China pneumatic quick exhaust valve with silencer Manufacturer, Supplier, Factory

Switchgear drawer slide Product Background: Richge is a manufacturer of Switchgear Drawer Slides in China, specializing in producing high-quality slides designed to facilitate the smooth and reliable operation of drawer mechanisms within switchgear assemblies. Our drawer slides are engineered for precision, durability, and ease of use, ensuring efficient performance and stability in various electrical systems.

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.

conadpaler Switchgear Connector: Product Details and Applications The switchgear connector is a crucial component designed to ensure reliable and efficient electrical connections within switchgear systems. Constructed from high-quality materials such as copper and aluminum, these connectors provide excellent conductivity and durability, minimizing resistance and heat generation during operation.

SOLH ARX series compact piston pressure regulators support a maximum inlet pressure of 2.0MPa, breaking the pressure limit of ordinary miniature regulators. Available in standard high-pressure and low-precision pressure models, it features zero steady air consumption for excellent energy-saving performance and doubled flow capacity compared with similar-sized products. Ultra-light at 110g with triple output ports for flexible multi-channel piping layout, it reserves a gauge port and supports multi-directional installation. Adopting a built-in relief and lubrication-free structure, it delivers stable maintenance-free operation, ideal for high-pressure compact pneumatic equipment, precision blowing, fluid dispensing and laboratory pressure testing systems.

SOLH KQ2T series pneumatic tee & cross one-touch push-in fittings, direct replacement for SMC KQ2T. 3-way tee and 4-way cross connectors include equal diameter, reducing, imperial/metric thread types. Compatible with PU & PA tubes, works for vacuum and compressed air circuits for automation pneumatic piping.

The Electric Grounding Switch for Switchgear is an essential safety feature in high-voltage power systems, allowing for secure grounding and isolation of electrical equipment during maintenance. Designed for voltage ratings from 12kV to 40.5kV, it offers robust short-circuit protection and reliable mechanical performance. Its streamlined design enables quick installation and straightforward operation, making it perfect for use in high-voltage switchgear and substations. Meeting stringent international safety standards, this grounding switch ensures dependable operation and enhances safety in various electrical applications.