MERKLE HZ 250/HZH 250 Heavy-duty Bore Sizes 16/20/25/32/40/50/63/80/100 mm Hydraulic Cylinders
Example Models:
- HZ 250.63/40/200.02.201.E
- HZ 250.80/50/320.00.244.V
- HZH 250.50/32/160.00.244.V
- HZH 250.63/40/250.02.201.E
- HZH 250.100/63/400.00.244.V
AHP MERKLE HZ 250 / HZH 250 Series
Overview
The HZ 250 and HZH 250 are heavy-duty round-body hydraulic cylinders designed and manufactured by AHP Merkle, operating at a nominal pressure of 250 bar (3,625 psi).
- HZ 250: Standard heavy-duty round cylinder.
- HZH 250: Enhanced version of HZ 250, fully interchangeable, featuring the proprietary Dipp® sealing system for extended service life and improved leak resistance.
Model Code Example
HZ 250.40/25/100.00.201.V
- HZ 250: Series (250 bar, standard)
- 40: Bore (mm)
- 25: Rod diameter (mm)
- 100: Stroke (mm)
- 00: Mounting option (standard)
- 201: Double-acting, no cushion
- V: NBR standard seal
A: Depends on the style of tie-rod. We would like to cast and forge once the quantity above 100 pcs.
A: Well, it depends on the quantity and style of hydrualic cylinders, at least 60 days if we make casting and forging, at least 35 days by maching.
A: Sure, we are the manufacutuer and trading of hydraulic cylinder.
A: Double-Acting-have a port at each end, supplied with hydraulic fluid for both the retraction and extension. Single-Acting-hydraulic fluid enters through
a port at one end of the cylinder, which extends the rod by means of area difference. An external force or gravity returns the piston rod.
A: Sure. Show us the drawing, we will quote for you soonest.
A: Yes, we make and supply a wide rang of hydrualic cylinders as a proffetional manufacture, there are only some kinds of them show on the website. Freely contact us to get more information.
Core Specifications
- Max Working Pressure: 250 bar (3,625 psi).
- Design: Round body, screwed head and base (compact, robust).
- Bore Sizes (Piston Diameter): Ø16, 20, 25, 32, 40, 50, 63, 80, 100 mm.
- Rod Diameters (Standard): 8, 10, 12, 16, 20, 25, 32, 40, 50 mm.
- Standard Stroke: Up to 2,000 mm (custom strokes available).
- Fluid Temperature:
- Standard (NBR seals): -20°C to +80°C.
- Optional (FKM seals): -20°C to +120°C.
- Sensor Options: Inductive proximity switches, linear position transducers (optional).
Construction & Materials
- Cylinder Tube: High-strength seamless steel, thick-walled for high lateral load resistance.
- Piston Rod: Induction-hardened, precision-ground, hard-chrome-plated (excellent wear and corrosion resistance).
- Sealing System:
- HZ 250: Standard high-performance sealing package.
- HZH 250: Dipp® sealing system (optimized for low friction, long life, and reduced leakage).
- Mounting Options: Front thread, front flange, foot, clevis, rear flange, etc.
Key Advantages
- High Pressure Rating: Designed for 250 bar operation, ideal for heavy-duty applications.
- Dipp® Sealing (HZH 250): Reduces friction, extends service intervals, and minimizes leakage compared to standard seals.
- Compact & Rigid: Round body saves space and handles high mechanical loads.
- Precision & Durability: Hardened, chrome-plated rods and thick-walled tubes ensure long-term reliability.
- Versatile Mounting: Multiple standard mounting styles simplify integration.
- Short Lead Times: Standard models readily available from stock.
Typical Applications
- Die Casting & Injection Molding: Mold clamping, core pulling, ejection.
- Machine Tools: Heavy clamping, slide drives, press applications.
- Hydraulic Presses: Forming, stamping, and assembly operations.
- Heavy Automation: Material handling, lifting, and clamping in high-force environments.
