Good Hydraulic Cylinders – We Make Sure Inside PartsThe 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 born from a workshop that still smells of
fresh coffee and welding sparks. An OEM maker spins each tube, rod,
and seal like a tailor cutting cloth, so every cylinder fits your
dredge like it grew there. Chrome skin laughs at salt, grit, and
surprise overloads, while balanced oil paths keep the stroke
silky—no coughs, no tantrums. Swap sizes, strokes, or ports and the
answer is always “Sure, let’s do it.” Day after muddy day she
murmurs, “Push deeper, I’ve got the river,” and the crew quits
worrying about tomorrow.
Application scenes:Picture dawn on a cutter-suction rig: big heart, gentle hands, she
lowers the draghead through silt and coral, sucking up treasure
while herons watch. Or a harbor cleanup where she folds small to
snake between barges, then stretches tall to lift debris and
dreams. From canal restoration to offshore mining, she’s the
patient heartbeat turning murky water into clear passage—and tired
crews into believers.
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 |
