172-65200MA-07 (PCV-1) 8 Oct 2021
6
Installation
Install properly and DO NOT use this product outside the recommended
operating pressure, temperature and other specification ranges.
Improper use may result in such hazards as damage to the product or
malfunctions which may lead to serious accidents. Local regulations
may restrict the use of this product to below the conditions quoted.
CAUTION
Use hoisting equipment for heavy objects (weighing approximately
20 kg (44 lb) or more). Failure to do so may result in back strain or other
injury if the object should fall.
CAUTION
Take measures to prevent people from coming into direct contact with
product outlets. Failure to do so may result in burns or other injury from
the discharge of fluids.
CAUTION
Installation, inspection, maintenance, repairs, disassembly, adjustment and valve
opening/closing should be carried out only by trained maintenance personnel.
1. Before installation, be sure to remove all protective seals.
2. Before installing the product, blow out the inlet piping to remove any piping
scraps, dirt and oil. Close the inlet valve after blowdown.
3. Install the product so the arrow on the body is pointing in the direction of flow.
4. Support the inlet and outlet pipes securely to prevent vibration.
5. Leave sufficient space for adjusting the set pressure, maintenance, inspection
and repair.
6. Install a bypass valve for maintenance and inspection.
7. Install copper tube to the bite type tube fitting on the side of the cover and make
sure that the piping leads to a safe location such as a pit.
(Steam may blow when o-rings at piston are damaged.)
8. Do not install the product at locations where foreign matter accumulates in the
piping or water hammer occurs.
9. When installing the product on piping, make sure that the adjustment screw is
vertical to the horizontal piping and the cap stays at the top position.
If there is a problem, determine the cause using the “Troubleshooting” section in this
manual.
