Storage Tanks & Vessels Equipment

Tank storage equipment is used for pressure control, vacuum relief, venting, flame transmission protection, and local level indication on fixed roof tanks, aboveground storage tanks, process vessels, and storage systems for flammable or industrial liquids. Selection should be based on the stored medium, vapor pressure, operating temperature, filling and emptying rate, allowable overpressure, allowable vacuum, explosion group, MESG, nominal size (DN), connection type, and materials of construction.

Pressure relief valves limit overpressure caused by tank filling, thermal expansion, or changes in ambient conditions. KITO designs include pressure relief valves with an integrated flame arrester element, intended to discharge excess pressure while reducing unnecessary gas or vapor losses according to the valve set pressure. Available executions include DIN and flanged versions, pressure classes such as PN16 and PN40, and materials including 1.4571 stainless steel and carbon steel.

Vacuum relief valves provide controlled air or gas admission during tank emptying or cooling in order to prevent unacceptable vacuum conditions in the tank shell. For flammable liquids, explosion-protected versions with flame arrester are used, selected in accordance with the applicable explosion group and temperature classification.

Combined pressure/vacuum relief valves are applied where both outbreathing and inbreathing must be controlled within defined set points, typically in roof-mounted service. Inline versions are used where vent flow is routed to a vapor header, inert gas line, or gas treatment system. Visual level indicators are selected according to pressure rating, DIN or ANSI standard, connection arrangement, and material compatibility, with executions available from PN2.5 to PN25 and in ASME classes 300 and 600 lbs.

Pressure Relief Valves For Tanks

Pressure Relief Valves For Tanks

Vacuum Relief Valves For Tanks

Vacuum Relief Valves For Tanks

Pressure & Vacuum Relief Valves For Tanks

Pressure & Vacuum Relief Valves For Tanks

Inline Pressure & Vaccum Relief Valves For Tanks

Inline Pressure & Vaccum Relief Valves For Tanks

Tank Sight Glasses

Tank Sight Glasses

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Deflagration and endurance burning proof pressure relief valve - C 7 N | KITO Armaturen KITO Armaturen GmbH - 1

Deflagration and endurance burning proof pressure relief valve - C 7 N | KITO Armaturen

Deflagration and endurance burning proof pressure relief valve - C 7 N | KITO Armaturen

KITO Armaturen GmbH

KITO DS/KS-IIA Pressure Relief Valve, Type C 7 N The KITO DS/KS-IIA is a pressure relief valve designed for installation on storage tank roofs. It incorporates an integrated flame arrester element for protection against ignition, deflagration, and sustained burning. This valve is applied where overpressure venting is required with controlled vapor or gas...

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Deflagration and endurance burning proof pressure relief valve - C 7.3 N | KITO Armaturen KITO Armaturen GmbH - 1

Deflagration and endurance burning proof pressure relief valve - C 7.3 N | KITO Armaturen

Deflagration and endurance burning proof pressure relief valve - C 7.3 N | KITO Armaturen

KITO Armaturen GmbH

KITO DS/KS-1-IIA Pressure Relief Valve, Type C 7.3 N The KITO DS/KS-1-IIA is a pressure relief valve for storage tanks, equipped with an integrated flame arrester element. It is designed for protection against deflagration and endurance burning. The C 7.3 N variant is configured for higher pressure settings compared to the C 7 N, utilizing a spring-loaded...

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Deflagration and endurance burning proof pressure relief valve - C 7.1 N | KITO Armaturen KITO Armaturen GmbH - 1

Deflagration and endurance burning proof pressure relief valve - C 7.1 N | KITO Armaturen

Deflagration and endurance burning proof pressure relief valve - C 7.1 N | KITO Armaturen

KITO Armaturen GmbH

KITO DS/KS-IIB1 Pressure Relief Valve, Type C 7.1 N The KITO DS/KS-IIB1 is a pressure relief valve designed for tank venting lines, incorporating an end-of-line flame arrester element. It is intended for flammable liquids and vapors in explosion group IIB1, and, following additional assessment/approval, for alcohols with MESG ≥ 0.85 mm and a maximum...

