Proper Installation - TLV LV Série Manuel D'utilisation

5. Proper Installation

CAUTION
1. Before installation, be sure to remove all protective seals from product.
2. Install LV5, LV13, LV21 and LV13N either vertically or horizontally, but make sure the arrow
on the product points in the direction of flow. LV13L should be installed horizontally in,
vertically out. DO NOT install the traps upside down.
3. Before installing the steam trap, blow out the inlet piping to remove all dirt and oil.
4. Install a bypass valve to discharge condensate, and inlet and outlet valves to isolate the trap
in the event of trap failure or when carrying out maintenance.
5. Install the trap in the lowest part of the pipeline or equipment so the condensate flows
naturally downward into the trap by gravity. The inlet pipe should be as short and have as
few bends as possible.
6. Install a check valve at the trap outlet whenever the condensate discharge pipe leads to a
tank or recovery line, or whenever the condensate collection pipeline is connected to more
than one trap.
7. In order to avoid excessive back pressure, make sure the discharge pipes are large enough
(the outlet back pressure allowance should be no more than 90% of the inlet steam
pressure).
8. The use of unions is recommended to facilitate connection and disconnection of the trap.
9. When completing the piping, support the pipes within 0.8 meters (2.5 ft) on either side of the
trap.
6. Piping Arrangement
Check to make sure that the pipes connected to the trap have been installed properly.
1. Has the piping work been done correctly, as shown on the next page?
2. Is the pipe diameter suitable?
3. Has the trap been installed with the arrow on the product pointing in the direction of flow?
4. Has sufficient space been secured for maintenance?
5. Have maintenance valves been installed at the inlet and outlet?
6. If the outlet is subject to back pressure, has a check valve been installed?
7. Is the inlet pipe as short as possible, with as few bends as possible, and installed so that the
condensate will flow naturally down into the trap?
• Installation, inspection, maintenance, repairs, disassembly, adjustment
and valve opening/closing should be carried out only by trained
maintenance personnel.
• Take measures to prevent people from coming into direct contact with
product outlets.
• Do not use excessive force when connecting threaded pipes.
• Install for use under conditions in which no freeze-up will occur.
• Install for use under conditions in which no water hammer will occur.
― 10 ―