Chandler Engineering
5000 SERIES PUMP MANUAL
[62]
The safety rupture disk included in all Quizix pump systems is a ONE-TIME ONLY item that must be
replaced if it is activated. It is not a pressure relief valve and cannot be tested. If you bring the system
pressure up to the level at which the disk is designed to activate, it will rupture and must be replaced.
See Chapter 5, Section 5.3.4 for more information about the safety rupture disk. Also see Chapter 11,
Section 11.5 for instructions on replacing a safety rupture disk after it has been activated.
8.7 Hastelloy Option for Corrosive Fluids
The 5000 Series Pump System (including all fluid tubing, valves, safety rupture disk holders, and parts
of the pump cylinder) is composed of either stainless steel (SS–316) or Hastelloy (C-276). If you pump
fluids that are highly corrosive, such as brines or oils, then a Hastelloy option is available and
recommended. The Hastelloy option is highly corrosion resistant and substantially extends the life of
your pump system.
When the Hastelloy option is specified, all metal parts that come in contact with a fluid are made of
Hastelloy C–276. These parts include the fluid-wetted parts in the Q5000 pump cylinder, the CV–310
valves, the safety rupture disk and its holder, the tubing for the fluid plumbing, and the fittings and tees.
The pressure transducers, however, are only available in stainless steel. Non–metal parts that come into
contact with a fluid include PEEK (in the valves), Teflon or UHMW seals, and o–rings of various
materials.
8.8 High Temperature Option
The Quizix pump system is available in a high temperature version that allows the pump cylinders and
valves to be heated up to 160°C. The following changes are made to the plumbing in high temperature
systems:
•
Tubing used for the air connections between the pilot solenoids and valves are
constructed of Teflon instead of nylon.
•
The fittings on the CV–310 valves, into which the air tubes are inserted, are Swage–
type fittings instead of plastic quick–disconnect fittings. The Swage fittings have metal
ferrules, which should be screwed tight when the air line is inserted.
When setting up a high temperature system, the following information regarding the valves, pilot
solenoids and transducers should be considered.
8.8.1
Transducers
The standard pressure transducers operate at 70°C. They can be used at temperatures up to 80°C
inside an oven without severely shortening their lifetime. However, for temperatures above 80°C,
the pressure transducers must be mounted outside the oven. To facilitate their placement outside
the oven, high temperature systems are shipped with a longer length of fluid tubing to connect the
pressure transducer to the cylinder barrel.
Содержание Ametek Quizix 5000 Series
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