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Deflagration and endurance burning proof pressure relief valve -C 7.4 N | KITO Armaturen KITO Armaturen GmbH - 1

Deflagration and endurance burning proof pressure relief valve -C 7.4 N | KITO Armaturen

Deflagration and endurance burning proof pressure relief valve -C 7.4 N | KITO Armaturen

KITO Armaturen GmbH

KITO DS/KG-BEH-6-IIB3 Pressure Relief Valve, Type C 7.4 N The KITO DS/KG-BEH-6-IIB3 is an overpressure relief valve for storage tanks, equipped with an integrated flame arrester element for protection against deflagration and endurance burning. It is installed on tank vent lines to discharge excess pressure while minimizing vapor or gas losses, depending...

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Pressure relief valve - C 8.5 N | KITO Armaturen KITO Armaturen GmbH - 1

Pressure relief valve - C 8.5 N | KITO Armaturen

Pressure relief valve - C 8.5 N | KITO Armaturen

KITO Armaturen GmbH

KITO DS/oG Pressure Relief Valve, Type C 8.5 N The KITO DS/oG C 8.5 N is an overpressure relief valve designed for vertical installation on tank roofs. It functions as a breather device, venting gases or vapors when internal pressure exceeds the setpoint, while minimizing product losses. This valve is not intended for explosion protection and does not...

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Pressure relief valve - C 8.4 N | KITO Armaturen KITO Armaturen GmbH - 1

Pressure relief valve - C 8.4 N | KITO Armaturen

Pressure relief valve - C 8.4 N | KITO Armaturen

KITO Armaturen GmbH

KITO DS/oP Pressure Relief Valve, Type C 8.4 N The KITO DS/oP C 8.4 N is a pressure relief valve designed for storage tanks and silos containing granular or powdered materials. The design positions all moving parts outside the storage area, minimizing direct mechanical contact with the stored product and reducing contamination risk. Applications Typical...

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Pressure relief valve - C 8.3 N | KITO Armaturen KITO Armaturen GmbH - 1

Pressure relief valve - C 8.3 N | KITO Armaturen

Pressure relief valve - C 8.3 N | KITO Armaturen

KITO Armaturen GmbH

KITO DS/o-1 Pressure Relief Valve, Type C 8.3 N The KITO DS/o-1 C 8.3 N is an overpressure relief valve designed for storage tanks, intended for installation in conjunction with a vacuum relief valve. It is specified where the tank requires venting of gases or vapors at higher set pressures than the C 8.1 N series. This valve is not an explosion...

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Pressure relief valve - C 8.2 N | KITO Armaturen KITO Armaturen GmbH - 1

Pressure relief valve - C 8.2 N | KITO Armaturen

Pressure relief valve - C 8.2 N | KITO Armaturen

KITO Armaturen GmbH

KITO DS/o Pressure Relief Valve, Type C 8.2 N The KITO DS/o C 8.2 N is an overpressure relief valve designed for large storage tanks. It is installed on tank vent lines to provide controlled venting of gases or vapors when internal pressure exceeds the setpoint. This valve is not an explosion-proof device and does not provide protection against...

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Deflagration and endurance burning proof pressure relief valve - C 9.8 N | KITO Armaturen KITO Armaturen GmbH - 1

Deflagration and endurance burning proof pressure relief valve - C 9.8 N | KITO Armaturen

Deflagration and endurance burning proof pressure relief valve - C 9.8 N | KITO Armaturen

KITO Armaturen GmbH

KITO DS/M-IIA Pressure Relief Valve, Type C 9.8 N The KITO DS/M-IIA C 9.8 N is a pressure relief valve for storage tanks, equipped with integrated flame arrestor elements. Certified for deflagration and endurance burning protection, it is installed on tank roofs and typically paired with a separate vacuum relief valve for full pressure/vacuum protection....

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Pressure relief valve - C 8.1 N | KITO Armaturen KITO Armaturen GmbH - 1

Pressure relief valve - C 8.1 N | KITO Armaturen

Pressure relief valve - C 8.1 N | KITO Armaturen

KITO Armaturen GmbH

KITO DS/o Pressure Relief Valve, Type C 8.1 N The KITO DS/o is a weight-loaded pressure relief valve designed for installation on storage tanks, typically in conjunction with a vacuum relief valve. Its function is to provide controlled venting of gases or vapors when tank pressure exceeds the setpoint, minimizing product loss and protecting against...

