China Switchgear Bolt Manufacturer, Supplier, Factory

The Square Lock Core for Switchgear is an advanced locking mechanism designed to enhance the security and operational integrity of electrical switchgear systems. Constructed from high-grade stainless steel, this lock core offers exceptional durability and resistance to corrosion, ensuring reliable performance in demanding environments.

Richge is a manufacturer of Electrical Switchgear Guide Rails in China, specializing in precision-engineered solutions designed to enhance the stability and functionality of switchgear systems. Our guide rails are integral to ensuring the reliable and smooth operation of electrical switchgear assemblies, providing essential support and alignment for critical components.

SOLH 4H series hand lever directional control valves are developed in accordance with mainstream industrial standards, covering 5/2-position and 5/3-position configurations. Operated purely by manual lever manipulation without electromagnetic coils or pneumatic pilot signals, these spool-type manual valves are widely adopted for on-site equipment commissioning, emergency safety shutdown and inching control of double-acting cylinders. Constructed with high-strength aluminum alloy housings and precision spool assemblies, two positioning structures are optional: automatic spring return and steel ball mechanical locking. Crucially, the mounting dimensions are fully consistent with 4V solenoid valves and 4A air-operated valves, enabling direct interchange and flexible switching among electric, pneumatic and manual control modes in standard pneumatic systems. The five-port layout complies with international general specifications: P serves as the main compressed air supply inlet; Ports A and B connect to two cavities of double-acting cylinders to govern extension and retraction movements; R and S are exhaust ports compatible with standard silencers to lower exhaust noise. For 5/2-position models, spring-reset variants automatically rebound once the lever is released to deliver foolproof protection against unintended continuous actions; self-locking versions secure the spool position via steel ball positioning and stay latched until manual switching, ideal for long-duration fixed working states. All 5/3-position units adopt dual stable ball positioning with three configurable neutral modes. Closed Center (Type C) seals all ports to lock cylinders and prevent falling of vertically mounted actuators; Exhaust Center (Type C) vents A/B ports for pressure relief, allowing free cylinder floating during manual testing; Pressure Center (Type P) supplies compressed air to both working ports for synchronous clamping and force balance regulation. Running on filtered compressed air within 0.15~0.8 MPa under lubrication-free conditions, the valves work steadily at -20℃ to +70℃. Available specifications range from 4H200 to 4H400 with multiple thread options. Devoid of electrical components, the valves feature spark-free inherent explosion resistance, well-suited for flammable, dusty and high-risk production sites. They support panel mounting and base installation, frequently applied for production line manual commissioning, emergency pneumatic circuit cut-off, safety interlock loops and retrofitting replacement of automatic control valves.

Richge is dedicated to delivering high-quality low-voltage switchgear products, focusing on innovation and technological optimization. The Switchgear Shutter Connecting Lever is a crucial component in our product line, ensuring operational safety and system stability. Through precise engineering and strict quality control, this connecting lever guarantees accurate positioning and reliable performance during switch operations, making it ideal for various industrial applications. Richge is committed to providing customers with dependable switchgear solutions that meet the demands of modern power systems.

The Switchgear Roller Pin is an essential component in the operation and maintenance of switchgear systems, designed for durability and precision. Constructed from high-grade stainless steel or alloy materials, this pin ensures exceptional strength and resistance to wear, corrosion, and high-temperature environments. Its surface is meticulously finished to guarantee smooth operation and minimal friction, which reduces mechanical wear and extends the lifespan of the switchgear assembly.

SOLH IS3000 piston-type mechanical pneumatic pressure switch is fully interchangeable with equivalent SMC models. Air pressure pushes the built-in piston to actuate a 1NO+1NC micro contact switch, with adjustable pressure range 0.1~0.7MPa, hysteresis ≤0.05MPa and repeatability ±0.05MPa. Die-cast aluminum housing reaches IP40 dustproof grade, equipped with top adjustment knob and graduated window for offline pressure setting without power supply. Standard port Rc1/4, optional NPT1/4 thread, IS3100 gasket mounting version and IS3010 micro-load variant dedicated for PLC, as well as indicator light optional model. Its solid piston mechanical structure delivers outstanding shock and vibration resistance, stable on vibratory feeders, knocking hammers and stamping machines without signal drift or false triggering common to digital electronic switches. Max contact load 1A allows direct driving of miniature solenoid valves or connection to PLC digital inputs, widely applied for main air source low-pressure protection, cylinder clamping position confirmation and pneumatic safety interlock for vibration equipment. It provides higher electrical load capacity than IS10 reed switches and better cost performance & vibration stability than ISE30A digital pressure switches.