Custom Hydraulic Cylinder 25MPa Single Acting for Construction Elevators

Customized Lift Oil Cylinders for Construction Site Elevators Rubber Plate Vulcanizing Cylinder Good Hydraulic Cylinders – We Make Sure Inside Parts
The tube follows GUOYUE CD250 style.
Tube steel can be 45#, 42CrMo, or 27SiMn.
Hole is ground to H8 and feels smooth, Ra under 0.4 μm.
Head, base, ears, and piston are only 45# steel.
We do not use cast iron or cast steel. Slow-Down Parts
You can pick fixed bumpers or floating bumpers so the rod slows down safe at any speed or load. Welds
We hit every heavy-load weld with ultrasound.
This takes away most of the stress and makes the weld last longer. Seals
We only use top seals from NOK (Japan), Trelleborg (Sweden), Merkel and GP (Germany).
We do not use local seals. Checks
Each cylinder is tested to GB/T15622-2005 and our own Q/GAKY014-2023.
You get a test sheet and a pass paper. Promise
We give one year cover from ship date.
If it breaks because of how we made it, we fix or swap it for free.
This cylinder is strong. It uses thick steel and hard rod. It does not bend. The seal keeps oil in, no leak. It has many tubes that slide out one by one. It lifts high but stays short Advantages:
She’s the quiet muscle that lifts the sky. Custom-fit for each elevator cage, she slides in like a handshake—no shims, no sweat. Chrome skin shrugs off grit and rain, while tough seals hug every drop of oil like a secret. One smooth push lifts tons of steel and hope at the same time, then eases back down without a shudder. Day after day she murmurs, “I’ll carry you up,” and builders ride their dreams floor by floor. Application scenes:
Picture sunrise on a new high-rise: workers step into the cage, coffee in hand, and rise past floors still wrapped in dawn mist. Or a rubber-press plant where she lowers the heavy plate so soles and seals are born soft and perfect. From tower cranes to vulcanizing beds, she’s the gentle heartbeat keeping jobs—and people—moving upward.

Application	Engineering machinery, mine, shipping, metallurgy, water conservancy, offshore, agriculture, etc.
Seal	Parker, Merkel, NOK, Hallite,etc.
Paint	Red, Grey, Yellow, Black, etc.
Material	St52, CK45, 4140, Duplex2205, Stainless Steel 304/316, etc.
Certificate	ABS, Lloyds, SGS, etc.
Package	Bubble-wrap packing, then in wooden case.
Color	choose the color according to customer requirement
Core components	Bearing,Pressure vessel,Pump
Is it a standard part?	Nonstandard
Structure	Piston Type, Plunger Type, Telescopic Type,
Power	Hydraulic & Pneumatic
Brand	Guoyue
Sample	Available