Abrasive Nozzle Tube 20480977 Techni Water Jet Pump Parts For Sale
Abrasive Nozzle Tube 20480977 Techni Water Jet Pump Parts For Sale
The part 20480977 is an OEM abrasive nozzle tube with a ¾″-16 UNF left-hand IDE connection and a 0.750″ inner diameter, cut to a 7.75″ length for use in 60 000 psi waterjet cutting heads.
Part Overview
Part Number: 20480977
Designation: NOZ TBE -.75 × 7.75, LH (Abrasive nozzle tube)
Connection: ¾″-16 UNF left-hand (IDE standard)
Inner Diameter: 0.750 in. ID
Length: 7.75 in.
Pressure Rating: 60 000 psi (4 100 bar) service
Material: Precision-machined stainless sTeel or hardened alloy
Finish: Passivated for corrosion resistance
Weight: ~0.5 lb (varies slightly by distributor)
Installation & Maintenance
Depressurize System: Fully isolate hydraulic and abrasive supply pressures.
Head Removal: Remove the cutting head assembly from the pump.
Disassemble Head: Unscrew the existing nozzle tube using the appropriate LH-thread wrench.
Inspect Components: Check the Mixing Chamber, Seals, and Focusing Tube for wear; replace seals as needed.
Install New Tube: Thread in the 20480977 nozzle tube until hand-tight, then torque to 60 ft-lb per
Reassemble & Test: Reinstall the head, bring up to low pressure to check for leaks, then ramp to full operating pressure and verify jet stability.
Part Overview
Part Number: 20480977
Designation: NOZ TBE -.75 × 7.75, LH (Abrasive nozzle tube)
Connection: ¾″-16 UNF left-hand (IDE standard)
Inner Diameter: 0.750 in. ID
Length: 7.75 in.
Pressure Rating: 60 000 psi (4 100 bar) service
Material: Precision-machined stainless sTeel or hardened alloy
Finish: Passivated for corrosion resistance
Weight: ~0.5 lb (varies slightly by distributor)
Installation & Maintenance
Depressurize System: Fully isolate hydraulic and abrasive supply pressures.
Head Removal: Remove the cutting head assembly from the pump.
Disassemble Head: Unscrew the existing nozzle tube using the appropriate LH-thread wrench.
Inspect Components: Check the Mixing Chamber, Seals, and Focusing Tube for wear; replace seals as needed.
Install New Tube: Thread in the 20480977 nozzle tube until hand-tight, then torque to 60 ft-lb per
Reassemble & Test: Reinstall the head, bring up to low pressure to check for leaks, then ramp to full operating pressure and verify jet stability.
