The pneumatically regulated ball valve is a rotary ball valve with a 90° angle, which can also be called a pneumatic O-type ball valve. It is composed of a pneumatic actuator with a quarter stroke and a ball valve. It is a specially designed and carefully manufactured product based on the introduction of foreign advanced technology. The pneumatically regulated ball valve adopts intelligent control and positioning, and it is matched with the electric valve positioner. It can control the operation by inputting 4~20mADC signal and 0.4~0.7MPa air source to realize the adjustment of pressure, flow, temperature and liquid level. Pneumatically regulated ball valves are powered by compressed air. The valve stem drives the valve core to rotate 90° in the valve body to achieve full-opening-closed action. Pneumatically regulated ball valves are classified into metal seals and soft seals according to their sealing properties. The pneumatic O-type regulating ball valve has the advantages of compact structure, small volume, reliable operation, good sealing performance, easy maintenance, convenient installation and strong adaptability. Pneumatically regulated ball valves are particularly suitable for applications where the media is viscous, particulate-containing, or fibrous. Pneumatically regulated ball valves are widely used in industrial automation control systems such as petroleum, chemical, teaching equipment, light industry, high-voltage equipment, pharmaceutical, papermaking, etc. for long-distance centralized control or local control
Overview of pneumatic regulating ball valve: According to the structural form, the pneumatic regulating ball valve can be divided into pneumatic O-type regulating ball valve or dynamic V-type regulating ball valve. It is mainly used with the valve positioner to make a press signal according to the input and output 4.20mA, so that Control the rotation opening of the ball valve valve. To achieve the proportional adjustment of pipeline medium pressure, flow rate, liquid door and other parameters, among them, the pneumatic/type adjustment glass closure has knotted and removed shape objects (throwing gaps, which can adjust the flow rate according to the change of the opening area in the middle of the field, and can cut off the fluid Closed by impurities contained in the medium, suitable for the control of pulp, mortar, viscous fluid, Pneumatic regulating ball valve principle: The pneumatic regulating ball valve uses compressed air as the driving force to drive the ball flower to rotate back and forth, so as to achieve the opening and closing of the valve. Size, to achieve different degrees of proportional adjustment to the medium flow. When the pneumatic actuator receives the signal from the control system, it generates a corresponding thrust according to the size of the control force, and pushes the adjustment mechanism to drive the valve core to move, and completes the flow and pressure adjustment of the medium in the pipeline. It has a large rated flow coefficient. , good sealing effect, adjustable performance, etc.
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Brass Ball Float Valve Pressure Rating : PN-10 Material : Forged Brass Description : Brass Lever with Plastic Ball Ends : Screwed Female to BS:21 Item Code : FLB00066 Size : 15mm Notes : Available Valve Size : 15mm to 50mm
Gun Metal Ball Valve Pressure Rating : Class-150 Material : Gun Metal / Bronze Description : Full Bore, Two Piece Design, Anti Blow out stem Ball : Brass Cr. Plated Stem : HT Brass, Seats : PTFE Ends : Screwed Female to BS:21 / IS:554 Operator : Lever Operated Item Code : GM000132 Size : 15mm Notes : Available Valve Size : 15mm to 100mm
