Lightweight aluminum alloy, no liquid dripping 'SPT/CG' [Fluid Coupling]

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Stobri Fluid Coupling SPT/CG

last updated：Feb 20, 2026

ストーブリ

Lightweight aluminum alloy! Thanks to Flash Face technology, there is no foreign matter intrusion (during connection) or liquid leakage (during separation) into the circuit!

- Flash Face Technology: No foreign matter contamination within the circuit - No liquid leakage: Usable in electrical environments and high-voltage environments - Reliable locking mechanism and sturdy material - Optimized flow: Low pressure loss due to optimized internal structure - Compact and lightweight: Made of a special aluminum alloy - For equipment protection: Pressure relief valve (optional) to prevent temperature rise due to internal pressure increase

Inquire About This Product

basic information

Size: 7 types - Nominal diameter: 5, 8, 10, 12, 17, 20, 25 mm Maximum allowable pressure: Varies depending on the temperature and size during use. - For temperatures up to 150℃: 40 bar (SPT 05), 20 bar (SPT 08, 10, 12, 17, 20), 16 bar (SPT 25) - For temperatures between 150 and 200℃: 13 bar (SPT 05), 7 bar (SPT 08, 10, 12, 17, 20), 5 bar (SPT 25) Presence of valves: Both valves/flat face structure Seal materials - Nitrile rubber: -15 to 100 ℃ - Fluoro rubber: -10 to 200 ℃ - Perfluoroelastomer: 0 to 200 ℃ - Fluorosilicone: -40 to 175 ℃ - Ethylene propylene: -20 to 150 ℃ Component materials: Aluminum alloy with surface treatment

Price range

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Delivery Time

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Applications/Examples of results

Fluid used: - Glycol water, heat transfer oil, cooling water, others Applications: - Cooling of electronic devices: converters, medical imaging equipment, communication devices, data centers, radar, others... - Temperature control circuits - Water cooling systems (chillers)

Detailed information

Meneji connection
Male thread connection (with 60° cone)
Threaded connection (JIC)

Line up（6）

Model number	overview
SPT 05 /L/CG	Nominal diameter: 5 mm / Maximum allowable pressure: 40 bar (up to 150℃), 13 bar (150 to 200℃) / Connection: G 1/4, UNF 9/16-18 JIC
SPT 08 /L/CG	Nominal diameter: 8 mm / Maximum allowable pressure: 20 bar (up to 150℃), 7 bar (150 to 200℃) / Connection: G 3/8, UNF 3/4-16 JIC
SPT 10 /L/CG	Nominal diameter: 10 mm / Maximum allowable pressure: 20 bar (up to 150℃), 7 bar (150 to 200℃) / Connection: G 1/2, UNF 7/8-14 JIC
SPT 12 /L/CG	Nominal diameter: 12 mm / Maximum allowable pressure: 20 bar (up to 150℃), 7 bar (150 to 200℃) / Connection: G 3/4, UNF 1 1/16-12 JIC
SPT 17 /L/CG	Nominal diameter: 17 mm / Maximum allowable pressure: 20 bar (up to 150℃), 7 bar (150 to 200℃) / Connection: G 3/4, UNF 1 5/16-12 JIC
SPT 25 /L/CG	Nominal diameter: 25 mm / Maximum allowable pressure: 16 bar (up to 150℃), 5 bar (150 to 200℃) / Connection: G 1, UNF 1 5/8-12 JIC