Specialty Valves and Fittings
Miscellaneous equipment required for the safe and efficient operation of storage tanks and related processing facilities. Products include: Air Dryers, Gauge Hatches, Internal Safety Valves, Overflow Valves, Water Drain Valves and more.
The Cowhorn Arrangement attaches a pair of Flame Arresters and Pressure and Vacuum Conservation Vents to a 3-way valve, allowing the operator to switch between sets when operational or maintenance needs require. These devices are essential for biogas production, as they provide superior explosion and pressure protection to anaerobic digestion plants.
GAUGE HATCHES – SERIES NOS. 4960D / 4970D / 4980D / 5960D – PDF ( Spanish | Chinese )
The Protectoseal Series 4970D and 4980D Gauge Hatches provide ready access to storage tanks for gauging or sampling.
Installation & Maintenance Instructions – PDF ( Spanish | Chinese )
AIR DRYER, Metallic – SERIES 782 – PDF ( Spanish | Chinese )
AIR DRYER, PVC – SERIES PVC782 – PDF
The Protectoseal Series 782 Air Dryer provides a simple, relatively inexpensive means of extracting unwanted moisture from make up air entering a storage tank.
Installation & Maintenance Instructions – PDF ( Spanish | Chinese )
INTERNAL SAFETY VALVE – SERIES NO. 3000 – PDF ( Spanish | Chinese )
The Protectoseal Series 3000 Internal Safety Valves are intended for use on storage tanks containing flammable or combustible liquids. Safe and efficient, the valves help protect the tanks and their contents and provide valuable aid in accident prevention.
Installation & Maintenance Instructions – PDF ( Spanish | Chinese )
OVERFLOW VALVE – SERIES NO. 7300D – PDF ( Spanish | Chinese )
The Protectoseal Series 7300D Overflow Valve eliminates an open overfill pipe connection into the vapor space of the tank.
Installation & Maintenance Instructions – PDF ( Spanish | Chinese )
WATER DRAIN VALVE – SERIES NO. 660 – PDF ( Spanish | Chinese )
Protectoseal Series 660 Water Drain Valves are designed to provide maximum flow and assure complete draining when relieving tanks of bottom water accumulated during normal breathing.
Installation & Maintenance Instructions – PDF ( Spanish | Chinese)
PRESSURE RELIEF RIM VENT – SERIES NO. 4276 – PDF
Protectoseal Series No. 4276 Rim Vents are designed for use on floating roof tanks. They are mounted around the rim of the tank roof system and provide casual relief for any pressure accumulations under the pontoon sections of the roof.