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List of products by brand Castel

We offer components from Castel Engineering for professional refrigeration and air conditioning work. Their range focuses on practical installation and finishing solutions used in cold rooms, freezers and cleanrooms, as well as accessories for heat pumps and split air conditioning units.

If you’re maintaining an existing installation or building a new project, the right profiles, ducts and protective elements help improve hygiene, durability and day-to-day usability.

Castel DI308N/3 Cooling-Line Filter with Humidity Indicator Castel DI308N/3 Cooling-Line Filter with Humidity Indicator

Castel DI308N/3 Cooling-Line Filter with Humidity Indicator

Protect your refrigeration and air-conditioning loops from moisture and debris with the Castel DI308N/3 Cooling-Line Filter. Its built-in humidity indicator provides instant visual feedback on refrigerant moisture levels, while efficient condensate separation safeguards downstream equipment. Features & Benefits Integrated Humidity Indicator:...
€53.56
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Castel 1132/08 G 1″ Cooling-Water Solenoid Valve NC HM2 Castel 1132/08 G 1″ Cooling-Water Solenoid Valve NC HM2

Castel 1132/08 G 1″ Cooling-Water Solenoid Valve NC with HM2 Coil

Ensure precise, leak-free control of water in HVAC, refrigeration, and process-cooling loops with the Castel 1132/08 G 1″ solenoid valve. Its normally-closed design stops flow when power is off, while the HM2 coil delivers continuous-duty service in demanding environments. Features & Benefits Normally Closed (NC): Prevents unintended flow...
€177.06
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Castel Humidity Indicator Ø ¼″ – 6 mm for Cooling Systems Castel Humidity Indicator Ø ¼″ – 6 mm for Cooling Systems

Castel Humidity Indicator Ø ¼″ – 6 mm for Cooling Systems

Protect your refrigeration and air-conditioning circuits from moisture damage with the Castel Humidity Indicator. Its brass housing and built-in color-change sight glass provide clear, real-time feedback on humidity levels in Ø ¼″ (6 mm) cooling lines. Features & Benefits Instant Moisture Alerts: Color-change sight glass instantly shows...
€38.42
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Castel 1020/2 ¼″ SAE Direct-Action NC Solenoid Valve Castel 1020/2 ¼″ SAE Direct-Action NC Solenoid Valve

Castel 1020/2 ¼″ SAE Direct-Action NC Solenoid Valve

Ensure precise on/off control in your refrigeration, HVAC, or cooling‐water systems with the Castel 1020/2 solenoid valve. Its direct‐action, normally‐closed design offers instant response and positive shutoff, even at low pressures. Features & Benefits Direct-Action NC: No minimum differential pressure required for reliable sealing...
€67.49
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Castel 1020/3 ⅜″ SAE Direct-Action NC Solenoid Valve Castel 1020/3 ⅜″ SAE Direct-Action NC Solenoid Valve

Castel 1020/3 ⅜″ SAE Direct-Action NC Solenoid Valve

Deliver fast, reliable shut-off in refrigeration, HVAC, and cooling-water circuits with the Castel 1020/3 solenoid valve. Its direct-action, normally-closed design ensures positive sealing without a minimum differential pressure requirement. Features & Benefits Direct-Action NC: Instantly seals off flow when de-energized, even at low...
€45.45
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Castel 1028/M10 Ø 10 mm Direct-Action NC Solenoid Valve for Cooling Systems Castel 1028/M10 Ø 10 mm Direct-Action NC Solenoid Valve for Cooling Systems

Castel 1028/M10 Ø 10 mm Direct-Action NC Solenoid Valve

Deliver precise on/off control in your refrigeration and cooling-water systems with the Castel 1028/M10 solenoid valve. Its direct-action, normally-closed design ensures leak-free shut-off even at low pressures, and the brass construction with epoxy-sealed coil housing provides corrosion resistance and continuous-duty reliability. Features & Benefits...
€51.23
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Castel Cap Valve ¼″ SAE for Hermetic Units Castel Cap Valve ¼″ SAE for Hermetic Units

Castel Cap Valve ¼″ SAE for Hermetic Units

Maintain the integrity of your hermetic refrigeration compressors with the Castel Cap Valve ¼″ SAE. Crafted from brass and featuring a PTFE gasket, this service-port cap provides a secure, leak-proof seal to prevent refrigerant loss and contamination during system downtime. Features & Benefits PTFE Gasket: Excellent sealing under high...
€22.06
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Castel Check Valve Ø 6 mm – Models 3132W/2, 3130/2 & 3132/2 Castel Check Valve Ø 6 mm – Models 3132W/2, 3130/2 & 3132/2

Castel Check Valve Ø 6 mm for Cooling Systems

Prevent backflow in your refrigeration and HVAC loops with the Castel Check Valve Ø 6 mm. Its precise brass construction and three cracking-pressure options—3132W/2 (0.1 bar), 3130/2 (0.3 bar), and 3132/2 (0.5 bar)—ensure unidirectional flow and protect critical components. Features & Benefits Three Variants: Choose cracking pressure to...
€44.52
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Castel 110 V HF2 Solenoid Coil – Cooling Applications Castel 110 V HF2 Solenoid Coil – Cooling Applications

