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China, Chinese Xm Series Pneumatic Plastic Ball Valve1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
ValveBall ValveValveBall Valve
Wuxi Xinming Auto-Control Valves Industry Co., Ltd.
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Product Description Product Overview Valve BodyMaterial: Commonly made of plastic materials such as polypropylene (PP), polyvinyl chloride (PVC), chlorinated polyvinyl chloride (CPVC), and polyvinylidene fluoride (PVDF). PP has a relatively low cost and good chemical corrosion resistance; PVC is suitable for transporting general water, weak acid, and weak alkali solutions; CPVC has better temperature resistance than PVC and can work at slightly higher temperatures; PVDF features excellent chemical stability, corrosion resistance, and high-temperature resistance, capable of handling harsh conditions like strong corrosion and high temperatures.Structure: Mostly of an integrated design to ensure overall strength and sealing performance. Common port connection methods include threaded type, facilitating quick installation for small-diameter pipelines; socket type, with enhanced sealing through welding; and flange type, suitable for large-diameter pipelines or scenarios requiring frequent disassembly and maintenance.BallMaterial: Matches the valve body material, usually plastic materials such as PP, PVC, and PVDF, with good wear resistance and chemical stability.Structure: A circular through-hole is provided on the ball. The valve is opened or closed by rotating the ball to control the flow of the medium. The surface of the ball undergoes precise processing to ensure close fitting with the valve seat for a good sealing effect.Valve SeatMaterial: Mostly made of polytetrafluoroethylene (PTFE) or plastic of the same material as the valve body. The PTFE valve seat has a low friction coefficient, excellent chemical stability, and good sealing performance, effectively preventing medium leakage.Installation Method: Generally installed in an embedded manner on the valve body to ensure the reliability of the seal between the valve seat and the ball.Pneumatic ActuatorType: Divided into double-acting actuators and single-acting (spring-return) actuators. The double-acting actuator relies on compressed air to push the piston to open and close the valve; the single-acting actuator, when air supply fails, uses a spring to push the piston, making the valve automatically stay in a preset safe position (such as the closed state) to ensure system safety.Material: The shell is usually made of aluminum alloy and undergoes surface anti-corrosion treatment. Internal components such as pistons and seals are made of high-quality rubber and metal materials to ensure the stability and durability of the actuator.Working PrincipleWhen compressed air enters the air inlet of the pneumatic actuator, it pushes the piston or diaphragm inside the actuator to move. Through the connecting mechanism, it drives the valve stem to rotate, and then makes the ball rotate. When the through-hole of the ball is aligned with the axis of the pipeline, the valve opens, and the medium can pass smoothly; when the ball rotates 90° and the through-hole is perpendicular to the axis of the pipeline, the valve closes, blocking the flow of the medium. By controlling the on-off, pressure, and flow direction of the compressed air, precise control of the valve can be achieved.Performance characteristics Strong Corrosion Resistance: Has excellent corrosion resistance to most chemical media such as acids, alkalis, and salts, especially suitable for scenarios of transporting corrosive media in industries like chemical engineering, pharmaceuticals, and electroplating.Good Sealing Performance: The sealing design between the valve seat and the ball is excellent, and some products can reach a relatively high sealing level, effectively preventing medium leakage.Low Flow Resistance: The through-hole design of the ball enables low medium flow resistance when the valve is open, with low pressure loss, ensuring smooth passage of the medium.Convenient Operation: The pneumatic actuator has a fast response speed, allowing quick opening and closing of the valve for easy automatic control. By adjusting the pressure and flow of compressed air, proportional control of the valve can also be achieved.Light Weight: The plastic material makes the overall weight of the valve relatively light, facilitating installation, transportation, and maintenance, while also reducing the load on the pipeline system.Working Pressure and Temperature Range: The working pressure is generally low, with the PN value usually between 1.0 - 1.6MPa; the working temperature range varies with