three PC side entry, or welded body designs in a wide range of carbon and stainless steel materials.
ValPro manufactures a complete range of dual-plate check valves. Delivered in a wide range of carbon and stainless steel materials.
Typically, cryogenic valves are used in processes involving liquefied gases such as liquid nitrogen, oxygen, and liquefied natural gas (LNG).
