Hydraulic Reducer from 1'' M to 3/4 1/2 3/8 1/4 F

🔧 Hydraulic Reducer Set 1" Male → Female (GAS/BSP)

Set of 4 3D printable hydraulic reducers/adapters, designed to adapt a 1" GAS/BSP male thread to smaller diameter female threads

The download is multi-profile: it includes a separate model for each size, so you can directly choose the version you need

Versions included:

• 1" Male → 3/4" Female
• 1" Male → 1/2" Female
• 1" Male → 3/8" Female
• 1" Male → 1/4" Female

Ideal for:

• irrigation systems
• temporary connections
• tests and prototypes
• workshop and DIY
• thread compatibility verification

✔ Threads compatible with GAS/BSP hydraulic standard (Whitworth 55°)
✔ Central hexagonal body for wrench tightening
✔ Geometry optimized for FDM printing
✔ Compact and robust structure
✔ Multi-profile with 4 sizes included

📐 TECHNICAL SPECIFICATIONS

• Thread side A: 1" GAS (BSP) male
• Thread side B: 3/4", 1/2", 3/8", 1/4" GAS (BSP) female
• Body with central hexagon for tightening
• Compatible with standard hydraulic fittings

🟢 Note on 1/4" version

The 1/4" version has been modeled with reduced play to achieve a more precise coupling with very small fittings
During assembly, it may be necessary to lightly tighten with a wrench on the hexagon To improve sealing, the use of PTFE (Teflon) tape is still recommended

🖨️ RECOMMENDED PRINT SETTINGS

• Material: PLA / PETG / ASA / Nylon
• Layer height: 0.2 mm
• Recommended infill: 40%
• Print orientation: vertical

To achieve maximum strength, 100% infill is recommended

⚠️ Warning

Not suitable for high pressure, hot water, gas, or critical systems

To improve sealing, the use of PTFE (Teflon) tape is recommended

🛠 Note

All models in my collection are tested with commercial metal fittings to verify compatibility and correct thread coupling

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