SA-Single Acting Telescopic Hydraulic Cylinders

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SA-Single Acting Telescopic Hydraulic Cylinders

SA-Single Acting Telescopic Hydraulic Cylinders

Product Parameters

Models Shown: 4 models (3–5 stage, up to 8000 mm)

Pressure Class: 160–210 Bar

Core Value Proposition: Long stroke / short retracted length, ideal for dump trucks & trailers

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Typical Model SA 50/63/80-800 (3-stage) SA 80/100/125-2500 (3-stage) SA 100/125/160/200-5000 (4-stage) SA 125/160/200/250/300-8000 (5-stage)
Standard ISO 6020/2 ISO 6020/2 ISO 6020/2 ISO 6020/2
Bore Dia.(mm) 50–80
(3 stages)
80–125
(3 stages)
100–200
(4 stages)
125–300
(5 stages)
Rod Dia.(mm)
(Telescopic Sleeves)

(Telescopic Sleeves)

(Telescopic Sleeves)

(Telescopic Sleeves)
Stroke Range(mm) 500 – 1500 1000 – 3000 2000 – 5000 3000 – 8000
Mounting Style Clevis / Trunnion Clevis / Trunnion / Flange Trunnion / Flange Trunnion / Flange (Heavy-duty)
Protection Dust Wiper per Stage Dust Wiper per Stage + Rod Boot Dust Wiper per Stage + Full Bellows Dust Wiper per Stage + Full Protective Cover
Nominal Pressure(Bar / MPa) 160 Bar / 16 MPa 210 Bar / 21 MPa 210 Bar / 21 MPa 210 Bar / 21 MPa
Static Test Pressure(Bar) 240 Bar 315 Bar 315 Bar 315 Bar
Cylinder Body Material 27SiMn / 45# Steel Multi-stage Sleeves 27SiMn Multi-stage Honed Sleeves 27SiMn / 42CrMo Multi-stage Sleeves 42CrMo Multi-stage Forged Sleeves
Piston Rod Material 40Cr Alloy Steel (Each Stage) 40Cr / 42CrMo Alloy Steel (Each Stage) 42CrMo Alloy Steel (Each Stage) 42CrMo Alloy Steel (Induction Hardened)
Rod Surface Treatment Hard Chrome Plated (25–35 µm per stage) Hard Chrome Plated (30–40 µm per stage) Hard Chrome Plated (35–45 µm per stage) Hard Chrome Plated (40–50 µm) + Polished
Rod Surface Finish (Ra) Ra ≤ 0.3 µm Ra ≤ 0.2 µm Ra ≤ 0.15 µm Ra ≤ 0.10 µm
Sealing System Parker / Rexroth-Compatible Sealing System Parker Multi-stage High-pressure Seals Parker / Rexroth-Compatible Sealing System Parker / Rexroth-Compatible Sealing System
Operating Temp.(°C) -20 ~ +80 -20 ~ +80 -20 ~ +80 -20 ~ +80
Fluid Compatibility Mineral Oil (HL / HM) Mineral Oil (HL / HM) Mineral Oil (HL / HM / HV) Mineral Oil (HL / HM / HV)
Application Scenarios Small Dump Trailers, Agricultural Tippers Medium Dump Trucks, Sanitation Compactors Heavy Dump Trucks, Mining Tippers, Trailers Articulated Dump Trucks, Mining Haulers
Key Features 3-stage, gravity retract, long stroke / short retracted length 3-stage balanced design, low maintenance 4-stage, max reach, heavy-duty telescopic 5-stage flagship, ultimate stroke-to-retracted ratio
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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