China lubrication-free poppet solenoid valve Manufacturer, Supplier, Factory

SOLH VZM500 5/2‑way mechanical valve is developed with reliable elastic‑seal technology, mass‑produced in‑house with adequate stock. This SMC‑compatible medium‑flow pneumatic control valve supports abundant actuator heads for limit triggering, manual jog and safety interlock. Offering Cv 0.6 flow performance and 300cpm high‑frequency capability, it supports foot‑mount and manifold installation. Oil‑free and zero‑leakage, it serves as standard component for dual‑cylinder synchronization, circuit switching and mechanical limit control across automated production lines.

The switchgear knife switch controller is a crucial component used in electrical distribution systems to manage the operation of knife switches, which are designed to isolate electrical circuits for maintenance and safety purposes. This controller allows for precise and reliable operation, enabling users to easily open or close the knife switch with minimal effort.

Electrical Switchgear Spacers are essential components designed to maintain precise alignment and spacing within electrical switchgear assemblies. These spacers play a critical role in ensuring the proper functioning and safety of electrical systems by providing necessary insulation and mechanical support between various switchgear parts.

Richge is a manufacturer of HV insulation conduit in China, specializing in producing high-quality bushings designed to facilitate safe and efficient transitions of high-voltage conductors through walls and barriers. Our wall bushings are engineered to ensure reliable electrical insulation and protection in demanding high-voltage applications.

SOLH 4M series plate-type 5/2-way solenoid valves strictly comply with international NAMUR mounting standards, purpose-built for direct assembly onto pneumatic actuators driving ball valves and butterfly valves. The integrated bottom base comes with pre-embedded P, A, B, R1 and R2 air passages, enabling seamless docking with actuator air cavities without external tubing for A/B working ports. This streamlined layout drastically cuts pipeline layout workload and potential air leakage points compared with conventional tube-connected 4V series solenoid valves. This lineup adopts internal pilot spool construction with oil-free operation, offered in single-coil spring reset (4M×10) and double-coil latching memory (4M×20) configurations covering three size grades: 4M100, mainstream 4M200 and high-flow 4M300. Single electric control variants automatically reset under spring tension once power is disconnected for fail-safe reset scenarios, while double electric control versions retain their switching position steadily after power cut to sustain valve opening/closing status for long-term pipeline locking. Each unit is fitted with a side-mounted manual override button for convenient offline commissioning and maintenance testing. Coils support widely used global AC/DC voltages with IP65 dustproof and waterproof ingress protection, suitable for rigorous working conditions in water treatment, chemical pipelines and general industrial fluid switching. The series is dimensionally compatible with manifold bases shared with the equivalent 4V series, supporting standalone actuator installation or centralized valve island assembly via multi-station manifolds. With certified standard NAMUR interface, interchangeable with mainstream Airtac 4M series, it serves as a dedicated matched control component for automated on-off regulation of pneumatic ball and butterfly valve actuators.

At Richge, we provide high-quality electrical components designed to meet the rigorous demands of modern power systems. Our 1SET (DOWNaSTREAM JAWS 3P 250A) product features a robust design capable of handling high currents with exceptional reliability. Engineered for downstream applications, it ensures effective power distribution and protection with its 250A capacity and three-pole configuration. This component is built for durability and ease of integration into various electrical setups. With a focus on safety, performance, and efficiency, Richge is dedicated to delivering innovative solutions that enhance the reliability and functionality of your electrical infrastructure. Choose us for products that combine quality and precision.