Parr Instrument 4857 - Manual (Page 6)

4857 Reactor Controllers
- 6 -
User’s Responsibility
All Parr Reactors and Pressure Vessels are
designed and manufactured with great care to
assure safe operation when used within their
prescribed temperature and pressure limits.
But…the basic responsibility for safety when
using this equipment rests entirely with the user;
who must:
1. Select a reactor or pressure vessel that has
the capability, pressure rating, corrosion
resistance, and design features that are
suitable for its intended use. Parr engineers
will be glad to discuss available equipment
and material options with prospective users,
but the final responsibility for selecting a
reactor or pressure vessel that will perform to
the user's satisfaction in any particular
reaction or test must rest with the user - not
with Parr.
In exercising the responsibility for the
selection of pressure equipment, the
prospective user is often faced with the
choice between over- or under-designed
equipment. The hazards introduced by
under-designed pressure vessels are readily
apparent, but the penalties that must be paid
for over-designed apparatus are often
overlooked. Recognizing these criteria, Parr
reactors and pressure vessels are offered in
several different styles, each designed for
convenient use in daily operation within
certain temperature and pressure limits, using
gaskets, closures, and other elements
carefully selected for safe operation within the
limits specified for that design. But in order to
preserve the validity of these designs, all
temperature and pressure limits must be
observed, and no attempt should be made to
increase these limits by making alterations or
by substituting components which are not
recommended by Parr Instrument Company.
2. Install and operate the equipment within a
suitable barricade, if required, with
appropriate safety accessories and in full
compliance with local safety codes and rules.
All standard Parr pressure vessels are provided
with either a suitable relief device or a means to
attach one (typically in the form of a plugged
opening). When a pressure vessel is delivered
without a pressure venting device, it is the
customer’s responsibility to provide pressure
relief in order to protect the operator and the
equipment from destructive high pressures. If
you need more information or need help in
selecting a proper relief device, please contact
Parr Instrument Company.
3. Establish training procedures to ensure that
any person handling the equipment knows
how to use it properly.
4. Maintain the equipment in good condition and
establish procedures for periodic testing to be
sure the vessel remains structurally sound.
Unpack Carefully
Unpack the equipment carefully and check all
the parts against the packing list. If shipping
damage is discovered, report it immediately to
the delivering carriers. Examine the
components closely for any loose parts or
shipping damage and be sure to check all layers
of packing materials thoroughly so as not to
overlook any parts which might otherwise be
discarded.