Chemical Engineering February 2017 - 28

New Products
Parker Hannifin
These pneumatic valves reduce
costs for compressed air
Much of a plant's air costs can be associated
with inappropriate uses of (or
artificial demand for) compressed air.
This company's Air Saver Unit (ASU)
pneumatic valves (photo) save energy
by interrupting the flow of compressed
air to blowing end uses at adjustable
frequencies. The devices reduce
compressed air costs by as much as
40-50% over typical constant-flow
applications, according to the manufacturer.
Rather than a steady stream
of air, an ASU delivers a series of impulses,
which offer a significant mechanical
advantage.
Because the
ASU has an opportunity to recover
during the " off " period of each on/off
cycle, the impulses are delivered with
somewhat greater force than a steady
stream of air would provide. - Parker
Hannifin Corp., Cleveland, Ohio
www.parker.com
Rembe
These venting systems are now
approved for metal dust
The Q-Rohr family of indoor flameless-venting
products (photo) has
recently been approved for use with
metal dusts. Q-Rohr systems can
also be used with other types of
dusts, gases and hybrid mixtures.
These indoor systems eliminate the
need for relocating dust collectors or
other enclosures outside. The system
consists of a specialized stainless-steel
mesh construction and a
rupture disc. An integrated signaling
unit connects to any audible or visual
alarm and shutdown to alert plant
personnel in the event of an incident.
If an incident occurs, flames are extinguished,
and pressure, noise and
Hoerbiger
dust are reduced to negligible levels.
- Rembe, Inc., Charlotte, N.C.
www.rembe.us
This valve actuator has
safety functions
The TriVAX product family (photo)
provides confidence through traceable,
encapsulated
housing that fulfills requirements
for operation in potentially
explosive atmospheres (Ex protection
according to ATEX II2GD Ex d IIB T4).
Especially with expansive facilities or
pipelines, where the butterfly valves
are often miles apart, the valves can
be controlled via a simple electrical
signal. Thanks to integrated interfaces
to standard fieldbuses (Profibus
PA, HART, Foundation Fieldbus)
and the 4-20-mA connection, the
TriVAX can be integrated quickly into
existing
automation
concepts. -
Hoerbiger Ventilwerke GmbH & Co.
KG, Vienna, Austria
www.hoerbiger.com
Monitor leaks in pressure-relief
valves with this switch device
FLT93L Series FlexSwitch (photo)
accurately monitors pressure-relief
valves for escaping flow with a flowsensing
switch-alarm assembly that
is based on thermal-dispersion technology.
The FLT93L switch detects
leaking or seeping gas in lines to
alert engineers to overpressurization.
It issues a programmed alarm
during such events. For the system
to work properly, the FLT93L must
detect low flows and yet avoid issuing
false alarms that could seriously
impact plant operations. The switch
is easy to install and set up, and its
voltage output allows users to see
into the process and accurately set
the desired trip point. Flexible dual
relays are configurable by plant technicians
for any combination of flow
or temperature alarms. The FLT93L's
flow accuracy is ±2% of the setpoint
velocity over a ±50°F temperature
range. - Fluid Components International
LLC, San Marcos, Calif.
www.fluidcomponents.com
Reduce waste in sealant and
adhesive applications
Fluid Components International
28
proven, transparent safety
functions. Along with the company's
smart Partial Stroke Test (sPST) integrated
into the valve actuator, these
functions include a hydraulic-circuit
safety system with high-quality components,
as well as the flameproof
The Hydraulic Fixed Ratio (HFR)
Metering System (photo, p. 29) improves
throughput and significantly
reduces waste and rework in adhesive
and sealant dispense applications.
The HFR is a meter, mix and
dispense system that is capable
of processing multiple sealant and
adhesive materials. As the system
dispenses material, it automatically
CHEMICAL ENGINEERING WWW.CHEMENGONLINE.COM
FEBRUARY 2017
http://www.hoerbiger.com http://www.parker.com http://www.fluidcomponents.com http://www.rembe.us http://WWW.CHEMENGONLINE.COM
Chemical Engineering February 2017

Table of Contents for the Digital Edition of Chemical Engineering February 2017
