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Waterjet high pressure seal with blue annular body and red outer band
Four blue waterjet intensifier seals with red bands and light-colored rings
Blue and red waterjet sealing ring beside a separate light-colored support ring
Waterjet high pressure seal and separate annular ring on a white background
Waterjet high pressure sealing rings showing different outer band and hoop configurations
Waterjet high pressure seal with blue annular body and red outer band
Four blue waterjet intensifier seals with red bands and light-colored rings
Blue and red waterjet sealing ring beside a separate light-colored support ring
Waterjet high pressure seal and separate annular ring on a white background
Waterjet high pressure sealing rings showing different outer band and hoop configurations

Waterjet High Pressure Seal for Intensifier Pump Maintenance

The Waterjet High Pressure Seal is a replacement sealing part for compatible intensifier pump assemblies that is used in waterjetting applications. KAD's product gallery depicts a blue ring-shaped seal with a red outer rim, and a detailed view of a light-colored ring is occasionally featured in images. These visible characteristics are good guidelines for the buyer to determine the sealing profile they need, but are not a clear indicator of the exact material or OEM compatibility required. Prior to ordering, please reconfirm the part number, seal dimensions, seal geometry and matching supports and the model of the pump from customer.

  • Blue Annular Seal with Red Outer Band
  • Distinctive Sealing Ring Profile
  • Separate Support Ring Configuration
  • OEM Part Number and Dimension Matching

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  • Description
  • Specification
  • Application
  • FAQS

Description – High Pressure Seal Profile and Construction

High-pressure sealing components are used in the water-side sealing arrangements of compatible waterjet intensifier pumps.

Their specific functions depend on the original pump design, the mating plunger and cylinder surfaces, and the approved sealing assembly.

The KAD product photographs show a blue, thick-walled annular component with a red circular band around its outer perimeter.

Additional views display multiple similar seals, including configurations with a thin light-colored ring positioned near one end of the seal body.

These physical features are useful for product identification and replacement comparison.

However, external photographs alone cannot confirm the exact internal profile, material grades, working pressure rating, or applicable pump models.

The correct replacement must match the original sealing component specification rather than appearance alone.

Blue Annular Seal Body

The principal component in the product gallery is a blue annular seal with a comparatively deep cylindrical opening.

The body has defined inner and outer surfaces and an identifiable axial thickness.

These dimensions are important when comparing the component with the original pump seal.

Depending on the approved sealing arrangement, the ring's profile may determine how it contacts its mating surfaces and accommodates associated sealing components.

The exact sealing function must be verified using the original assembly documentation.

Customers should identify the required inside diameter, outside diameter, axial width, profile geometry, and material specification.

A seal with a similar color and overall shape may not be interchangeable if these characteristics differ.

Red Outer Band and Contact Profile

A red circular band is visible around the outer perimeter of the photographed blue seal.

The band is a distinguishing visual characteristic of this product configuration.

Its exact function cannot be confirmed from the images alone.

Depending on the original design, the red feature may form part of a multi-component sealing profile or a separately specified ring arrangement.

The supplier should confirm whether the band is permanently associated with the blue body, separately replaceable, or supplied as part of an approved assembly.

The relevant dimensions, material specification, and installation requirements should be established before replacement.

Buyers should not assume the red color identifies a particular elastomer or hardness grade.

Separate Light-Colored Support Ring

Some product photographs show a thin light-colored annular ring beside the blue and red seal.

Other photographs show similar light-colored rings positioned around selected blue seals.

In waterjet intensifier sealing systems, support rings or seal hoops may be used alongside high-pressure sealing elements.

The exact identity and function of the light-colored KAD ring must be confirmed from its original part number.

If the ring is a specified seal hoop or support component, buyers should verify:

  • Original component reference
  • Inside and outside diameters
  • Axial thickness
  • Material specification
  • Contact and seating geometry
  • Required quantity
  • Compatible seal profile
  • Installation position

A ring that appears suitable in a photograph should not be substituted without checking these details.

High Pressure Seal vs. Complete Seal Kit

A high-pressure seal and a complete high-pressure seal kit are different purchasing items.

The high-pressure seal is an individual sealing component or a specifically defined seal assembly.

A complete maintenance kit may contain several seals, O-rings, seal hoops, backup rings, or other parts listed by the original pump manufacturer.

The components and quantities vary according to pump design and kit revision.

The KAD gallery shows multiple seals and supporting rings, but it does not independently confirm that these components represent a complete maintenance kit.

Customers requiring only the high-pressure sealing element should specify its individual part number.

Customers requiring a complete repair kit should supply the approved kit reference and parts list.

This distinction helps avoid incorrect quotations and incomplete maintenance orders.

Seal Dimensions and OEM Part Number Matching

The most reliable way to select a replacement high-pressure seal is to compare the original part reference and approved dimensional requirements.

