ACTUATORS FOR HAZARDOUS AREAS Tritex II DC actuators integrate a servo drive, digital position controller, brushless motor and linear or rotary actuator in one compact, sealed package. They offer 100% continuous duty for hundreds of millions of cycles, millisecond response times and accuracy of 0.10% of span. They can reach speeds up to 25 in./sec and forces to 1000 lbs. They are CSA-certified for Class I, Division 2, Groups A, B, C and D. Exlar Corp. 952/500-6200 www.exlar.com
FAST, ACCURATE POSITIONING The EDP300 series digital positioner regulates rotary and air-driven linear actuators, including control valves. It uses an advanced algorithm to precisely position the valve actuator. Diagnostics include optional pressure sensors to determine valve/actuator performance and a partial stroke test function for in-process verification of valve integrity. ABB Measurement Products 800/435-7365 www.abb.com/measurement
IMPROVED SAMPLE EXTRACTION The Swagelok Sample Probe Module (SPM) is designed for improved extraction of process samples in online analyzer systems. It is available as a double block-and-bleed SPM with a welded sample probe that has a primary block valve, secondary block valve and a bleed valve, or a single block-and-bleed SPM with retractable sample probe with a primary block valve, bleed valve and probe spool lock. Swagelok www.swagelok.com
CLEAN VALVES, SENSORS, CONTROLLERS The Burkert Element line of valves, sensors and controllers offer a clean environment for hygienic processes. They offer reliable control of fluids, including steam, corrosive solvents and chemicals or abrasive fluids, such as slurries. There are no coatings, pockets or external pneumatic lines to hinder cleanliness, and valves are delivered with bright visual feedback via signal LEDs or a backlit graphic display. Burkert Fluid Control Systems 800/325-1405 www.burkert-usa.com
HOUSED VOICE COIL ACTUATOR The LAH43-86-000A VCA produces 310 lbs. of peak force (80 lbs. continuously) with ±0.625 in. of stroke. The unit's self-aligning feature allows customer to easily adapt it to new applications. The VCA is well-suited for valve actuation, pick and place, mirror steering and pumps for metering and dosing in such industries as industrial, medical, scientific and others. BEI Kimco Magnetics 800/572-7560 www.beikimco.com
PNEUMATIC AND ELECTRIC ACTUATED BALL VALVES The BVP70/BVP80 series features a stainless steel external trim and FKM O-rings standard. It is designed to operate using an air supply of 3.5 bar to 8.6 bar (50 psi to 125 psi). Electric actuators feature two ½ NPT conduit ports and integral thermal overload protection. It's perfect for water, chemical industries, automotive testing and process control applications. Omega Engineering 203/350-1660 www.omega.com
ADAPTABLE ACTUATORS The C27 line of actuators can be coupled to any one of several body assemblies or valve body models. It has higher bench ranges that allow for an increase in pressure drop capacities and an increase in flow capacities. The shorter stem and yoke make the valve assembly more compact, which means the unit will require less space when installed in a gas, oil, water, steam or corrosive liquid transfer system. Cashco 785/472-4461 www.cashco.com
ACTUATORS FOR CORROSIVE ENVIRONMENTS Series 10 electric actuator features a worm gear design and de-clutchable override with hand wheel, thermal overload protection, a 70% duty cycle, cycle times of 21 sec to 31 sec and an output torque range from 1320 in/lbs. to 17,400 in/lbs. Its combination NEMA Type 4X and 6 enclosure is fitted with an O-ring, allowing it to weather harsh environments. It conforms to AWWA C542. Asahi/America, Inc. 800/343-3618 www.asahi-america.com
PUMP UP THE VOLUME The Fisher VBL booster incorporates a fixed dead band, internal soft seats, and an integral bypass restriction that combine to eliminate the positioner problems. It features internal soft seats that yield tight shutoff to reduce unnecessary air consumption and eliminate saturation of positioner relays. The VBL booster features an aluminum body with ¼ NPT input and ½ NPT connections. Emerson Process Management www2.emersonprocess.com
STANDS UP UNDER PRESSURE Engineered for use in high-pressure chemical applications, including research, injection and pilot plants, the HP-60 is a 60,000 psi low-flow control valve. It can withstand intense pressure, and provides a moderate level of corrosion resistance. The versatility of the HP-60 means it can be used for both flow control and as a Class IV shutoff valve. Badger Meter 800/876-3837 www.badgermeter.com
DUMP VALVE Samson Type 3525 on/off valve is designed for use in high-pressure applications for the upstream oil and gas market. Standard features include an A352 LCC body, a Stellite 6 plug and seat, a field-adjustable flow and NACE MR0175/ISO 15156 certification. It comes with field-reversible actuators and adjusted travel limits for easier field servicing. Samson Controls www.samson-usa.com
PRECISE CONTROL, CONTINUOUS MODULATION CMA series of all-electric modulating actuators is sized for linear, quarter-turn and rotary control valve and pump applications requiring precise position control and continuous modulation. They can be powered by single-phase or direct current supplies. Resolution is 0.25% on linear and quarter-turn applications and 2° on the multi-turn configuration. Rotork www.rotork.com
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