Product Name: Port Adapter Static Seal (Part No. 300726)

Description:
This component is a precision-engineered static sealing component, specifically designed for the port adapter assembly in high-pressure waterjet cutting systems . It functions as a reliable, leak-free static seal installed between port adapters, manifolds, high-pressure tube fittings, and the port adapter assembly .

The seal is manufactured from advanced high-pressure sealing materials such as Viton (FKM), Buna-N (NBR), or PTFE composites, offering exceptional compression recovery, chemical resistance, dimensional stability, and resistance to extrusion under extreme pressure . It ensures stable pressure integrity during continuous operation up to 60,000 PSI (approximately 4,137 bar) .

The port adapter static seal is a critical component for non-moving (static) sealing applications where precision fit and sealing integrity are essential . It is commonly used in intensifier manifolds, check valve ports, high-pressure tube connections, and the port adapter assembly for OMAX and AccuStream waterjet intensifier pumps . It is compatible with major waterjet brands including KMT, FLOW, OMAX, WSI, and BFT .

Applications:

• Installed between port adapters, manifolds, and high-pressure tube fittings to prevent water leakage 

• Provides static sealing in intensifier manifolds, check valve ports, and high-pressure tube connections 

• Used in port adapter assemblies for OMAX and AccuStream waterjet intensifier pumps 

• Suitable for ultra-high pressure waterjet systems operating at 60,000 PSI and above

• Compatible with KMT, FLOW, OMAX, WSI, and BFT waterjet systems 

Features:

• Precision Dimensions: Nominal dimensions 0.875 inch OD × 0.622 inch ID 

• Premium Material Construction: Manufactured from Viton (FKM), Buna-N (NBR), or PTFE composites for chemical resistance and pressure durability 

• High-Pressure Rating: Engineered for continuous operation at 60,000+ PSI (4,100+ bar) 

• Static Sealing Design: Specifically designed for non-moving (static) applications where precision fit is essential 

• OEM Compatibility: Direct replacement for OMAX #300726, AccuStream #1-11994, WO300726 

• Chemical Resistance: Resists degradation from water, hydraulic fluids, and water treatment additives 

Maintenance:

Failure Diagnosis:

• External Water Leakage: Water weeping from the port adapter connection area indicates seal failure requiring immediate replacement

• Pressure Drop: Inability to maintain rated cutting pressure may indicate seal degradation or extrusion

• Visible Damage During Inspection: Inspect the seal for signs of nicks, cuts, flattening (compression set), hardening, or cracking

• Discoloration or Swelling: Material degradation may appear as discoloration, swelling, or softening of the seal material

Replacement Guidelines:

• Single-Use Component: The port adapter static seal is a consumable sealing element. Always replace with a new one whenever the port adapter assembly is disassembled during maintenance . Do not reuse old seals

• Preventive Replacement Schedule: Inspect the seal periodically during routine pump maintenance. Replace immediately if any signs of wear, damage, or leakage are detected

• Clean Installation: Before installing a new seal, thoroughly clean the sealing groove and mating surfaces with a soft cloth. Remove all debris, old seal residue, mineral deposits, and corrosion

• Lubrication: Apply a thin, uniform layer of manufacturer-recommended high-pressure grease (e.g., FML-2) to the seal during installation to prevent pinching, rolling, or tearing during assembly 

• Seating Verification: Ensure the seal is correctly seated in its groove without twisting or warping before reassembling mating components

• Full Depressurization: Always fully depressurize the waterjet system (high-pressure water, hydraulic system, and air supply) and follow lockout/tagout procedures before disassembling the port adapter assembly 

• Torque Compliance: When reassembling, tighten the port adapter retaining components to the specific torque values listed in the equipment service manual

• Inspect Mating Surfaces: Check the port adapter and mating housing sealing surfaces for nicks, scratches, or damage that could compromise seal integrity. Replace damaged components as needed

• Cross-Reference Part Numbers: OMAX #300726, AccuStream #1-11994, WO300726 

• Storage: Store spare seals in a cool, dry environment (15–25°C, humidity <65%) away from direct sunlight, ozone sources, and chemicals to prevent premature aging

Component Integration:
This static seal (P/N 300726) is a key component of the Port Adapter Assembly (P/N 300728) and works in conjunction with other port adapter components to ensure leak-free high-pressure sealing