the material. PVC is generally 0 - 60°C, CPVC is 0 - 95°C, and PVDF can reach -40°C - 150°C.Application Fields Chemical Industry: Used for transporting various corrosive chemical liquids and gases, such as sulfuric acid, hydrochloric acid, sodium hydroxide solution, and chlorine gas. It is widely used in the feeding and discharging control of chemical reaction kettles and the medium transportation in pipeline systems.Pharmaceutical Industry: Meets the strict requirements for hygiene and corrosion resistance in the pharmaceutical production process and is used for transporting various liquid medicines, purified water, and other materials.Electroplating Industry: Suitable for transporting corrosive media such as electroplating solutions and cleaning solutions, realizing control over links such as the circulation and addition of electroplating tank solutions.Water Treatment Industry: Can be used for transporting treated acid-base solutions, disinfectants, etc., and plays a role in dosing systems and wastewater treatment systems.Food and Beverage Industry: Uses plastic materials that meet food hygiene standards for transporting fruit juices, drinking water, etc., ensuring product quality and safety.Maintenance and Servicing Regular Inspection: Check whether the air source pressure of the pneumatic actuator is normal, whether the sealing performance of the valve is good, and whether there is any leakage; check the lubrication condition of the valve stem, and supplement lubricant in a timely manner to ensure the flexible rotation of the valve.Cleaning: Regularly clean the impurities and dirt inside and outside the valve to prevent impurities from entering between the valve seat and the ball and affecting the sealing performance. For working conditions with media containing particles, the cleaning work should be strengthened.Pneumatic Actuator Maintenance: Check whether the seals of the actuator are aged or damaged, and replace them in a timely manner; check the working status of accessories such as solenoid valves and filters to ensure the quality of compressed air and the normal operation of the actuator.Avoid Over-Temperature and Over-Pressure: Strictly use the valve within its working pressure and temperature range to avoid over-temperature and over-pressure operation, so as to prolong the service life of the valve.Product Description: Internal Thread Stainless Steel Pneumatic Ball ValveOverviewThe Internal Thread Stainless Steel Pneumatic Ball Valve is a high-performance, corrosion-resistant valve designed for automated flow control in industrial applications. Featuring a durable stainless steel body (SS304/SS316) and an internal threaded connection (NPT/BSP), this valve ensures a secure, leak-proof seal while allowing quick and precise operation via a pneumatic actuator. Ideal for high-pressure and corrosive environments, it is widely used in chemical processing, water treatment, oil & gas, and food industries.Key Features & Specifications1. Material & Construction? Body & Ball: Stainless Steel 304/316 (ASTM A351/A182) - Excellent corrosion resistance? Seat: PTFE, EPDM(for high temp/pressure resistance)? Stem: SS304/SS316 (Precision-machined for smooth operation)? Connection Type: Internal Thread (NPT, BSP, or custom threading available)? End Connections: Female threaded (FNPT, BSPP, BSPT)2. Pneumatic Actuation? Actuator Type: Double-acting or spring-return (fail-safe option)? Air Pressure: 4-7 bar (58-102 psi) standard (customizable)? Operation: 90° rotation for quick open/close? Optional Accessories: Solenoid valve, positioner, limit switch3. Performance & Ratings? Pressure Rating: PN16/PN25 (150psi/300psi) or higher? Temperature Range:? Flow Capacity: Full port (reduced port available)? Leakage Class: ANSI Class VI (bubble-tight seal)4. Applications? Chemical & Petrochemical: Acid, alkali, and solvent handling? Water Treatment: Filtration, dosing, and pipeline control? Oil & Gas: Fuel and gas shut-off? Food & Beverage: Hygienic, FDA-compliant options available? Pharmaceutical: Sterile and corrosion-resistant flow control5. Advantages? Corrosion Resistant: Suitable for harsh environments? Fast & Reliable: Pneumatic actuation allows for remote/automated control? Low Maintenance: Self-lubricating seats for long service life? Compact & Lightweight: Easy installation in tight spaces6. Standards & Certifications? API 6D, ISO 5211 (Mounting standard for actuators)? CE, RoHS (Compliant for industrial safety)Optional Customizations? Actuator Options: ATEX-certified (explosion-proof), manual override? Special Coatings: Electropolished, sanitary finish (for food-grade use)? Position Feedback: Limit switches for automation control
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