Castel 110 V HF2 Solenoid Coil for Cooling Systems

Optimize your icemaker and refrigeration valve performance with the Castel 110 V HF2 Coil. Designed for continuous-duty at 50/60 Hz and housed in an epoxy-sealed enclosure, this coil resists moisture and dust for dependable operation in cooling environments. Features & Benefits 110 V AC, 50/60 Hz: Standard power for commercial cooling...
€23.28
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Castel 24 VAC HF2 Coil – Cooling System Valves Castel 24 VAC HF2 Coil – Cooling System Valves

Castel 24 VAC HF2 Solenoid Coil for Cooling Systems

Optimize the performance of your refrigeration, icemaker, and HVAC solenoid valves with the Castel 24 VAC HF2 Coil. Designed for continuous-duty operation at 50 Hz and 60 Hz and protected by an epoxy-sealed housing, this coil resists moisture and dust for dependable service in cooling environments. Features & Benefits 24 VAC, 50/60 Hz:...
€23.28
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Castel PG9 Solenoid Connector – IP65, Gasketed Castel PG9 Solenoid Connector – IP65, Gasketed

Castel Solenoid Valve Connector PG9 – IP65, Gasketed

Secure your refrigeration and HVAC solenoid valve coils with the Castel PG9 Connector. Its IP65-rated housing, PG9 cable gland, and integrated gasket seal out dust and water, while nickel-plated brass contacts deliver reliable conductivity in demanding cooling environments. Features & Benefits PG9 Cable Gland: Accommodates Ø 4–8 mm cables...
€3.86
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Castel DI305N/2S Cooling-Line Filter with Humidity Indicator Castel DI305N/2S Cooling-Line Filter with Humidity Indicator

Castel DI305N/2S Cooling-Line Filter with Humidity Indicator

Ensure moisture-free operation in your refrigeration and air-conditioning systems with the Castel DI305N/2S Cooling-Line Filter. Its built-in humidity indicator provides instant visual feedback on refrigerant moisture levels, while efficient condensate separation protects downstream components. Features & Benefits Built-In Humidity...
€50.62
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Castel DI305N/3 Cooling-Line Filter with Humidity Indicator Castel DI305N/3 Cooling-Line Filter with Humidity Indicator

Castel DI305N/3 Cooling-Line Filter with Humidity Indicator

Maintain dry, contaminant-free refrigerant flow in your cooling systems with the Castel DI305N/3 Cooling-Line Filter. Its built-in humidity indicator provides instant visual feedback on moisture levels, while efficient condensate separation protects downstream components. Features & Benefits Built-In Humidity Indicator: Color-change sight...
€50.21
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Castel DI305N/3S Cooling-Line Filter with Humidity Indicator Castel DI305N/3S Cooling-Line Filter with Humidity Indicator

Castel DI305N/3S Cooling-Line Filter with Humidity Indicator

Ensure dry, contaminant-free refrigerant flow in your HVAC and refrigeration systems with the Castel DI305N/3S Cooling-Line Filter. Its integrated humidity indicator provides instant visual feedback on moisture levels, while efficient condensate separation guards downstream components. Features & Benefits Built-in Humidity Indicator:...
€50.21
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Castel DI305N/M10S Cooling-Line Filter with Humidity Indicator Castel DI305N/M10S Cooling-Line Filter with Humidity Indicator

Castel DI305N/M10S Cooling-Line Filter with Humidity Indicator

Maintain dry, contaminant-free refrigerant flow in your cooling systems with the Castel DI305N/M10S Cooling-Line Filter. Its integrated humidity indicator provides instant visual feedback on moisture levels, while efficient condensate separation protects downstream components. Features & Benefits Built-In Humidity Indicator: Color-change...
€52.34
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Castel DI308N/2S Cooling-Line Filter with Humidity Indicator Castel DI308N/2S Cooling-Line Filter with Humidity Indicator

Castel DI308N/2S Cooling-Line Filter with Humidity Indicator

Ensure moisture-free, contaminant-free refrigerant flow in your cooling systems with the Castel DI308N/2S Cooling-Line Filter. Its integrated humidity indicator provides instant visual feedback on moisture levels, while efficient condensate separation safeguards downstream components. Features & Benefits Built-In Humidity Indicator:...
€51.02
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Castel DI308N/3S Cooling-Line Filter with Humidity Indicator Castel DI308N/3S Cooling-Line Filter with Humidity Indicator

Castel DI308N/3S Cooling-Line Filter with Humidity Indicator

Protect your refrigeration and HVAC cooling circuits from moisture and debris with the Castel DI308N/3S filter. Its integrated humidity indicator instantly signals rising moisture, while efficient condensate separation safeguards compressors and heat-exchange components. Features & Benefits Integrated Humidity Indicator: Color-change sight...
€53.87
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Castel DI316N/3 Cooling-Line Filter with Humidity Indicator Castel DI316N/3 Cooling-Line Filter with Humidity Indicator

