20416445 Hydraulic cylinder head

Short Description:

Used for the SL-VI 100HP pump.
The company is a world-leading manufacturer of high-pressure waterjet pumps.
The SL-VI 100HP pump is a highly classic and popular industrial high-pressure pump.
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Details

Product ID: 20416445 – Hydraulic Cylinder Head

Description:
This component is a hydraulic cylinder head designed for waterjet cutting systems. It is an end cap or cover that closes one end of a hydraulic cylinder, providing a sealed enclosure for the hydraulic fluid and retaining the piston assembly within the cylinder bore. The cylinder head typically contains ports for fluid entry and exit, as well as sealing elements and rod guides.

Applications:

Used as the closed end or rod-end cap of a hydraulic cylinder within the intensifier pump or hydraulic power unit.
Installed on the hydraulic cylinder body to retain the piston, rod, and seals while allowing hydraulic fluid to enter and exit through porting.
Suitable for waterjet cutting machines requiring reliable hydraulic actuation for pressure generation and system control.

Features:

Constructed from high-strength ductile iron, steel, or aluminum alloy to withstand repeated hydraulic pressure cycling.
Precision-machined mating surfaces for proper sealing against the cylinder tube or barrel.
Includes threaded or flanged mounting features for secure attachment to the cylinder body using bolts, tie rods, or threaded rings.
Contains porting for hydraulic fluid inlet and outlet, typically standard threaded ports such as SAE, NPT, or BSPP.
Engineered with a central bore to accommodate the piston rod and rod seal assembly if configured as a rod-end head.
May include integrated rod wiper or scraper to remove contaminants from the piston rod during retraction.
Designed with seal grooves to accept O-rings, backup rings, or gaskets for leak-proof operation.
Corrosion-resistant coating or surface treatment for extended service life in wet operating environments.

Maintenance:

Fully depressurize both the hydraulic system and the high-pressure water system before servicing the cylinder head.
Remove mounting bolts, tie rod nuts, or retaining rings securing the cylinder head to the cylinder body.
Carefully separate the cylinder head from the cylinder tube, avoiding damage to mating surfaces or seals.
Drain and capture any hydraulic fluid remaining in the cylinder head or ports.
Clean the cylinder head thoroughly using a soft cloth and compatible solvent; remove all debris, old sealant, or corrosion.
Inspect the cylinder head for cracks, warping, corrosion, pitting, or damage around port threads.
Check all seal grooves for burrs, nicks, or deformation that could compromise new seal installation.
Inspect the central rod bore (if applicable) for scoring, galling, or ovality caused by rod contact.
Inspect any integrated rod wiper or scraper for wear or damage.
Measure flatness of the cylinder head mounting face if distortion is suspected.
Replace the cylinder head if any cracks, thread damage, excessive wear, or deformation is found.
During reassembly, install new seals, O-rings, and gaskets rather than reusing old components.
Lubricate seals and mating surfaces with hydraulic oil or manufacturer-recommended assembly lubricant.
Tighten mounting bolts or tie rod nuts in a star or cross pattern to the torque value specified in the service manual.
After reassembly, slowly pressurize the hydraulic system and check for external leakage around the cylinder head.
Monitor for proper piston travel and absence of unusual noise during cylinder cycling.