SOLH is the flagship brand of pneumatic actuators under Richge Technology. All cylinders are independently developed and mass-produced, featuring 1:1 dimensional and performance interchangeability with SMC, AirTAC and other mainstream brands for direct replacement without equipment modification. The product portfolio includes heavy-duty standard cylinders (SC/SI/SU), lightweight mini cylinders (MAL/MA), ultra-thin compact cylinders (SDA/CQ2), single-acting spring return cylinders, as well as dedicated clamping, stopper and rotary cylinders. Precisely honed cylinder tubes ensure smooth low-friction movement with negligible internal & external air leakage. Optional NBR standard seals, FKM oil & high-temperature resistant seals and silicone seals fit diverse working conditions. Custom services for non-standard strokes, extended piston rods, anti-rotation structures and special mounting styles are available. They are extensively deployed for pushing, lifting, clamping, positioning and flipping actions in packaging machinery, CNC tooling, 3C manufacturing, logistics transportation, new energy automation and food processing equipment.
SOLH MBB lightweight tie rod standard cylinder is an upgraded lightweight model, 10% lighter than traditional MB series and fully compliant with ISO15552 standards for direct replacement of imported tie rod cylinders. Featuring double-end adjustable air cushion and square end caps, it ensures high rigidity, low noise and stable oil-free operation, suitable for medium-load and high-frequency working conditions. It covers multiple variants and diverse mounting options, widely used in conveying equipment and general automation machinery. With mature mass production and sufficient stock, it supports stable batch supply and exports worldwide.
SOLH SAI tie-rod-free profile cylinder complies with ISO15552 standard, dimensionally interchangeable with FESTO DNC and SE series. Adopting M-shaped integrated aluminum barrel, it is fitted with double-end adjustable air cushion & PPV elastic pad and dual-side sensor grooves. Full variants include single rod, double rod, stroke adjustable, lockable and SAIF valve-integrated cylinder. It supports oil-free operation with low starting pressure. Bore sizes φ32~200mm, customized stroke up to 2000mm, and various ISO mounting options. Widely used in packaging machinery, conveyors and machine tool automation. Stable mass production and sufficient stock make it a cost-effective general linear actuator for export automation equipment.
SOLH SE tie-rod-free square standard cylinder complies with ISO15552 and VDMA24562 standards, directly interchangeable with FESTO DNC and SMC CP96S series. Integrated square aluminum barrel delivers high rigidity, fitted with double-end adjustable air cushion and 3-side sensor grooves for flexible installation. Variants include single rod, double rod, stroke adjustable and BSE lockable type, suitable for medium-heavy load and long-stroke high-frequency applications. Hard-anodized barrel supports oil-free operation with multiple mounting options, widely adopted for machine tools, packaging and conveyor automation. Custom long-stroke service, sufficient stock and stable bulk supply for global automation manufacturers.
SOLH SC economical tie rod standard cylinder adopts four tie rods to fasten end caps with high rigidity and impact resistance, widely adopted as general pneumatic actuator. Bore sizes range φ32~250mm, equipped with double-end adjustable air cushion to reduce impact and noise. Variants include single rod, SCD double rod, SCJ stroke adjustable and SCL lockable cylinder. Built-in magnetic ring optional for CMSG/DMSG magnetic switches, supporting oil-free operation. Shorter body than ISO profile cylinders at equal bore with competitive price. Multiple mounting types available for pushing, handling and positioning on conveyor, packaging and assembly lines. Sufficient stock supports bulk export orders.
SOLH DNC tie-rod-free profile pneumatic cylinders strictly comply with ISO 15552 & VDMA 24562 international standards, perfectly interchangeable with mainstream European standard cylinders for seamless equipment upgrade and overseas export projects. The integrated square high-rigidity aluminum profile removes exposed tie rods for higher structural stability and tidy layout, paired with built-in dual-side sensor grooves for convenient magnetic switch installation. Standard PPV dual-end adjustable air cushions effectively cushion inertial collision during high-speed heavy-duty reciprocation; premium low-friction composite sealing supports oil-free running with total service stroke reaching 4000km and repeat positioning accuracy within ±0.05mm. Optional configurations cover anti-rotation square rod, double rod, position locking units and end mechanical locks. Our stable mass production guarantees sufficient spot stock, widely deployed in automotive automation, precision electronics, packaging machinery and European-standard automated production lines requiring long-cycle stable operation.
