Abrasive Nozzle Tube 20480977 Techni Water Jet Pump Parts For Sale
Abrasive Nozzle Tube 20480977 Techni Waterjet-Cutter-Machine-Price-p.html target='_blank'>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.
