ITT Engineered Valves BioviZion, Инструкция по установке, эксплуатации и обслуживанию, Страница: 13 / 32

4 Installation
4.1 Install the valve and topworks
NOTICE:
The topworks size and configuration can limit the actual operating pressure. Consult the Pure-
Flo catalog for pressure limitations. Consult the factory or engineering catalog for vacuum op-
eration.
1. If you have a weld end valve, then consider the following:
If you are welding ... Then ...
Manually Remove the topworks.
In line for schedule 10 or heavi-
er pipe Remove the topworks.
In line for schedule 5 or lighter
pipe and tubing You can weld with automatic equipment. Before you perform the
weld:
1. Remove the topworks (optional).
2. If left installed, set the valve to the open position.
3. Properly purge the valve with an inert gas.
NOTICE:
Only certified welder and procedures should be utilized for valve body installation.
2. Install the valve.
NOTICE:
Allow welded valves to cool before handling.
NOTICE:
For horizontal piping runs install the valve body on appropriate drain angle as indicated by the
drain dots machined on the ale ends.
3. Cycle the valve two to three times to verify smooth operation.
4.2 Assemble the BioviZion Valve
NOTICE:
Valve shipped with thermal compensation system dis-engaged. Tighten valve bonnet per in-
struction manual prior to pressurizing the valve. For additional information go to www.eng-
valves/envizion.html or contact ITT at 717-509-2200.
1. Secure the valve body in the upright orientation or within the piping.
2. Inspect the valve body seal surface for defects and if it is damaged, repair the body prior to use.
3. Partially open the valve until the diaphragm center just starts to invert.
4. Ensure the diaphragm tabs are properly engaged with the bonnet recesses.
5. Position the diaphragm and bonnet assembly above the valve body while maintaining the dia-
phragm position.
4 Installation
EnviZion and BioviZion Valves Installation, Operation, and Maintenance Manual 11