Tuesday, March 13, 2001
Pneumatic products in the windy city. That's what attendees of the
National Design Engineering Show (NDES) saw last week in Chicago.
Among the products on display at the show was Burkert's 8633 TOP,
which integrates a valve control, a pilot valve, and a position feedback device
into a single unit for pneumatically actuated process valves. The single- and
double-acting unit obtains feedback by either mechanical or inductive
positioners. The 8633 fastens directly to the process valve with electrical and
pneumatic connections.
ASCO exhibited the IS Piezo valve line. The Piezo valve consists
of a multi-layer ceramic arm that produces a change in state when supplied with
electricity. It is designed for intrinsically safe environments and
Fieldbus-based systems.
A new pneumatic actuator from Bimba is for conveyer-stopping
applications. The unit's base is the company's EF1 cylinder, which features an
anodized coating, a PTFE-impregnated cylinder body, and a self-lubricating nylon
shaft bearing. The rod end of the cylinder has a modified mounting flange
anchored with four heavy-duty bolts. The flange has a pilot containing an
energy-absorbing polymer bearing.
Parker-Hannifin's pneumatic sensor interface (ASI) wiring system
is used in low-level pneumatic automation systems. The ASI network handles up to
31 slave devices, with each device controlling four inputs and four outputs.
For more pneumatic products, visit www.burkert-usa.com; www.ascovalve.com; www.bimba.com; and www.parker/pneumatic.com.
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