Repair kit, Mini On-Off, 711484-1

MINI-ON/OFF VALVE REPAIR KIT, 60K

HJ-711484-1

FLOW PART NUMBER: 711848-1

H20 PART NUMBER: 302001-3
ADDITIONAL REFERENCES: 1-18708

 

This kit includes the following parts:

HJ-710820-1 ON/OFF Valve Seal, Dynamic

HJ-A-0275-014 O-Ring

HJ-710821-1 ON/OFF Guide Valve Needle, Dynamic

HJ-014556-1 / B-8075-005 O-Ring

HJ-710819-1 ON/Off Backup Ring, Seal

HJ-014203-1  Tool; RMVL; Seal; ON/OFF VLV

HJ-710822-1 ON/OFF Poppet

HJ-710823-1 Mini ON/OFF Valve Seat, 60K

Mini On/Off Valve Repair Kit, 60K | HJ-711848-1


The HJ WATERJET Mini On/Off Valve Repair Kit, 60K (HJ-711484-1 or HJ-302001-3) is a precision-engineered On/Off Valve Repair Kit designed specifically for compact (mini) on/off valve assemblies used in waterjet cutting systems operating up to 60,000 PSI (4,100 bar).

Mini on/off valves are commonly used in compact cutting heads, robotic systems, and space-constrained installations, where fast response time and precise flow control are critical. Due to their smaller internal geometry, these valves are subject to accelerated wear from high-pressure cycling, making regular maintenance essential.

The HJ-711484-1 or HJ-302001-3  Mini On/Off Valve Repair Kit includes all necessary internal components to restore sealing integrity, actuation performance, and leak-free operation, ensuring consistent cutting performance and system reliability.

 

Key Benefits

  • Restores Precision Control – Critical for detailed cutting applications
  • Eliminates Leaks – Ensures complete shutoff
  • Improves Response Time – Fast actuation for high-speed operations
  • Extends Valve Life – Reduces internal wear
  • Designed for Compact Systems – Perfect fit for mini valve assemblies

 

Applications

  • Precision waterjet cutting systems
  • Robotic cutting cells
  • Aerospace and fine-detail fabrication
  • Electronics and composite cutting
  • Space-constrained installations

 

Frequently Asked Questions | HJ-711484-1

  • What is HJ Waterjet part number HJ-711484-1?
    HJ-711484-1
    is a direct replacement for FLOW 711484-1 Mini On/Off Valve Repair/Maintenance Kit used to rebuild the 60K mini on/off valve.
  • What valve does HJ-711484-1 fit?
    It is associated with Flow 60K mini/dynamic on/off valve, including the HJ-710866-1 valve body and related components. 
  • Is HJ-711484-1 a complete valve assembly?
    No. It is a repair/maintenance kit. The complete 60K mini valve assembly is a different part number, such as HJ-710870-1. 
  • What are the common symptoms that indicate the kit is needed?
    Typical indications include dripping or leakage when the valve should be closed, delayed shutoff, inconsistent opening/closing, and deterioration in cutting/piercing performance. HJ Waterjet specifically recommends servicing sealing components when delayed shutoff or dripping occurs.  
  • Does HJ-711484-1 replace other part numbers?
    Cross-reference listings identify equivalents/references including FLOW 711484-1 and H2O Jet 302001-3. 
  • Is HJ-711484-1 for 60K or 94K?
    60K. The 94K mini on/off valve uses a different repair kit, commonly identified as HJ-014988-1. 
  • How often should it be replaced?
    There is not a single universal replacement interval because valve life depends heavily on cycling, pressure, water quality, and operating conditions. A practical approach is to inspect/service it when leakage, slow response, or sealing problems appear, or during scheduled valve maintenance.
  • Can I replace individual components instead of the whole kit?
    Yes. Components such as the HJ-710822-1 Poppet, HJ-710823-1 Seat, HJ-710820-1 Seal, and HJ-710819-1 Backup Ring are individually identifiable. However, if the valve is already being rebuilt, replacing the complete kit is generally the more straightforward maintenance approach. 
  • What is the difference between HJ-711484-1 and HJ-019623-1?
    HJ-711484-1 
    is the Repair/Maintenance Kit and HJ-019623-1 is a separate On/Off Valve Seal Installation Tool Kit.

 

 

Why Choose HJ Waterjet?

HJ Waterjet replacement parts are engineered to deliver premium-quality, reliable performance, precision fit, and long-lasting durability at a competitive price. Precision manufactured to exact specifications using high-quality materials and tight tolerances, our components are designed for compatibility with OEM waterjet systems and demanding industrial applications. By focusing on quality, precision, and value—not expensive branding—we help manufacturers reduce maintenance costs, minimize downtime, and maximize productivity without compromising performance or reliability. When precision matters, HJ Waterjet delivers the quality, reliability, and value professionals trust. Premium Performance Without the Premium Price

 

** HJ WATERJET IS IN NO WAY AFFILIATED WITH GMA, EBBCO, KENNAMETAL, KMT, FLOW, BFT, H2O, OMAX, ACCUSTREAM, HYPERTHERM OR TECHNI. PART NUMBERS ARE FOR CONVENIENCE ONLY.

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