Product Name: Inlet Water Nipple (Low Pressure Water Inlet Fitting) – Part No. 20457267

Description:
This component is a low-pressure water inlet nipple, a threaded fitting designed to connect the incoming water supply line to the low-pressure water intake port of a waterjet intensifier pump . It serves as the entry point for untreated or pre-filtered water into the hydraulic end of the intensifier assembly, where it is then pressurized to cutting pressures.

The inlet water nipple is a standard plumbing component engineered to withstand the continuous water flow demands of a waterjet system. It is typically manufactured from corrosion-resistant materials such as brass or stainless steel to resist the erosive effects of water and common water treatment chemicals. This part number (20457267) is a specific OEM replacement fitting for the low-pressure water intake system on H2O Jet, KMT, AccuStream, and compatible intensifier pumps.

Applications:

• Connects the facility water supply (or water filtration system) to the low-pressure water intake port of the waterjet intensifier pump

• Provides the initial water entry point into the pumping system before pressurization

• Used during pump installation, routine maintenance, or when replacing damaged or leaking fittings

• Suitable for 60,000 PSI (approximately 4,137 bar) waterjet intensifier systems

Features:

• Corrosion-Resistant Material: Manufactured from brass or stainless steel to withstand continuous water exposure without degradation

• Standard Pipe Threads: Features industry-standard NPT or BSP threads for compatibility with common water supply fittings

• Low-Pressure Rating: Designed specifically for the intake side of the pump, not for high-pressure water circuits

• Direct OEM Replacement: Interchangeable with the original equipment inlet fitting for H2O Jet, KMT, and AccuStream intensifier pumps

Maintenance:

Failure Diagnosis (When to Inspect/Replace):

• External Water Leakage: Visible water weeping from the inlet fitting connection indicates loose threads, a damaged sealing surface, or a cracked fitting

• Reduced Water Flow: If the intensifier struggles to draw water or cavitates, the inlet nipple may be partially blocked by debris or mineral buildup

• Thread Damage: Stripped, galled, or corroded threads prevent a secure connection and must be replaced immediately

• Visible Cracks or Deformation: Any cracking or distortion of the fitting body warrants immediate replacement

• Air Ingestion: If air bubbles are visible in the water supply line or the pump exhibits cavitation noise, the inlet fitting seal may be compromised

Inspection and Replacement Guidelines:

• Full Depressurization (Critical): Before any maintenance, place the main electrical disconnect in the OFF position, fully depressurize the waterjet system and hydraulic system, shut off the water supply, and follow lockout/tagout procedures

• Thread Sealant: When installing or reinstalling the inlet nipple, apply a compatible thread sealant (e.g., PTFE tape or pipe joint compound) to the male threads to ensure a leak-proof seal. Do not use sealant on the first 1-2 threads to prevent contamination entering the system

• Proper Seating: Ensure the fitting is fully seated and tightened to the specific torque value listed in the equipment service manual

• Check Water Supply: If leakage or flow issues persist after replacement, inspect the upstream water supply line, shutoff valve, and pre-filtration system for obstructions

• Clean Installation: Ensure the fitting and the mating port are clean and free from debris, old sealant, or corrosion before reassembly

• Replace if Damaged: Replace the inlet water nipple immediately if threads are damaged, cracks are visible, or the fitting shows signs of corrosion or deformation