Brands > Protego | Total Valve (918) 258-7035 (800) 324-7035 | 24/7 Emergency Quick Quote Total Valve Live Home Products Pressure & Vacuum Relief Valves Pressure Relief Valves 6820 TRV Pressure / Vacuum Relief Valves Rupture Discs Hydraulic Bypass Relief Valves Other Products Elastomers Valve Packing Gauges Test Insert / Pipe Covers Regulators Control Valves Control Valves Rotary Control Valves Linear Control Valves Control Valve Management Solutions Liquid Level Indicators Direct Level Magnetic Probe Specialty Valves HF Alky Shutdown / Isolation Valves Ball Valves Gate Valves Globe Valves Plug Valves Excess Flow Valves Check / Vent Valves Butterfly Valves Actuators Electric Pneumatic Actuated Valves Gearboxes Excess Flow: Engineered Products Excess Flow Valves Check / Vent Valves Emergency Shutdown Valves Relief – TRV / TSV Diverter Valves Slurry Valves Monitoring Total Analytix Farris inSure® Services On-Site Services On-Site Repairs HF Alky Elastomers Positive Material Identification (PMI) In-Shop Services In-Shop Repairs Control Valve Management Solutions Flame Arrestor Repair Flow Lab Testing Engineering Services Positive Material Identification (PMI) Machining Services CNC Machining Prototype Machining Wire EDM Positive Material Identification (PMI) Power Plant Repairs Safety Relief Valve Repair Manual Valve Repair Actuator Repair Industrial Valve Repair Brands ABZ Aloyco BHDT Biffi Crane® DSI Duo-Chek® Dyna-Flo EIM Exlar Farris Franklin Fulflo General Valve Twin Seal Limitorque M&J Newco Noz-Chek® Pacific Valves Protego Questtec Rotork® Score TVS V-Tork ValvTechnologies Wheatley WKM Xomox® Zook Resources Press Releases Trade Shows Sales Materials Certifications Safety / Compliance Chemical Compatibility Matrix Project Gallery Pro Shop Blog Contact Us Contact Us Locate A Rep About Us HR - Jobs / Application Forms Quick Quote Total Valve Live Home Industrial Valves Brands Protego Protego D/PA(L) The D/PA(L) type PROTEGO® valve is a highly developed pressure and vacuum relief valve with excellent flow performance. DZ/E The PROTEGO® in-line valve DZ/E is a state-of-the-art pressure or vacuum relief valve with a right angle design. DZ/E-F The PROTEGO® in-line valve DZ/E-F is a state-of-the-art pressure or vacuum relief valve in a right angle design for higher system pressures. DZ/EA The lined PROTEGO® in-line valve DZ/EA is a state-of-the-art pressure or vacuum relief valve in a right angle design. DZ/EA-F The lined PROTEGO® in-line valve DZ/EA-F is a state-of-the-art pressure or vacuum relief valve in a right angle design for higher set pressures. DZ/T The PROTEGO® in-line valve DZ/T is a state-of-the-art pressure or vacuum relief valve. DZ/T-F The PROTEGO® in-line valve DZ/T-F is a state-of-the-art pressure or vacuum relief valve for higher system pressures. ER/V The ER/V type PROTEGO® valve is a highly developed emergency pressure relief valve with high flow capacity. PV/EL The PV/EL type PROTEGO® valve is a highly developed combined pressure and vacuum relief valve. R/KSM The PROTEGO® R/KSM is a state-of-the-art pressure or vacuum relief valve in a right angle design made out of high-grade synthetic material. SV/E-1-0 The SV/E-1-0 type PROTEGO® valve is a highly developed vacuum relief valve with excellent flow performance. V/KSM The PROTEGO® valve V/KSM is a state-of-the-art valve with excellent flow performance made of high-grade synthetic material. V/SV The V/SV type PROTEGO® valve is a highly developed vacuum relief valve with excellent flow performance. V/SV-XL The V/SV-XL type PROTEGO® valve is a highly developed optimized vacuum relief valve with excellent flow performance. V/SV-XXL The PROTEGO® V/SV-XXL valve is a highly developed optimized vacuum relief valve with excellent flow performance. VD/SV The VD/SV type PROTEGO® valve is a highly developed pressure and vacuum relief valve with excellent flow performance. SV/T-0-H The SV/T-0-H is a highly developed valve with a valve housing that is equipped with a heating jacket that can be heated up to the flange. Protego Valves & Flame Arrestors Since 1954, PROTEGO® has built and provided devices and tank equipment, now with the help of more than 600 employees worldwide. They are the technology leader within their area of expertise. Protego® provides global services for their customers which include research and development, application-specific engineering, overall protection system design and safety awareness training. Their customers know they can rely on research capabilities, engineering expertise and high quality products for the up and downstream oil and gas, petroleum, chemical, pharmaceutical, and bio-energy industries. Welcome to Total Valve Systems where we are now celebrating over 40 years of history and strong growth in servicing customers around the globe. Our corporate headquarters located in Broken Arrow, Oklahoma is a 70,000 sq. ft. facility based upon 10 acres. We've expanded locations to cover Texas, Kansas, Missouri, Nebraska, Iowa, Wyoming, Arkansas, Louisiana, New Mexico, Colorado, Utah, Idaho, Montana, North Dakota, South Dakota and Minnesota. To accommodate growth in international markets and support our products and services, offices have been established in Shanghai, China, Jordan, India, Singapore, and The Middle East. (800) 324-7035 Quick Quote Total Valve Live Products Pressure & Vacuum Relief Valves Excess Flow: Engineered Products Control Valves Shutdown / Isolation Valves Actuators Liquid Level Indicators Other Products Services Field Services In-Shop Services Machining Services Power Plant Repairs Copyright © Total Valve Systems, 2026