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Pressure relief valve - C 8.6 N | KITO Armaturen KITO Armaturen GmbH - 1

Pressure relief valve - C 8.6 N | KITO Armaturen

Pressure relief valve - C 8.6 N | KITO Armaturen

KITO Armaturen GmbH

KITO DS/oG-PA Pressure Relief Valve, Type C 8.6 N The KITO DS/oG-PA C 8.6 N is a spring-loaded pressure relief valve designed for vertical installation on tank roofs. It is applied in tank breathing systems where higher set pressures are required, with simultaneous limitation of vapor or gas losses. This valve does not provide explosion or stabilized...

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Pressure relief valve - C 10.1 N | KITO Armaturen KITO Armaturen GmbH - 1

Pressure relief valve - C 10.1 N | KITO Armaturen

Pressure relief valve - C 10.1 N | KITO Armaturen

KITO Armaturen GmbH

Pressure Relief Valve KITO EV/o, Type C 10.1 N The KITO EV/o C 10.1 N is an emergency pressure relief valve designed for storage tanks. It is installed on tanks with a separate vacuum relief arrangement and serves to protect against hazardous overpressure, while minimizing vapor or gas losses. The valve can also be used as a manhole cover replacement with...

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Deflagration and endurance burning proof pressure relief valve - C 9.10 N | KITO Armaturen KITO Armaturen GmbH - 1

Deflagration and endurance burning proof pressure relief valve - C 9.10 N | KITO Armaturen

Deflagration and endurance burning proof pressure relief valve - C 9.10 N | KITO Armaturen

KITO Armaturen GmbH

KITO DS/M-IIB3 Pressure Relief Valve, Type C 9.10 N The KITO DS/M-IIB3 C 9.10 N is a pressure relief valve for storage tanks, integrating flame arrester elements. It is designed for tank breathing applications involving flammable liquids, where overpressure venting and protection against deflagration and endurance burning are required. Application Scope...

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Deflagration and endurance burning proof pressure relief valve - C 9.9 N | KITO Armaturen KITO Armaturen GmbH - 1

Deflagration and endurance burning proof pressure relief valve - C 9.9 N | KITO Armaturen

Deflagration and endurance burning proof pressure relief valve - C 9.9 N | KITO Armaturen

KITO Armaturen GmbH

KITO DS/M-IIB1 Pressure Relief Valve, Type C 9.9 N The KITO DS/M-IIB1 C 9.9 N is a pressure relief valve for storage tanks, equipped with integrated end-of-line flame arrestor elements. Designed to protect tank breathing openings against deflagration and sustained burning, it simultaneously relieves hazardous overpressure. Installation in enclosed spaces...

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Vacuum relief valve - D 12.4 N | KITO Armaturen KITO Armaturen GmbH - 1

Vacuum relief valve - D 12.4 N | KITO Armaturen

Vacuum relief valve - D 12.4 N | KITO Armaturen

KITO Armaturen GmbH

Vacuum Relief Valve KITO D12.4N The KITO VS/oP-…, type D12.4N, is a self-actuated vacuum relief valve designed for terminal installation on storage tanks and silos containing powdered or granular materials. The valve operates by admitting atmospheric air when negative pressure develops, preventing hazardous vacuum conditions in the vessel. All moving...

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Deflagration proof vacuum relief valve - D 11 N | KITO Armaturen KITO Armaturen GmbH - 1

Deflagration proof vacuum relief valve - D 11 N | KITO Armaturen

Deflagration proof vacuum relief valve - D 11 N | KITO Armaturen

KITO Armaturen GmbH

KITO D11N Vacuum Relief Valve with Flame Arrester The KITO VS/KS-…-IIB3, type D11N, is a self-actuated vacuum relief valve designed for air intake on storage tanks, vessels, and pipelines. Its function is to prevent unacceptable vacuum conditions and incorporates an integrated flame arrester element for protection against flame transmission. Application...

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Vacuum relief valve - D 9 N | KITO Armaturen KITO Armaturen GmbH - 1

Vacuum relief valve - D 9 N | KITO Armaturen

Vacuum relief valve - D 9 N | KITO Armaturen

KITO Armaturen GmbH

KITO D9N Vacuum Relief Valve The KITO VS/o cont. D9N is a self-actuated vacuum relief valve designed for installation as a terminal venting device on tanks and vessels. The valve opens when the internal vacuum exceeds the spring setpoint, allowing air ingress to limit unacceptable negative pressure within the tank. Industrial Applications Typically...

