R-20 SM
3. OPERATION INSTRUCTIONS
1.
To manually open the valve, turn the 3-way manual selector ball valve [
4
] to open position.
Please note:
By doing so you will have no control over the system pressure and flow-rates.
2.
In order to change the minimum upstream preset pressure see section
2.3
4. MAINTENANCE
Under regular operation A.R.I's valves require minimal maintenance and no lubrication, however in
freezing climates the valve should be dismantled and drained for the winter months.
4.1. Periodic Inspection
1.
Every
6
months visually inspect the valve's diaphragm for any tears.
2.
Every
12
months inspect the valve's operation and clean the Finger Filter.
3.
Check the downstream pressure; adjust if required.
4.2. Storing the valve
It is not recommended to store the valve or its spare parts for long periods (years); under improper storage conditions
rubber parts can harden, have ozone cracking, grow mold bloom and heat aging.
It is recommended to order new rubber parts when required.
Содержание Eliptix R-20 SM Series
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