4.
If the valve is to be insulated, only the body should be insulated, excluding the bonnet part.
5.
In models with a heater, when the heater is in operation, the entire valve becomes hot.
Be
careful not to touch it with bare hands, as burns will result.
6.
The temperature of the product which temperature is controlled by the heater will be stabilized
at several percent lower than the set temperature in a certain time after the start of the heater.
(There are 5 to 10% of decrease of temperature due to individual difference )
1.
Before mounting, clean the surface of the flange seal and the O-ring with ethanol, etc.
2.
There is an indentation of 0.1 to 0.2mm in order to protect the flange seal surface, and it
should be handled so that the seal surface is not damaged in any way.
If the fluid or reaction product (deposit) may cause the valve to become unsafe, the valve should
be disassembled, cleaned and re-assembled by an operator who has sufficient knowledge and
experience (e.g. a specialist).
1.
When removing deposits from the valve, take care not to damage any part of it.
2.
Replace the bonnet assembly when the valve is approaching the end of its service life.
* For details regarding endurance cycles, please reference Section 5 of this Operation
manual titled Period and scope of warranty. (pages 11)
3.
If damage is suspected prior to the end of the service life, perform early maintenance.
4.
SMC specified parts should be used for service. Refer to the Construction / Maintenance
parts table.
5.
When removing the valve seal and external seal, take care not to damage the sealing
surfaces. When installing the valve seal and external seal, be sure that the O-ring is not
twisted. (Refer to Section 6 Parts Replacement Procedure (pages 12 to 15) for details.)
Piping
Caution
Maintenance
Warning
Caution
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