ISO 9001 certified and internationally recognized for engineering precision, Jefferson's robust product lines are trusted by critical industries worldwide. Jefferson's current catalog of standard products includes over 3,000 models between solenoid valves and magnetic level switches which satisfy different needs and industrial requirements to control the most diverse liquids and gases such as water, air, steam, oils, refrigerants, oxygen, liquid nitrogen, corrosive fluids and many others.

Available in both normally closed and normally open configurations, it suits pneumatic actuation circuits and general industrial fluid control. It fits mid-range pipework commonly found in actuators, compressors, turbines, automation, and light manufacturing lines. Its compatibility with light oil and a broad voltage range across AC and DC supplies enhances installation flexibility.

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With a compact ¼" port and pressure tolerance up to 100 bar, it serves steam distribution, vacuum, and precision fluid systems. The body is available in brass, iron, and stainless steel to suit corrosion resistance requirements, while sealing options including EPDM, FKM, and PTFE broaden its chemical compatibility. It is well-suited to laboratory equipment, industrial steam lines, and process control applications.

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Its 2/2-way design in both NC and NO variants allows straightforward integration into safety shutdown and flow control circuits. With a large orifice range, this valve handles substantial gas volumes. The aluminium body keeps weight low, while the stainless steel option suits corrosive gas combustion equipment and its related gas installations.

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Its mid-range port sizing from ⅜" to ¾" and orifice diameter of 8–14 mm makes it appropriate for general purpose applications and in gas burners, vacuum systems, and fuel oil distribution in heating equipment. The broad temperature range up to 180°C, combined with EPDM and FKM sealing options, ensures reliable performance even in thermally demanding service conditions. Available in brass and stainless steel construction.

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This valve is commonly deployed in steam distribution headers, industrial washdown systems, and large-scale water treatment plants where high flow rates are essential. It’s broad pressure capability of up to 17 bar and temperature tolerance to 180°C ensure it functions reliably across a wide spectrum of steam and hot water circuits. Multiple seal materials allow compatibility with treated water and clean steam.

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It handles ammonia and standard refrigerant media at pressures up to 28 bar, making it suitable for large cold storage facilities, ice plants, and process cooling loops. The full stainless steel construction and PTFE seals are specified to meet the stringent material compatibility requirements of ammonia systems, and the valve's rated operational range down to -40°C addresses the thermal demands of deep-freeze applications.

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With a pneumatic operation mode and port sizes from ¼" to ½", it is well suited to integration within pneumatic circuits for handling systems, assembly lines, and process automation. The valve accommodates air, light gases, water, and light oil, with a body available in aluminium, brass, or stainless steel depending on the environment. Its compact configuration and 5-port design allow efficient control of double-acting actuators.

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Operating in normally closed configuration, it provides fail-safe fluid shutoff for hazardous liquid lines. The small orifice sizes from 2.25 to 7mm suit precision dosing circuits. Its input-to-output pressure differential specification of 4 to 2 bar guides proper system design for pressure-assisted seating.

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With a ¼" port and pressure rating up to 20 bar, it serves air, water, light oil, and gas circuits in process control, pneumatic pilot systems, and HVAC networks. Body material options spanning brass, stainless steel, and iron allow the valve to be specified for a range of installation environments, from food processing to chemical plant utility systems.

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Operating at low pressures up to 2 bar, it is appropriate for gas manifold systems, boiler control installations, and industrial oven burner lines. The injected aluminium body offers a weight advantage in skid-mounted systems, and the stainless steel option provides corrosion protection in humid or outdoor environments.

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In a 2/2-way configuration, it controls refrigerant flow within condensing units, expansion valve circuits, and liquid line isolation applications. The brass body and PTFE seal combination provides adequate chemical resistance while keeping material costs manageable. Its pressure rating of 28 bar covers the elevated pressures encountered with modern high-pressure refrigerants.

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Its large orifice range of 32–51 mm across 1" to 2" ports provides high volumetric flow capacity for gas heating appliances, industrial furnaces, and gas treatment plant inlet isolation. The aluminium body construction keeps the assembly lightweight, making it practical for ceiling or overhead installations in gas handling systems.

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Available across a wide port range from 1/4" to 2", these valves serve liquid nitrogen, LNG, liquid CO₂, and other sub-zero media in aerospace testing, gas production, medical gas plants, and cryogenic storage facilities. PTFE sealing and bronze or stainless steel body options ensure dimensional stability and chemical resistance in cryogenic service. The extended bonnet design prevents ice formation at the stem and coil.

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