Inside and Outside Diameter

The seal's inner and outer diameters must correspond to the original equipment specification.

These dimensions help establish the intended fit with the mating plunger and housing surfaces.

Axial Width and Profile Geometry

The overall axial width and sealing cross-section should match the approved component drawing.

Different profiles may have similar outer appearances but different functional contact surfaces.

Red Band Configuration

The position, dimensions, and specified construction of the red outer band should be checked against the original part.

The band should not be treated as a generic interchangeable O-ring without supporting documentation.

Support Ring Compatibility

If the selected seal requires a matching hoop or support ring, its dimensions and part number should be checked independently.

The seal and its associated support components must correspond to the approved pump configuration.

Original Equipment Identification

An original pump model, part number, and equipment revision are important for replacement assessment.

References to Dardi or Flow equipment should be supported by verified part-number compatibility rather than the general product title.

Why Choose KAD for Waterjet Seal Replacement?

Seal Profile Identification

KAD supports replacement inquiries based on original part numbers, seal photographs, dimensional references, and intensifier models.

Support Component Matching

Customers can specify whether the required order includes the blue sealing element, the associated light-colored ring, or other approved components.

Technical Specification Review

KAD can review the customer's provided material requirements, dimensional drawings, original equipment references, and requested quantities.

Industrial B2B Supply Support

KAD supports waterjet service companies, industrial maintenance departments, spare parts distributors, and equipment purchasers seeking specification-based replacement sourcing.

Item Specification
Product Type High Pressure Seal Kit
System Compatibility Dardi / Flow Waterjet Cutter
Function Ultra-high pressure sealing system
Working Pressure Up to 60,000 PSI / 420MPa
Operation Mode Continuous reciprocating cycle
Material High-performance polymer / composite material
Wear Resistance High extrusion and abrasion resistance
Application Waterjet intensifier pump system

1. Intensifier Water-Side Seal Maintenance

High-pressure sealing elements may require replacement during approved intensifier maintenance.

The correct seal should be selected using the original pump model, part reference, and sealing arrangement.

2. Sealing Profile Replacement

A worn or damaged seal may need to be replaced with a component having the approved dimensions, profile, and material characteristics.

Visual similarity is not sufficient to establish compatibility.

3. Seal Hoop and Support Ring Matching

Where the original design includes a corresponding hoop or support ring, its specifications should be checked alongside those of the main seal.

Customers should identify whether these parts are ordered individually or as part of a specified assembly.

4. Pump Overhaul Component Identification

Waterjet maintenance companies may compare removed high-pressure seals with original parts diagrams before arranging replacement parts.

Recording the exact part number and pump version helps avoid incorrect substitutions.

5. Industrial Replacement Parts Procurement

Distributors and industrial purchasing teams can submit seal references, dimensions, approved material specifications, and order quantities for quotation.

Clear part identification supports repeat purchasing and component traceability.

1. What is a Waterjet High Pressure Seal used for?

A Waterjet High Pressure Seal is used within the specified high-pressure sealing arrangement of a compatible intensifier pump. Its exact function depends on the original plunger, cylinder, and seal assembly design. The replacement seal must match the approved dimensions, profile, material specifications, and equipment requirements.

2. Is the red band on the blue high-pressure seal a separate O-ring?

The product photographs show a red band around the blue annular seal, but they do not establish whether it is a separate O-ring or part of a defined multi-component sealing configuration. Its identity, material, and replacement method must be confirmed using the original component documentation. It should not be replaced with a generic ring based only on appearance.

3. What is the light-colored ring shown beside the high-pressure seal?

The light-colored ring may be a seal hoop or another support component used in the original sealing arrangement. Its exact identity cannot be confirmed from the photographs alone. Customers should provide the corresponding part number or assembly drawing to verify its function, dimensions, and compatibility with the blue sealing element.

4. Can the same high-pressure seal be used in both Flow and Dardi waterjet pumps?

Not necessarily. Flow and Dardi pumps may use different seals, profiles, materials, and component dimensions. Cross-brand compatibility must be confirmed using specific original part numbers and approved replacement references. The presence of both brand names in an existing product title does not establish that a seal fits equipment from both manufacturers.

5. Is a high-pressure seal the same as a high-pressure seal kit?

No. A high-pressure seal is an individual sealing component or a specifically defined seal assembly. A complete repair kit may contain several sealing elements, O-rings, support rings, and other manufacturer-specified parts. Buyers should clarify whether they require one replacement seal, a matching component group, or a complete maintenance kit.

6. What information should I provide when ordering a replacement high-pressure seal?

Please provide the intensifier manufacturer and model, original part number, seal photographs, inside diameter, outside diameter, axial width, and material specification if available. If a support ring is required, include its part reference and dimensions. KAD can review these details together with the expected order quantity to clarify the requested supply configuration.