Brass Ball Valve with Strainer Pressure Rating : PN-20 Material : Forged Brass Description : Full Bore, Two Piece Design, Anti Blow out stem Ball : Brass Cr. Plated Stem : Brass, Seats : PTFE, Screen : SS 304 Ends : Screwed Female to BS:21 / IS:554 Operator : Lever Operated Item Code : FLB00285 Size : 15mm Notes : Available Valve Size : 15mm to 50mm
Brass Ball Valve Pressure Rating : PN-25 Material : Forged Brass Nickle Plated Description : Full Bore, Two Piece Design, Anti Blow out stem Ball : Brass Cr. Plated Stem : HT Brass, Seats : PTFE Ends : Screwed Female to BS:21 / IS:554 Operator : Lever Operated Item Code : GM000200 Size : 15mm Notes : Available Valve Size : 8mm to 100mm
Steel Ball Valve BSEN ISO 17292 Pressure Rating : Class-800 Bore : Full & Regular Material : Forged Steel (A105) Description : Three Piece Antistatic, Blowout Proof Stem Design Body Seat : PTFE, RPTFE, Peek Ends : Screwed, Socket Weld, Butt Weld Operator : Lever, Electric, Pneumatic Specials : Fire Safe, IBR Item Code : FCS00016 Size : 15mm Notes : Available Valve Size : 10mm to 50mm Material : LF2, F304, F304L, F304H, F316, F316L, F51, WCB, CF8, CF8M, CF3, CF3M
Cast Steel Ball Valve API 6D, BSEN ISO 17292 Pressure Rating : Class-150 Bore : Full & Regular Material : Cast Steel (WCB) Description : Two Piece Antistatic Design, Floating Ball, Anti Blowout Proof Stem Design Body Seat : PTFE, RPTFE, Peek Ends : Flanged, Butt Weld Operator : Lever, Gear, Electric, Pneumatic Specials : Fire Safe, IBR Item Code : CCS00016 Size : 15mm Notes : Available Valve Size : CLASS-150 15mm to 200mm CLASS-300 15mm to 200mm CLASS-600 15mm to 150mm Material : LCB, CF8, CF8M, CF3, CF3M, CN7M, CF10, CF10M, 3A, 4A, 5A, 6A etc.
Brass Double Regulating Balancing Valve with Nozzle BS 7350 Pressure Rating : PN-16 Material : Forged Brass Description : Double Regulating Balancing Valve with Nozzle Ends : Screwed Female to BS:21 Item Code : GM000275 Size : 20mm Notes : Available Valve Size : 20mm to 50mm
Gun Metal Ball Float Valve Pressure Rating : PN-10 Material : Gun Metal Description : Rough Body with Plastic Ball Ends : Screwed Female to BS:21 Item Code : GM000066 Size : 15mm Notes : Available Valve Size PN-10 15mm to 100mm PN-16 15mm to 100mm PN-20 15mm to 100mm PN-25 15mm to 100mm
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Gun Metal Ball Valve (Venturi Port) Pressure Rating : Class-150 Material : Gun Metal, Bronze Description : One Piece Venturi Port Ends : Flanged Item Code : GM000103 Size : 15mm Notes : Available Valve Size : 15mm to 100mm
The pneumatic regulating butterfly valve has the advantages of simple and compact structure, convenient processing, easy to manufacture large diameter, self-cleaning action, small drag coefficient and large circulation capacity. It is additionally equipped with a valve positioner, which can be controlled by input control signals (4-20mADC) and a gas source of 0.4-0.7MPa. Pneumatically regulated butterfly valves are suitable for the regulation of fluids in suspended particles and in concentrated, turbid slurry fluids. Clean media can be replaced with a valve plate with a soft seal (rubber ring, PTFE ring) to reduce leakage (up to zero leakage). The high-temperature and high-pressure working conditions can be selected by a three-eccentric hard sealing valve body. Pneumatically regulated butterfly valves are the best means of regulating flow and shutting off fluids in automated control systems. Therefore, the pneumatic regulating butterfly valve is widely applied to the pipeline of corrosive medium such as metallurgy, electric power, petroleum, chemical, air, gas, combustible gas and water supply and drainage with medium temperature â?¤550°C.
