Pressure/Vacuum Relief Valves & Vents
Protectoseal, with the industry’s most trusted brands and an extensive range of technology, is a global leader of overpressure protection products for critical applications. Protectoseal delivers highly engineered equipment, application support and life cycle services to help assure optimum protection of our customer’s assets and employees. Protectoseal overpressure protection products are applied in a wide range of industries including oil and gas, petrochemical, chemical, and power generation and are supported by our sophisticated research and test facilities for steam, air, gas, and liquid.
Products
E-Series Relief Valve
Remington Valve E-Series relief valves provide security and overpressurization protection in an automated package.Series 5200G Free Vent
The Protectoseal Series 5200G Free Vent provides open access to the tank’s vapor space and provides pressure and vacuum venting.…Series 54000 Spring Loaded Emergency Pressure Vents
Protectoseal Series 54000 Spring Loaded Emergency Pressure Vents provide emergency pressure relief for storage tanks as well as access for…Series 8540G Aluminum End-of-Line Pressure / Vacuum Breather Vent
The NEW Series 8540G Improved Performance, Aluminum, End-of-Line Pressure / Vacuum Breather Vent provides quicker pressure pallet lift and improved…Series No. 16240 Vacuum Relief Vents
Protectoseal Series No. 16240 Vacuum Relief Vents are intended for use where only vacuum relief is required. They are designed…Series No. 17800 Pipe-Away Pressure Conservation Vent
Protectoseal Series No. 17800, Pipe-Away Pressure Conservation Vent, is intended for use where pressure relief is required and the relieving…Series No. 18540 Pipe-Away Pressure / Vacuum Conservation Vent
Protectoseal Series No. 18540, Pipe-Away Pressure / Vacuum Conservation Vent, is designed to provide pressure and vacuum relief in applications…Series No. 51700 Hinged Emergency Pressure Manhole Cover Vents
Protectoseal Series No. 51700 Hinged Emergency Pressure Manhole Cover Vents provide emergency pressure relief for storage tanks that are exposed…Series No. 52600 emergency pressure vacuum relief
Protectoseal Series No. 52600 provides both emergency pressure relief and vacuum relief when installed on the manhole opening of a…Series No. 53300 Emergency Pressure Manhole Cover Vents
Protectoseal Series No. 53300 Emergency Pressure Manhole Cover Vents provide emergency pressure relief for storage tanks as well as convenient…Series No. 6240 Vacuum Relief Vents
Protectoseal Series No. 6240 Vacuum Relief Vents are intended for use where only vacuum relief is required. A pallet in…Series No. 670E End-of-Line Deflagration Flame Arresters
Protectoseal Series No. 670E End-of-Line Deflagration Flame Arresters are installed where it is not necessary to conserve vapors but where…Series No. 7800 Emergency Pressure Vents
Protectoseal Series No. 7800 Emergency Pressure Vents are designed to provide emergency relief capacity beyond that furnished by the operating…Series No. 830 Pressure / Vacuum Conservation Vent with Flame Arrester
Protectoseal Series No. 830, Pressure / Vacuum Conservation Vent with Flame Arrester, is designed to prevent costly evaporation losses, tank…Series No. 8540H End-of-Line Pressure / Vacuum Conservation Vent
The Protectoseal Series No. 8540H, End-of-Line Pressure / Vacuum Conservation Vent, is intended for use where both pressure and vacuum…Series No. 860 End-of-Line Rectangular Plate Flame Arresters
Protectoseal Series No. 860 End-of-Line Rectangular Plate Flame Arresters are installed where it is not necessary to conserve vapor losses…Series No. 8740 In-Line Pressure / Vacuum Conservation Vent
The design of the Protectoseal In-Line Pressure / Vacuum Conservation Vent, Series No. 8740, makes these vents particularly suited for…Series Nos. 27000, 29000 and 31000, End-of-Line, Crimped Metal Flame Arresters
The Protectoseal Series Nos. 27000, 29000 and 31000, End-of-Line, Crimped Metal Flame Arresters are installed where it is not necessary…Cash A Series Pressure Regulators
Single seated and self-actuating compact diaphragm-type regulators covering a wide range of designs and operating pressures A series regulators are…Cash Valve B Series pressure regulators
Single seated, spring loaded, direct acting diaphragm-type pressure reducing and regulating valves for a broad range of services B series…Cash Valve Series LS, Pressure Reducing and Regulating Valves
High pressure single-seated, spring loaded, direct acting diaphragm type regulators for inlet pressures to 2400 psig (165.5 barg) Type LS…Farris 2600 Relief Valve
Conforms to API 526 Full Nozzle Design Integral Cast Flanges Metal Seat with optional O-ring Balanced Bellows option Open Bonnet…Farris 2700 Process Valve
Metal Seat with optional O-ring Balanced design option Flanged option Optional welding nipple and sanitary connectionsFarris 3800 Process Valve
Conforms to API 526 Snap Acting and Modulating Control Actuation Semi and Full Port Nozzle Design Typical Blowdown of 3-6%Farris 4200 Steam Safety Valves
Flanged Spring Loaded Boiler Safety Valve Full nozzle design Open bonnet design One piece guide Low stem bearing point Temperature…Farris 6400 Steam Safety Valve
Flanged Spring Loaded Boiler Safety Valve Available in closed bonnet or exposed spring versions Hardened conical disc for extended seat…Farris Smart Pressure Relief Valve
2600 Series Pressure Relief Valve Equipped with a Fisher 4320 Wireless Position Monitor WirelessHART Protocol Integrates into plants with existing…Kunkle 6252 and 6254
Applications: Steam Boilers and Generators. Pressure Reducing Stations. Air/Gas Compressors – reciprocating or rotary.Kunkle Cast Iron Liquid Relief Valves Model 91, 218, 228
Pressure and Temperature Limits** Model 91: 5 psig to 400 psig; -20°F to 406°F Models 218, 228: 60 psig to…Kunkle Relief Valve Model 900: 910, 911, 917, 920,921,927
Applications: Air/gas compressors, intercoolers, aftercoolers. Liquid filled pressure vessels/systems, ASME Section VIII (UV).Kunkle Liquid Relief Valve Model 20
Bronze construction, Pressure tight cap, MxF Ends Liquid relief service Sizes: 1/2 to 3 inch Range: 1 to 300 PSI…Kunkle Relief Valve Series 6000
Applications: Steam Boilers and Generators. Air/Gas Compressors – reciprocating or rotary – portable or stationary, intercoolers and aftercoolers.