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Deflagration proof vacuum relief valve - D 8 N | KITO Armaturen KITO Armaturen GmbH - 1

Deflagration proof vacuum relief valve - D 8 N | KITO Armaturen

Deflagration proof vacuum relief valve - D 8 N | KITO Armaturen

KITO Armaturen GmbH

Vacuum Relief Valve with Flame Arrestor KITO D8N The KITO VS/cont. D8N is a self-actuated vacuum relief valve designed for installation at the end of tank lines, vessels, and piping systems. It is used where air ingress is required to prevent unacceptable vacuum conditions, while simultaneously providing flame transmission protection in atmospheres...

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Vacuum relief valve - D 12.1 N | KITO Armaturen KITO Armaturen GmbH - 1

Vacuum relief valve - D 12.1 N | KITO Armaturen

Vacuum relief valve - D 12.1 N | KITO Armaturen

KITO Armaturen GmbH

KITO D12.1N Vacuum Relief Valve The KITO VS/o-1-…, type D12.1N, is a self-actuated vacuum relief valve designed for end-of-line installation on tank vent nozzles. It admits air when the tank vacuum exceeds the setpoint, preventing unacceptable negative pressure in the tank shell. This model is not explosion-proof and is not intended for flammable media....

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Deflagration proof vacuum relief valve - D 11.1 N | KITO Armaturen KITO Armaturen GmbH - 1

Deflagration proof vacuum relief valve - D 11.1 N | KITO Armaturen

Deflagration proof vacuum relief valve - D 11.1 N | KITO Armaturen

KITO Armaturen GmbH

Vacuum Relief Valve with Flame Arrester KITO D11.1N The KITO VS/KS-1-…-IIB3, type D11.1N, is a self-actuated vacuum relief valve designed for air intake ports on tanks, vessels, and pipelines. The valve opens at a preset differential pressure when vacuum exceeds the setpoint, preventing unacceptable negative pressure in process equipment. Integrated flame...

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Deflagration proof vacuum relief valve - D 14 N | KITO Armaturen KITO Armaturen GmbH - 1

Deflagration proof vacuum relief valve - D 14 N | KITO Armaturen

Deflagration proof vacuum relief valve - D 14 N | KITO Armaturen

KITO Armaturen GmbH

KITO D14N Vacuum Relief Valve with Flame Arrester The KITO VS/KG-IIB3, type D14N, is a self-actuated vacuum relief valve designed for terminal installation on tank vent nozzles. It admits air when tank vacuum exceeds the setpoint and incorporates a flame arrester element to prevent flame transmission in systems handling flammable liquids. Typical...

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Vacuum relief valve - D 13 N | KITO Armaturen KITO Armaturen GmbH - 1

Vacuum relief valve - D 13 N | KITO Armaturen

Vacuum relief valve - D 13 N | KITO Armaturen

KITO Armaturen GmbH

KITO D13N Vacuum Relief Valve The KITO VS/oG-… type D13N is a self-actuated vacuum relief valve designed for end-of-line installation on tank vent nozzles. The valve opens when the tank vacuum exceeds the setpoint, allowing air ingress to prevent unacceptable negative pressure in the tank shell. This model is not explosion-proof and must not be used with...

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Vacuum relief valve - D 12 N | KITO Armaturen KITO Armaturen GmbH - 1

Vacuum relief valve - D 12 N | KITO Armaturen

Vacuum relief valve - D 12 N | KITO Armaturen

KITO Armaturen GmbH

Vacuum Relief Valve KITO D12N The KITO VS/o-… type D12N is a self-actuated vacuum relief valve designed for tank venting applications. It is installed as a terminal device on tank roofs and opens when the vacuum exceeds the setpoint, allowing air ingress. This model is not explosion-proof and is not suitable for use with flammable media. Applications...

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Deflagration and endurance burning proof pressure and vacuum relief valve - E 14.1 N | KITO Armaturen KITO Armaturen GmbH - 1

Deflagration and endurance burning proof pressure and vacuum relief valve - E 14.1 N | KITO Armaturen

Deflagration and endurance burning proof pressure and vacuum relief valve - E 14.1 N | KITO Armaturen

KITO Armaturen GmbH

KITO E 14.1 N – Pressure/Vacuum Valve with Flame Arrester The KITO VD/KL-1-IIA-…/…-A / -K is a self-actuated tank breather valve designed for installation on fixed roof storage tanks at vent openings. It provides overpressure and vacuum protection, integrated with a flame arrester element for explosion group IIA vapors, and is suitable for continuous...

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