VALVE STEM

HJ-5102181

BFT PART NUMBER: 5102181

OLD PART NUMBER: WJ070005/551

STM PART NUMBER: HD400056

FOR PRICING, PLEASE EMAIL PARTS@HJWATERJET.COM OR CALL US AT 706-529-3620

Product Description

 

The HJ WATERJET Valve Stem (HJ-5102181) is a precision-machined high-pressure release valve stem manufactured from premium hardened stainless steel and high-strength engineered alloy materials and designed for BFT SERVOTRON, HYTRON, ECOTRON, HYPERTRON, and Semperdur ultra-high-pressure waterjet intensifier systems, delivering reliable valve actuation, stable pressure control, and long-lasting operational durability in demanding industrial waterjet applications.

The HJ-5102181 HJ WATERJET Valve Stem operates within the release valve, dump valve, and pressure regulation assemblies, where it controls the opening and closing movement of the valve mechanism during ultra-high-pressure operation. The valve stem plays a key role in maintaining proper sealing, pressure release timing, and stable hydraulic cycling within the intensifier system.

The HJ-5102181 valve stem performs several critical functions within the high-pressure release valve system by:

  • Controlling valve opening and closing movement
  • Maintaining valve alignment and stability
  • Supporting ultra-high-pressure sealing operation
  • Stabilizing pressure release cycling
  • Preventing uncontrolled pressure leakage

The HJ-5102181 valve stem is essential for:

  • Reliable pressure regulation
  • Stable intensifier operation
  • Efficient release valve performance
  • Consistent waterjet cutting quality

Proper valve stem operation is critical in ultra-high-pressure waterjet systems because worn or damaged stems can cause:

  • Pressure instability
  • Internal leakage
  • Delayed valve response
  • Premature seal wear
  • Reduced cutting efficiency

The HJ-5102181 Valve Stem is commonly used with the following components:

Part Number

   Description

HJ-5102179

   Valve Seat

HJ-5100134

   Valve Bushing

HJ-4100175

   O-Ring

HJ-4100444

   O-Ring

HJ-4100507

   Backup Ring

HJ-4100577

   High-Pressure Gasket Seal

HJ-KR35200076

   Release Valve Repair Kit

HJ-5102132

   Check Valve Body

HJ-5102173

   Check Valve Seat

HJ-5200515

   High-Pressure Cylinder

These HJ WATERJET components work together to maintain reliable pressure regulation, stable sealing performance, and efficient ultra-high-pressure waterjet operation.

 

Key Benefits

✔ Improved release valve sealing integrity
✔ Enhanced pressure stability
✔ Reduced internal leakage
✔ Improved valve response time
✔ Increased wear and fatigue resistance
✔ Longer maintenance intervals
✔ Reduced downtime and repair costs

 

Applications

  • CNC abrasive waterjet cutting systems
  • Ultra-high-pressure intensifier pumps
  • Aerospace manufacturing
  • Precision metal fabrication
  • Stone and glass processing
  • Composite material cutting
  • Continuous industrial production environments

** 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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