China AF2000 AF3000 AF4000 AF5000 filter Manufacturer, Supplier, Factory

Switchgear busbar bottom cover Product background: Richge is a manufacturer of Switchgear Busbar Bottom Covers in China, specializing in high-quality covers designed to provide essential protection and support for busbars within switchgear systems. Our busbar bottom covers are engineered to enhance safety, durability, and efficiency in electrical installations.

Switchgear Button: Product Details and Applications The Switchgear Button is a crucial component in modern electrical switchgear systems, designed for user-friendly operation and enhanced safety. These buttons are typically made from high-quality, durable materials such as thermoplastic or metal to withstand harsh environments and frequent use. They come in various shapes, sizes, and colors to ensure clear visibility and accessibility, accommodating diverse operational needs.

The VS1-12/4000-275 vacuum circuit breaker is a high-performance medium-voltage switchgear component, engineered for demanding industrial and distribution applications requiring reliability, efficiency, and superior safety. This model is designed with a draw-out, making installation and maintenance easy and convenient, and it fits a variety of switchgear configurations. VS1-12 type vacuum circuit breaker is a kind of indoor high voltage switch device which is used in the AC Three-phase power system of frequency 50HZ,rated voltage 12KV to be the protection and control unit.  Because of the special superiority of vacuum circuit breaker, especially suitable for applications that require frequent operation at rated operating Current or multiple open short-circuit breaking current location. It 1s especially suitable to the place requiring frequent operations.

SOLH M5 series 5/2-way spring return mechanical directional valves adopt unified M5×0.8 fine thread interfaces across the whole product lineup. These coil-free pneumatic valves switch air channels relying purely on external mechanical actuation force and automatically reset by built-in springs once external force is removed. They serve as core miniature pneumatic signal trigger components widely deployed for cylinder stroke limit positioning, in-position feedback signal transmission and local manual pneumatic switching on automated equipment. The complete series covers two major categories: mechanically actuated types (plunger, roller lever, unidirectional roller) and manually operated types (pushbutton, toggle lever, mushroom emergency button, rotary lock button), fully dimensionally interchangeable with mainstream AirTAC M5 series mechanical valves for direct drop-in replacement. The standard five-port layout consists of P main air supply inlet, A/B working ports connected to miniature double-acting cylinders, and two separate side exhaust ports R1/R2 reserved for miniature silencer installation to cut exhaust noise and block external dust ingress. A balanced sliding spool structure is adopted, which is immune to air supply backpressure interference; only light external force is required to complete stable valve switching with ultra-sensitive response. Multiple actuation heads are optional to fit diverse working conditions: M5B straight plunger for rigid contact positioning detection, M5R universal roller lever triggered by cams and baffles, unidirectional roller M5L for single-direction limit anti-misoperation, and various manual button & toggle styles for on-site manual jog control and emergency cut-off. Constructed with hard anodized aluminum valve bodies and wear-resistant NBR nitrile rubber seals, the valves support lubrication-free operation under filtered compressed air within 0.05~0.8 MPa, boasting a service life exceeding 10 million switching cycles. Custom multi-station manifold bases (M5M series) are available for centralized air feeding and modular integrated installation, together with matching adapters, micro silencers and quick connectors. Distinguished from 3/2-way S3 pilot valves, this 5-port M5 series can directly drive small double-acting cylinders or output pilot signals to actuate main solenoid valves. Typical scenarios include assembly fixture in-place detection, cylinder travel automatic reversing, on-site manual debugging and small automation pneumatic logic signal triggering.

SOLH PB1011A miniature diaphragm pump is fully interchangeable with equivalent SMC PB1011 models. The integrated built-in DC24V 3-port solenoid valve enables direct electric control, while PB1013A air pilot variant is designed for external equipment interlock. Shaftless-seal construction eliminates medium leakage entirely. Wetted components are optional PP polypropylene or SUS316 stainless steel, paired with composite PTFE diaphragms and FKM seals for excellent resistance to weak acid, alkali and organic solvents. It delivers adjustable flow from 8 to 2000 mL/min, handles liquid viscosity up to 100 mPa·s with maximum 2.5 m dry suction lift, operates below 64 dB(A) noise and achieves 30 million cycle diaphragm service life. Fluid ports adopt standard Rc1/8 thread with optional NPT1/8; air supply & exhaust ports use M5 miniature threads. Installation requires liquid outlet facing upward to avoid air lock. Widely used for micro chemical liquid transfer in semiconductor & PV lines, medical biochemical reagent feeding, printing ink & glue supply, and precise chemical dosing for environmental water treatment equipment.

SOLH MHL2 rack-and-pinion wide-stroke parallel pneumatic gripper is fully interchangeable with matching SMC models. The rack & pinion transmission ensures synchronous jaw movement, providing high rigidity and powerful clamping force, suitable for both external clamping and internal expanding gripping. Bore sizes cover 10/16/20/25/32/40 mm with purely double-acting design. Each bore offers three stroke variants: D short, D1 medium and D2 long, with repeat positioning accuracy of ±0.1 mm. Integrated built-in dust wiper seals enable stable operation in dusty harsh environments such as machine tool workshops. Four-side sensor grooves support flexible multi-orientation installation. Sizes 10~25 adopt standard M5 ports, while 32/40 support optional G / NPT export threads. Effective clamping force decreases with extended jaw overhang; a safety factor ≥1.5 is required during load calculation. Widely used for sheet material, tray and heavy workpiece handling, machine tool loading/unloading and packaging automation for large-size component gripping.