SOLH SI series tie-rod-free profile pneumatic cylinders strictly comply with ISO 15552 (formerly ISO 6431) and VDMA 24562 international standards, perfectly interchangeable with Festo DNC, SE and DSBA series cylinders as a cost-effective mid-tier alternative. Constructed with an integrated star-shaped square aluminum alloy profile without exposed tie rods, the cylinder body delivers superior structural rigidity, outstanding anti-torsion and anti-deflection performance alongside a tidy, corrosion-resistant exterior ideal for neat side-by-side arrangement on automated lines. Built-in dedicated sensor grooves on both sides support direct installation of AirTAC CMSE, DMSE and CS1 magnetic switches without extra mounting brackets.
Equipped with standard dual-side manually adjustable air cushions paired with PPV elastic bumpers, it effectively cushions inertial impact and suppresses noise during high-speed heavy-duty reciprocation. The premium dual Y-type compensation sealing system ensures an ultra-low starting pressure of 0.1 MPa and stable long-term oil-free operation. Its hard chrome-plated 45# steel piston rod boasts excellent wear and rust resistance. A complete lineup of customized variants covers SID double synchronous rod, SIJ stroke-adjustable model, SIL position-locking version, SIF valve-cylinder integrated actuator and SIQ anti-torsion square piston rod type to satisfy diverse industrial requirements. The whole series is pre-fitted with a built-in magnetic ring by default for real-time piston position feedback and PLC linkage control. Widely adopted in European-standard export machinery, automated assembly, packaging, material handling and machine tool auxiliary drive, it balances reliable performance and competitive pricing to replace conventional tie-rod SC cylinders and high-priced imported DNC cylinders.
SOLH CP96S tie rod profile cylinder complies with ISO15552 and VDMA24562 standards, fully interchangeable with original CP96S series. Designed with dual buffer system combining adjustable air cushion and rubber pad, it achieves low noise and mild impact under high-speed & high-frequency reciprocation at 50~1000mm/s. The built-in tie-rod aluminum barrel is 15% lighter than conventional tie rod cylinders with high rigidity and excellent offset load resistance. Variants include single rod standard type and CP96SD anti-torsion double rod model. Built-in magnetic ring optional for M9B/A93 sensors; high temperature and stainless steel piston rod versions available. Bore φ32~125mm, customized stroke up to 2000mm. Widely used on machine tools and heavy-duty packaging automation for global equipment replacement.
SOLH HLH ultra-thin side L rail linear slide cylinder adopts integrated single-side recirculating ball guide rail with slim low-profile body to save installation space, a double-acting pneumatic slide dedicated to light-load precision positioning. Bore sizes range from 6, 10, 16 to 20 mm with standard strokes of 5–60 mm, operating pressure 0.15~0.7 MPa and working temperature from -20℃ to 70℃. The cylinder body features 4-direction mounting tapped holes and 3-side air ports for flexible piping layout. The slide carriage is equipped with fixture tapped holes and positioning pin holes on top and front surfaces. A built-in magnetic ring comes as standard, with dual side slots for mounting magnetic reed switches. The floating joint between piston rod and carriage eliminates lateral side load and ensures excellent straightness & anti-rotation precision. Compared with twin-rail HLQ series, HLH features slimmer outline for confined narrow space, widely applied in 3C & semiconductor mini inspection jigs, light-duty push-clamping units and reciprocating positioning mechanisms inside compact automation machinery.
SOLH HLQ / HLQL twin-shaft slide cylinders adopt recirculating ball linear guides, including HLQ compact standard version with side-mounted cylinder and ultra-rigid symmetrical HLQL model. Bore sizes range from 6 to 25 mm with strokes 10–150 mm. The twin parallel piston rod design delivers strong thrust and excellent anti-torsion & anti-rotation performance. A built-in floating joint between piston and slide carriage offsets eccentric lateral loads. The base features 3-direction mounting tapped holes, while the slide carriage provides multi-surface fixture mounting holes and positioning pins; side slots for magnetic reed switches and built-in magnet come as standard. Multiple buffer options are available: double / single adjustable air buffer, hydraulic shock absorber and external stop blocks for smooth reciprocation and high repeat positioning accuracy. HLQ fits medium-small loads with limited space, while symmetrical HLQL handles heavy loads and severe eccentric offset. Widely used for automatic transfer, precision clamping and linear positioning in 3C, semiconductor assembly and testing equipment.
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