This 3/4" SAE nut for ø 18 mm copper pipe is designed for robust, leak-resistant connections in refrigeration and air conditioning systems. Compatible with reference codes from Castel and Olab, it is ideal for professional installations using a wide range of ASHRAE 34:2019 approved refrigerants.
Features
SAE flare: 3/4"
Copper pipe diameter: 18 mm
Maximum pressure: 50 bar
Compliant with ASHRAE 34:2019 for Class A1, A2L, A3 refrigerants
Looking for similar items or different specifications for this Nut 3/4" SAE ø 18 mm for Refrigeration – Compatible with Castel and Olab?
Explore our full range in the Horeca, Refrigeration Fittings categories
*
This part is compatible to the original part number. Part numbers are always leading.
Simplify charging, evacuation, and pressure testing on refrigeration and HVAC lines with this access valve. Featuring a ¼″ SAE male inlet and a ¼″ NPT female outlet, its precision-machined brass body delivers a reliable, leak-proof seal without the need for adapters.
Dual-Thread Design: ¼″ SAE to ¼″ NPT for universal compatibility....
Prevent moisture-related issues in your refrigeration and HVAC systems with the Danfoss Humidity Indicator SGN6. Its inline design features a Ø ¼″ FM SAE connection and a vivid color-changing element that transitions from blue to pink when moisture is present, enabling fast, reliable maintenance checks.
Ø ¼″ FM SAE Thread: Standard...
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...
Protect your refrigeration and HVAC equipment from moisture-related damage with the Castel ⅜″ MM SAE Humidity Indicator. Featuring a built-in color-changing window, it provides clear, immediate alerts—turning from blue to pink/red—so you can perform maintenance before system performance is compromised.
Instant Visual Feedback: Color...
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″...
Achieve hassle-free hose and tube routing in your refrigeration and HVAC systems with the Castel Double Swivel Sleeve US4-6 3/8″ SAE. Featuring two independent swivel ends, this coupling lets you align connections without twisting or stressing lines—ideal for tight or awkward installations.
Dual Swivel Ends: Independent 3/8″ SAE...
Achieve leak-proof connections in your refrigeration, air-conditioning, and chilled-water circuits with the Castel Nut ¼″ SAE for 6 mm ODS tubing. Its precision-machined brass construction and standard ¼″ SAE threads ensure a secure seal under high-pressure conditions.
Features & Benefits
Standard ¼″ SAE Threads: Fits common cooling-system ports
ODS...
This 3/4" SAE nut for ø 5/8" (16 mm) copper pipe is engineered for robust, leak-resistant connections in refrigeration and air conditioning systems. Designed to fit widely-used reference codes from Castel, Olab, and Refco, this nut is suitable for installations using a full spectrum of ASHRAE 34:2019 approved refrigerants.
Features
SAE flare: 3/4"...