ultra small flow needle valve is a kind of top guide single seat valve, it has a simple structure, good sealing performance, reliable use and so on. The top guide system is effective enough to overcome the small opening shock, effective and long service life. A smaller flow coefficient is chosen to increase the use of the valve. Multi spring pneumatic film mechanism or electric actuator can be selected. The valve is the use of , professional development of a small flow of the operating conditions of a product. The body is small in size and light in weight, and the inner screw thread structure is more convenient to be installed and disassembled. The whole body has the characteristics of small size, light weight, high performance and precise control of micro flow.Does not apply to the medium of the more dirty occasions, adjusting the media containing granular media, should be aimed at the problem of small throttle clearance, pay attention to prevent the occurrence of blocking card phenomenon. Especially suitable for liquid, steam and other media in the mainstream of the regulation. required. Design featuresThe small opening range can be adjusted continuously The top guide structure, anti vibration The valve cone seal, the sealing effect is good Multi word design, good adjustment performance Valve seat spray welding hard alloy, corrosion resistance, long life Small size, light weight, easy to install The actuator mounted interchangeableTechnical parameterBody form Straight through type forging valve body Spool form Non balance type single seat valve Nominal diameter DN8 25 NPS 1/4" 1" Nominal pressure PN1.6 32.0MPa CALSS 150 1500 LB Applicable temperature 196 650 Optional Connection form Flange, Welding, Screw thread Flange distance Meet IEC 60534 Non-standard customization Gland form Bolt pressing type Sealing gasket Metal graphite gasket, PTFE Seal up PTFE, flexible graphite Actuatorï¼?Pneumatic actuator, electric actuator
* We manufacture a wide range of Process Ball Valves in single, two, and three-piece constructions.The valves are available in full-bore and regular-bore designs, in a variety of end connections and materials to suit customer requirements. * The valves are of floating-ball design where the ball moves towards the downstream seat, under pressure, to effect a tight seal.Trunnion-mounted Ball Valve design complies to API 6D * Wide portfolio of Side-entry and Top-entry designs * Fugitive emissions - Soft and Metal seated valves complies to ISO 15848-1, Class AH and BH * Firesafe design - to API 607 and API 6FA * CE Marking - Meets requirements of Pressure Equipment Directive 2014/68/EU, Pneumatic shell test conducted at 1.1 times rated pressure to check shell integrity, when required * Double block and bleed (DBB) feature - Valves are designed and tested for automatic * cavity relief * Anti-blowout stem design * Coil springs used for consistent seat loading and lower operating torque * Lip seals provided for low temperature services * Primary O ring and Secondary graphite (in 3 stage stem, thrust washer is primary) * Wide portfolio of Side-entry and Top-entry designs * Options: Buried service, Cryogenic * Offered with Electric, Pneumatic and Hydraulic Actuators * In-house Tests Capabilities * Fire-safe to ISO 10497 and API 607 * Mirror-finished solid stainless ball * Fine-grained PTFE seats * Cavity Pressure Relief mechanism * Blowout-proof stem * High integrity stem sealing â?? Belleville springs compensate for wear and thermal expansions * Size 2" to 56" (50 mm to 1400 mm) * ASME Class Class 150 to 2500 * Design Standard API 6D * Size ¼" to 8" (8 mm to 200 mm) * ASME Class Class 150 to 2500 * Design Standard ISO 17292, API 608, API 6D * Antistatic feature * Actuator-mounting flange conforms to ISO 5211 * Single, two and three piece constructions * Full-bore and regular-bore designs * Soft and metal-seated * Offered in carbon steel, stainless steel and duplex stainless steels * Screwed, socket-weld and flanged ends * ASME classes up to 2500 * Variety of actuation option
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We are leading manufacturer & exporter of Brass & metal Hydraulics and Pneumatics fittings as per customer specification or requirements.
Unick Control System specializes in manufacturing a wide range of valves designed to meet diverse industrial applications. From gate valves and globe valves to ball valves and butterfly valves, our products are meticulously crafted to adhere to the highest standards of quality and performance. Each valve is manufactured under strict quality control protocols, ensuring reliability, durability, and precision. We prioritize understanding and fulfilling our clientsâ?? unique requirements, tailoring our solutions to match their specific operational needs. At Unick Control System, delivering excellence and exceeding customer expectations remain at the core of our commitment to innovation and quality.
