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Waterjet On/Off Valve Repair Kit with metal parts, red ring and blue molded component
High-pressure valve repair parts showing machined metal components and sealing rings
Waterjet valve maintenance kit with metal rod, machined parts and colored rings
Close-up of on/off valve repair components including metal disc and polymer parts
Waterjet On/Off Valve Repair Kit with metal parts, red ring and blue molded component
High-pressure valve repair parts showing machined metal components and sealing rings
Waterjet valve maintenance kit with metal rod, machined parts and colored rings
Close-up of on/off valve repair components including metal disc and polymer parts

Waterjet On/Off Valve Repair Kit for Cutting Head Maintenance

Waterjet On/Off Valve Repair Kit is a replacement parts kit designed for the maintenance of similar waterjet on/off valves found in waterjet cutting heads. The images on the right depict various stages of a product being manufactured, such as machined metal parts and a component that seems to be red and blue. Individual item details and quantities of each "item" plus the entire kit configuration should be reconfirmed prior to placing an order. KAD can assist with the maintenance crews and parts distributors by providing assistance with kit identification, valve part to valve and B2B quoting according to the original kit reference and necessary service configuration.

  • Multi-Component Repair Kit
  • Valve Sealing Maintenance
  • Model-Specific Part Matching
  • Convenient Replacement Supply

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  • Description
  • Specification
  • Application
  • FAQS

Replacement Kit for High-Pressure Waterjet On/Off Valves

A waterjet on/off valve repair kit contains replacement components used when servicing the internal mechanism of a compatible high-pressure valve.

The on/off valve controls the supply of high-pressure water to the cutting head. Its internal components operate together to open and close the water flow according to the valve's actuation arrangement.

Over time, sealing surfaces, moving components, and associated wear parts may require inspection or replacement.

A repair kit allows maintenance personnel to service selected internal parts without automatically replacing the complete valve assembly.

The KAD product photographs show machined metal components, a slender metal rod, and colored ring-shaped or molded parts. Their exact functions and quantities should be confirmed against the approved parts list before ordering.

Key Features of the On/Off Valve Repair Kit

01. Multiple Replacement Components

The illustrated set contains several metal and nonmetallic parts intended for valve maintenance. The exact components included depend on the confirmed kit specification.

02. Sealing and Contact Parts

Repair kits for high-pressure on/off valves commonly include sealing components and associated contact parts. Correct dimensions and material specifications are essential for the intended valve design.

03. Model-Based Kit Selection

The repair kit should be selected according to the original valve model, part number, internal design, and operating requirements.

04. Maintenance-Oriented Supply

A matching repair kit provides the components specified for a particular servicing operation. It can be useful for maintenance teams managing valve wear parts and replacement inventories.

Understanding the Components in an On/Off Valve Repair Kit

A waterjet valve repair kit may contain several types of internal components. The precise combination varies according to the valve manufacturer and design.

Valve Stem or Poppet

Where included, the valve stem or poppet is part of the moving mechanism associated with opening or closing the water passage.

Valve Seat

The valve seat provides the corresponding sealing contact surface for the moving valve element.

High-Pressure Seals

Sealing components are used at specified interfaces within the valve assembly. Their profiles and materials must correspond to the original design.

Backup Rings

Some valve configurations use backup rings to support sealing elements and limit seal extrusion under pressure.

O-Rings and Auxiliary Seals

Depending on the valve design, additional rings may be required for specified static or dynamic sealing interfaces.

Bushings or Retaining Components

Certain repair kit configurations include components used for guiding, positioning, or retaining the internal valve parts.

These are common component categories in waterjet valve repair kits. The KAD kit must be checked against its own parts list before any component is confirmed as included.

Waterjet On/Off Valve Repair Kit vs. Complete Valve Assembly

An on/off valve repair kit and a complete on/off valve assembly are different purchasing items.

A repair kit contains selected replacement components intended for maintenance of an existing valve.

A complete valve assembly includes the body and the additional operating components required by its particular design.

If the valve housing, threaded interfaces, or other non-serviceable components are damaged, replacing only the internal repair parts may be insufficient.

Buyers should identify whether the required work involves replacing internal wear parts or the complete valve assembly.

How to Identify the Correct Valve Repair Kit

Different waterjet valve models may use different stem profiles, seat dimensions, sealing arrangements, and retaining components.

Even when two repair kits appear similar in photographs, they should not automatically be considered interchangeable.

