2H/3H heavy duty cylinder / tie rod type

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3H Heavy Duty Cylinder I Tie Rod Design

3H Heavy Duty Cylinder I Tie Rod Design

Product Parameters

Models Shown: 4 models (50–200 mm bore)

Pressure Class: 210–250 Bar

Core Value Proposition: Rexroth-interchangeable, proven reliability for injection molding & die casting

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Typical Model 3H 125/70-800 3H 200/110-1500
Standard ISO 6022 ISO 6022
Bore Dia.(mm) 125 200
Rod Dia.(mm) 70 110
Stroke Range(mm) 80 – 1200 100 – 2000
Mounting Style Tie Rod / Flange / Trunnion Tie Rod / Flange / Trunnion
Protection Dust Wiper + Full Bellows Full Bellows Protection
Nominal Pressure(Bar / MPa) 250 Bar / 25 MPa 250 Bar / 25 MPa
Static Test Pressure(Bar) 375 Bar 375 Bar
Cylinder Body Material 27SiMn Seamless Honed Tube 27SiMn / 42CrMo Seamless Honed Tube
Piston Rod Material 40Cr / 42CrMo Alloy Steel 42CrMo Alloy Steel
Rod Surface Treatment Hard Chrome Plated (35–45 µm) Hard Chrome Plated (40–50 µm) + Polished
Rod Surface Finish (Ra) Ra ≤ 0.2 µm Ra ≤ 0.15 µm
Sealing System Parker / Rexroth-Compatible Sealing System Parker / Rexroth-Compatible Sealing System
Operating Temp.(°C) -20 ~ +80 -20 ~ +80
Fluid Compatibility Mineral Oil (HL / HM) Mineral Oil (HL / HM / HV)
Application Scenarios Large Injection Molding, Extrusion Lines Metallurgical Presses, Marine Hatch Covers
Key Features High side-load capacity, reinforced tie rods Heaviest tie rod class, extreme longevity design
Who is NOKHYDRAULIC?
NOK Hydraulic Co., Limited, as a technology-driven enterprise we focus on the research, design, and production of hydraulic components. We specialize in hydraulic systems, cylinders, and customized non-standard parts, while continuously improving our technical expertise in hydraulic cylinders by adopting advanced European and American technologies.
  • 01
    R&D Customization
    Over 10 years of experience with EU & US technology. One-piece MOQ, customized OEM & ODM hydraulic solutions with cushioning.
  • 02
    Quality & Capacity
    High-grade materials with Japan NOKHYDRAULIC seals. Strict QC, advanced equipment for mass & small-batch production with on-time delivery.
  • 03
    Global Service
    Our products are exported to more than 20 countries and widely applied in construction, mining, energy, chemical, and port industries.
Company Moments
Beyond manufacturing, NOKHYDRAULIC values its people and culture. Here are some moments that reflect our teamwork, dedication, and commitment to excellence.
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  • 2025-11-14
    Why choose us
    OEM & ODM Solutions  With strong R&D capability and MOQ from 1 piece, we design and manufacture customised hydraulic cylinders and systems with NOKHYDRAULIC seals and cushioning. Quality Assurance From raw materials to final testing, every step follows strict standards. Japan NOKHYDRAULIC seals and cushioning ensure stable performance and long service life. Extensive Experience With more than 10 years of expertise in hydraulic cylinder manufacturing, NOKHYDRAULIC has built a solid reputation for reliability and professionalism in the global market. Compliance & Standards NOKHYDRAULIC products comply with international standards and have obtained ISO and CE certifications, ensuring global recognition of our quality and reliability.
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  • 2025-11-14
    OEM/ODM
    Manufacturing NOKHYDRAULIC has strong R&D and design capabilities, integrating proprietary buffer innovations with precision manufacturing to deliver reliable and durable hydraulic cylinder solutions.  Quality From raw materials to finished products, NOKHYDRAULIC applies strict inspections and standardized procedures, combined with advanced testing methods, to ensure stability and safety under all conditions.  After-Sales NOKHYDRAULIC offers comprehensive after-sales support, including technical guidance, genuine spare parts, and maintenance training, ensuring long-term stable performance of client equipment. 
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  • 2025-11-14
    Our website is online
    NOK Hydraulic Co., Limited is a technology-oriented enterprise specializing in the design, development, and manufacturing of hydraulic cylinders, hydraulic systems, and non-standard components. With more than 10 years of industry experience, NOKHYDRAULIC integrates advanced European and American hydraulic technologies with independent innovation to provide comprehensive OEM & ODM services. Our production base spans over 30,000㎡ with more than 6 modern production lines, equipped with CNC machining, honing, and electroplating facilities, ensuring both precision and large-scale capacity. By adopting high-standard raw materials, combined with heat treatment, precision machining, and advanced buffer structures, our cylinders achieve durability, reliability, and long service life. Strict quality control is implemented throughout the entire process, and products are designed in accordance with German first-line brand standards, meeting international certifications and performance requirements. Today, NOKHYDRAULIC exports to more than 20 countries and regions, covering industries such as construction machinery, mining and metallurgy, petroleum and energy, marine and port, chemical processing, and tunneling projects. Looking ahead, NOKHYDRAULIC will continue to expand capacity, strengthen innovation, and establish itself as a trusted global partner for hydraulic solutions.
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