Castel DI316N/3 Cooling-Line Filter with Humidity Indicator

Ensure dry, contaminant-free operation in your refrigeration and HVAC cooling circuits with the Castel DI316N/3 Cooling-Line Filter. Its integrated humidity indicator provides instant visual feedback on moisture levels, while efficient condensate separation protects downstream components. Features & Benefits Built-In Humidity Indicator:...
€60.48
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Castel Humidity Indicator 3/8″ FM SAE for Cooling Systems Castel Humidity Indicator 3/8″ FM SAE for Cooling Systems

Castel Humidity Indicator 3/8″ FM SAE for Cooling Systems

Ensure dry, contaminant-free refrigerant flow in your cooling circuits with the Castel Humidity Indicator 3/8″ FM SAE. Made in Slovenia from durable brass, its integrated color-change sight glass instantly signals rising moisture levels, helping you prevent compressor damage and downtime. Features & Benefits 3/8″ FM SAE Connection: Standard...
€43.71
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Castel Humidity Indicators ¼″ FM SAE – Models 3950/22 & 3750/22 Castel Humidity Indicators ¼″ FM SAE – Models 3950/22 & 3750/22

Castel Humidity Indicators ¼″ FM SAE for Cooling Systems

Ensure moisture-free refrigerant flow in your cooling circuits with the Castel Humidity Indicators ¼″ FM SAE. These Italian-made indicators feature durable brass bodies and an integrated color-change sight glass for instant moisture detection. Features & Benefits Dual Models: 3950/22 & 3750/22 to suit system preferences Standard ¼″...
€29.48
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Castel 1028/3A6 Ø 3/8″ Direct-Action NC Solenoid Valve with 220 V Coil & Connector Castel 1028/3A6 Ø 3/8″ Direct-Action NC Solenoid Valve with 220 V Coil & Connector

Castel 1028/3A6 3/8″ Direct-Action NC Valve with 220 V Coil

Ensure precise, leak-proof control in refrigeration, HVAC, and cooling-water loops with the Castel 1028/3A6 solenoid valve. Its direct-action, normally-closed design requires no minimum differential pressure, and the included 220 V continuous-duty coil with quick-attach connector simplifies installation. Features & Benefits Direct-Action NC:...
€77.65
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Castel 1068/3A6 Ø 3/8″ Diaphragm NC Solenoid Valve with 220 V Coil & Connector Castel 1068/3A6 Ø 3/8″ Diaphragm NC Solenoid Valve with 220 V Coil & Connector

Castel 1068/3A6 3/8″ Diaphragm NC Valve with 220 V Coil

Achieve precise, leak-free flow control in refrigeration, HVAC, and cooling-water circuits with the Castel 1068/3A6 diaphragm solenoid valve. Its normally-closed design and flexible diaphragm ensure tight sealing at low pressures, while the included 220 V continuous-duty coil and quick-attach connector simplify installation. Features & Benefits...
€100.93
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Castel Water Pressure Valve G 1/2″ – Model 3210/04 Castel Water Pressure Valve G 1/2″ – Model 3210/04

Castel Water Pressure Valve G 1/2″

Ensure safe, consistent pressure control in your refrigeration, HVAC, and cooling-water circuits with the Castel Water Pressure Valve. Its spring-loaded mechanism opens at a preset threshold to relieve excess pressure, protecting pumps, heat exchangers, and piping from damage. Features & Benefits G 1/2″ BSP Ports: Standard threads for easy...
€219.03
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Castel Water Pressure Valve G 3/8″ – Model 3210/03 Castel Water Pressure Valve G 3/8″ – Model 3210/03

Castel Water Pressure Valve G 3/8″

Ensure stable, safe pressure in your refrigeration and HVAC cooling-water circuits with the Castel Water Pressure Valve. Its spring-loaded design automatically relieves excess pressure, protecting pumps and heat-exchange equipment from damage. Features & Benefits G 3/8″ BSP Ports: Standard threads for seamless integration Spring-Loaded...
€219.03
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About the brand

Castel Engineering manufactures plastic parts and profiles for the HVAC-R industry, with production know-how in injection moulding and profile extrusion. Their product focus is strongly “installer-first”: durable components that speed up installation, protect surfaces and create a clean, professional finish—especially in high-use environments like refrigerated rooms and technical areas.

The company is headquartered in Mouscron, Belgium, and operates within the broader DiversiTech Europe group.

Typical product areas you may need components for

Depending on the installation, Castel Engineering components are commonly used for:

  • Split AC / heat pump installation finishing (ducting and installation accessories)

  • Coldroom and cleanroom protection & hygiene (wall-to-floor hygienic profiles, panel protections, backing profiles)

  • Structural and mounting accessories (ceiling suspensions and related installation parts)

  • Storage and workspace builds (modular shelving solutions)

Why the right components matter

Correct HVAC-R accessories help maintain:

  • Hygiene and easy cleaning (especially in cold rooms and clean areas)

  • Impact protection for panels and high-traffic zones

  • A cleaner finish for visible installations (duct routing and tidy edges)

  • Long-term reliability by reducing wear, movement and damage