PRODUCTS & PROJECTS
ACTUATOR FEATURES INTEGRAL
The new Rotork GPSA electric, explosion-proof, process control actuator offers high-precision performance, an advanced
human-machine interface (HMI) and cost-saving capabilities.
It is available in linear and rotary actions and features an
integral process controller, nonintrusive set-up and calibration, local controls, manual override, continuous modulation,
diagnostics, programmable output characterization and input
Typically, process systems require additional control panels, cabling and extensive installation; however, the GPSA is
provided in one integral package. A two-line, 16-character
VFD display and nonintrusive rotary switches comprise the
actuator’s HMI, providing user access for viewing and modifying parameters as
well as data feedback. The GPSA actuator is mountable in any position and can
operate on single-phase 120/240 voltage and 24 VDC.
FOR MORE INFO: WWW.ROTORK.COM
RACK AND PINION ACTUATORS
The new Type 1032s from RSVP Actuators & Controls are computer designed to
properly balance criteria and to provide alternatives that best fit clients’ needs.
These actuators are manufactured for RSVP, using state-of-the-art machinery and
quality assurance complying with ISO 9001 and PED 97/23/EC.
Two independent external travel stops permit easy and precise adjustment of
plus-or-minus 5 degrees in both directions. Adjustment screws do not penetrate the
pressurized body, which eliminates possible leakage. Modular pre-loaded spring
cartridges provide for safe, efficient use of the actuator. A double-acting actuator
can be converted to a spring return actuator by simply removing the end caps and
adding 2-6 spring cartridges on each side to accomplish the desired torque.
The RSVP 1032 actuator is manufactured in full compliance with ISO 5211
FOR MORE INFO: WWW.RSVPACTUATORS.COM
LARGE DIAMETER BUTTERFLY
GF Piping Systems has introduced the new chemically
resistant Type 567 and 568 butterfly valves in large
diameter sizes up to 8 or 12 inches, depending on the
model. The new valves feature a disc and liner made of
PVDF (polyvinylidene fluoride) and PTFE (
polytetra-fluorethylene) seals to provide greater chemical resistance and performance capabilities across a wide temperature range. Suitable applications include chemical
processing, chlorine electrolysis, chemical production, and sanitization in markets
such as food and beverage, pulp and paper, and steel production.
By combining the two high-performance plastics of PVDF and PTFE, the new
valves provide reliability, low permeability and high chemical resistance for conveying extremely aggressive media. Specifically, three separate sealing elements are
used: a PTFE profile seal in the seal passage, a double internal shaft seal on both
sides of the shaft, and a special profile flange seal with broader contact face.
FOR MORE INFO: WWW.GFPIPING.COM
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Insert Valve Basics Seminar
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