| Params | Bore Range: 50–320 mm, subject to Apex manufacturing confirmation
Rod Diameter Range: 28–220 mm, subject to engineering calculation and Apex manufacturing confirmation
Stroke Range: 50–3,000 mm; longer strokes require individual engineering review
Working Pressure: Up to 250 bar for the normal product range
Cylinder Structure: Heavy-duty roundline, flanged or threaded-head construction
Acting Type: Double Acting
Rod Configuration: Single Rod or Double Rod
Bore Diameter: Final size calculated according to required force and working pressure
Piston Rod Diameter: Selected according to load, stroke, buckling, fatigue and bearing requirements
Stroke Length: Manufactured according to the approved equipment drawing
Retracted Length: Customized according to installation dimensions and mounting style
Extended Length: Determined by retracted length and effective stroke
Working Pressure: Final value determined by the approved hydraulic-system specification
Maximum System Pressure: Must be confirmed before engineering approval
Proof-Test Pressure: Defined in the approved inspection and testing plan
Rated Push Force: Calculated from piston area and specified working pressure
Rated Pull Force: Calculated from annular piston area and specified working pressure
Peak Load: Evaluated according to shock load, machine inertia and operating cycle
Duty Cycle: Designed for frequent, repeated or continuous industrial operation
Fatigue Requirement: Defined according to pressure cycles, load spectrum and required service life
Operating Speed: Selected according to hydraulic flow, seal type and cushion design
Hydraulic Medium: Mineral-based hydraulic oil, water-glycol fluid or approved application-specific medium
Operating Temperature: Determined by hydraulic fluid, seals, proximity to heat sources and ambient conditions
Hydraulic Ports: SAE flange, BSPP, metric thread, SAE ORB, NPT or customer-specified connection
Port Size: Selected according to required flow and acceptable pressure loss
Port Position: Customized according to equipment piping and maintenance access
Mounting Style: Front flange, rear flange, intermediate trunnion, head trunnion, cap trunnion, clevis, spherical bearing, foot mount or custom mounting
Rod-End Connection: Male thread, female thread, clevis, spherical bearing or custom machined connection
Replaceable Gland: Standard design objective for simplified maintenance
Piston-Rod Removal: Designed according to the approved service and maintenance arrangement
Stop Tube: Optional for long-stroke cylinders and applications with increased bearing loads
End-of-Stroke Cushioning: Optional adjustable or fixed cushioning at either or both ends
Load-Holding Protection: Optional counterbalance valve, pilot-operated check valve or integrated valve block
Position Monitoring: Optional proximity switches, linear position sensor or continuous position transducer
Rod Protection: Optional bellows, metal scraper, protective sleeve or rod boot
Water Cooling: Optional application-specific cooling arrangement for high-temperature environments
Surface Protection: Industrial coating selected according to indoor, outdoor, chemical or high-temperature exposure
Identification: Customer part number, serial number and permanent traceability marking available
Testing: Dimensional inspection, pressure testing, leakage testing, cushioning verification and full-stroke cycling
Documentation: Approved drawing, material records, welding records, inspection report and pressure-test report available | Material | Cylinder Barrel: Heavy-wall precision-honed seamless steel tube
Piston Rod: High-strength alloy steel with hard chrome, induction-hardened chrome or application-specific surface treatment
Piston: High-strength carbon steel, alloy steel or ductile iron according to design requirements
Cylinder Head / Gland: High-strength forged or machined steel
Cylinder Base: High-strength forged or machined steel
Flanges: High-strength forged or machined steel
Trunnions: High-strength alloy or structural steel
Mounting Clevises: Forged, cast or machined high-strength steel
Mounting Pins: Hardened alloy steel
Bushings: Bronze, steel-backed composite or hardened steel bushing
Spherical Bearings: Heavy-duty spherical plain bearings where angular movement is required
Wear Rings: High-load reinforced polymer, phenolic composite or bronze guide material
Primary Seals: High-pressure polyurethane, PTFE composite or application-specific industrial sealing system
Static Seals: NBR, FKM or applicati |