Before ordering, verify the following information:

  • Original valve manufacturer and model
  • Original repair kit part number
  • Operating pressure requirements
  • Normally open or normally closed valve configuration, where applicable
  • Stem and valve seat specifications
  • Seal profiles and dimensions
  • Required individual component quantities
  • Complete kit supply configuration

For replacement inquiries, an original parts diagram or a list of the required component numbers is particularly helpful.

When Should an On/Off Valve Be Serviced?

Maintenance may be required when inspection identifies worn sealing components, damaged contact surfaces, or other defects affecting normal valve operation.

Possible symptoms of a valve problem include:

Leakage When the Valve Is Closed

A damaged seat, sealing element, or other internal component may contribute to unwanted leakage.

Irregular Opening or Closing

Changes in valve response may require inspection of the actuation arrangement and internal moving components.

Repeated Seal Damage

Repeated seal failures may indicate problems involving pressure conditions, contamination, surface wear, incorrect assembly, or incompatible parts.

Damaged Metal Contact Surfaces

Scoring, deformation, cracks, or other defects on mating components may require component replacement.

These symptoms do not independently confirm that a repair kit will resolve the problem. The valve body, actuator, water supply, and associated parts should also be examined as required.

Why Choose KAD?

Repair Kit Identification Support

KAD can review original valve references, photographs, and customer-supplied parts lists to help identify the required replacement configuration.

Component Specification Review

Customers can submit seal dimensions, metal part specifications, and technical drawings for replacement matching discussions.

Waterjet Maintenance Parts Supply

KAD supplies sealing components and related replacement parts for industrial waterjet equipment maintenance.

B2B Procurement Assistance

Maintenance contractors, equipment service companies, and spare parts distributors can request quotations based on confirmed kit requirements and purchasing quantities.

Item Specification
Product Type UHP On/Off Valve Repair Kit
System Type Waterjet Cutting Machine
Function High-pressure flow switching control
Working Pressure Up to 60,000 PSI / 420MPa
Operation Mode High-frequency cycling system
Material High-performance polymer / stainless steel
Feature Quick maintenance and system restoration
Application Industrial waterjet systems

1. Cutting Head On/Off Valve Servicing

Used for maintenance of compatible waterjet cutting head valves when internal service components require inspection or replacement.

2. Valve Sealing Component Replacement

Relevant to servicing tasks involving worn or damaged sealing elements within a matching valve design.

3. Internal Valve Wear Part Maintenance

Suitable for replacement inquiries involving stems, seats, and other service components where those parts are included in the specified kit.

4. Waterjet Equipment Preventive Maintenance

Repair kits can be included in planned maintenance inventories according to the valve manufacturer's service requirements.

5. Industrial Valve Repair Projects

Used by waterjet maintenance contractors when servicing suitable high-pressure valve assemblies.

6. B2B Spare Parts Inventory Supply

Suitable for parts distributors and industrial purchasing teams that require identified repair kit configurations for repeat procurement.

1. What is included in a waterjet on/off valve repair kit?

The exact contents depend on the valve model and repair kit specification. Many waterjet valve repair kits contain seals, valve stems or poppets, seats, backup rings, and related components. For the KAD kit, buyers should request the confirmed component list and quantities before ordering.

2. How do I confirm that the repair kit fits my on/off valve?

Check the original valve manufacturer, model, and repair kit part number. Compare the internal component specifications, sealing arrangement, and operating pressure requirements. A parts diagram or existing component photographs can help identify the correct replacement configuration.

3. What is the difference between a repair kit and an on/off valve assembly?

A repair kit contains selected maintenance components intended for servicing an existing valve. A complete valve assembly includes the housing and the other components required by its design. Damage to the valve body or actuator may require additional parts beyond a repair kit.

4. Can this repair kit be used in a 60,000 PSI waterjet system?

The existing KAD product page lists an operating pressure of up to 60,000 PSI. However, the actual valve compatibility and component pressure requirements must be confirmed against the specific repair kit and original valve specifications before use.

5. Will a repair kit fix a leaking or malfunctioning on/off valve?

A suitable kit may address problems caused by the components it replaces. However, leakage or irregular operation can also result from a damaged valve body, actuator, incorrect installation, contamination, or other faults. The cause should be identified before repair.

6. What information should I provide for a bulk repair kit quotation?

Please provide the required quantity, valve manufacturer and model, original repair kit number, operating pressure, and required component list. Technical drawings or clear photographs can also help KAD review the replacement requirements.