Ningbo Richge Technology Co., Ltd.
Ningbo Richge Technology Co., Ltd.
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China PTFE diaphragm low residue valve Manufacturer, Supplier, Factory

We believe that prolonged time period partnership is really a result of top of the range, benefit added provider, prosperous knowledge and personal contact for PTFE diaphragm low residue valve, VCC series fluid control valve, pilot operated solvent fluid valve, water-based paint pneumatic switching valve, 2/3 way chemical fluid control valve, The principle of our business is to present high-quality items, expert support, and truthful communication. Welcome all close friends to place trial buy for developing a long-term business relationship.
PTFE diaphragm low residue valve, We adopted technique and quality system management, based on ""customer orientated, reputation first, mutual benefit, develop with joint efforts"", welcome friends to communicate and cooperate from all over the world.

Hot Products

  • MA Series Stainless Steel Mini Cylinder (Economical General Type)

    MA Series Stainless Steel Mini Cylinder (Economical General Type)

    SOLH MA economical stainless steel mini pneumatic cylinder covers bore sizes φ16/20/25/32/40/50/63 mm and is interchangeable with SMC CM2/CM3 series with outstanding cost performance. It adopts 304 stainless steel barrel and piston rod plus aluminum alloy end caps, offering rust resistance suitable for humid, mildly corrosive environments as well as clean production lines for food, electronics and packaging industries. Complete variants include MA standard double acting model, MTA single acting spring return, MSA single acting spring extend, MAD double rod synchronous cylinder and MAJ stroke adjustable type. MAC version with adjustable air cushion is optional for high-speed operation. All models are equipped with built-in magnetic ring, compatible with CS1-G and M9B magnetic switches for position feedback. Standard rubber cushion is supplied, and optional adjustable air cushion effectively reduces impact and noise. Roll-crimped end cap structure ensures stable performance and enables oil-free operation with service life over 5 million cycles. Multiple mounting accessories are available, including cylindrical tail, clevis tail, flange, foot bracket and double clevis to fit diverse equipment layouts. Ideal for light & medium-load automation projects with budget constraints. A minimum 50% thrust safety margin is recommended during selection.
  • Low Voltage Switchgear Guide Rail

    Low Voltage Switchgear Guide Rail

    Richge is a large-scale Low Voltage Switchgear guide rail manufacturer and supplier in China.We have been specialized in lighting for many years. Our products have a good price advantage and cover most of the European and American markets.can be applied to different fields.The power distribution cabinet produced by The company covers a small area and is suitable for the installation environment with limited space.Is simple to operate and easy to use, easy to maintain and manage.Can adapt to various environmental conditions, the power distribution cabinet produced by the company uses corrosion-resistant, anti-aging materials, and has a long service life.
  • 4A Series AIR Control Valve | 5/2 & 5/3 Way

    4A Series AIR Control Valve | 5/2 & 5/3 Way

    SOLH 4A series 5/2-way and 5/3-way air-operated directional control valves are the full pneumatic counterpart of the classic 4V electromagnetic solenoid valve series. Driven entirely by external pneumatic control signals with no coils or electrical parts inside, this valve achieves inherent explosion-proof safety and serves as the core control unit for non-electric pneumatic loops, hazardous explosive areas and safety interlock systems. It adopts high-precision spool configuration and robust aluminum alloy housings, sharing identical installation dimensions and flow characteristics with the 4V series for seamless direct replacement and upgrade between electric-driven and full-pneumatic control schemes. The standard five-port layout follows industry universal specifications: P for main air supply inlet, A and B as working ports connected to two chambers of double-acting cylinders for extension and retraction regulation, R and S as exhaust ports compatible with standard silencers to reduce operational noise. The 5/2-way lineup supplies single pneumatic control and double pneumatic control options. Single air-controlled models switch upon receiving control air signals and automatically reset by built-in springs once the control pressure disappears to deliver fail-safe protection. Double air-controlled variants feature no return springs and lock the current spool position persistently after control air is disconnected, supporting long-duration positioning and pressure retention without sustained control air input. 5/3-way versions are exclusively double air-driven with three selectable neutral configurations: closed center (Type C) seals all ports to lock cylinders and prevent vertical falling; exhaust center (Type E) vents A/B ports to atmosphere for pressure release and manual commissioning; pressure center (Type P) feeds compressed air to both working ports for synchronous clamping and force balance adjustment. Suitable for filtered compressed air within 0.15~0.8 MPa working pressure, the whole series supports lubrication-free operation and works reliably from -20℃ to +70℃. Widely applied in chemical plants, painting workshops, mining and other explosion-risk environments, it cooperates with mechanical valves, hand-operated valves and air pilot valves to build complete all-pneumatic logic control systems for double-acting cylinders.
  • Square Lock Core for Switchgear

    Square Lock Core for Switchgear

    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.
  • Switchgear Door Padding

    Switchgear Door Padding

    An electrical switchgear gasket is a crucial component designed to provide a reliable seal between the various parts of a switchgear assembly, ensuring its safe and efficient operation. These Switchgear Door Padding is typically made from high-quality materials such as EPDM (Ethylene Propylene Diene Monomer), neoprene, silicone, or nitrile rubber, which offer excellent resistance to environmental factors like moisture, dust, and temperature fluctuations. The material choice depends on the specific application requirements, such as resistance to chemicals, UV rays, and ozone, as well as the operating temperature range of the switchgear.
  • Switchgear Four-Claw

    Switchgear Four-Claw

    Switchgear Four-Claw: Product Details and Applications The Switchgear Four-Claw is a crucial component in electrical distribution systems, designed for secure and reliable connection of busbars to switchgear units. This innovative connector features a robust four-claw design that ensures optimal contact pressure, significantly reducing the risk of electrical resistance and potential overheating. Crafted from high-conductivity materials, the Four-Claw guarantees excellent electrical performance, making it suitable for various voltage levels and current ratings.

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