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PT11
Thermodynamic Steam Traps
DESCRIPTION:
Thermodynamic steam trap with inbuilt strainer, in full stainless steel construction, best suited for header and main line drains and drip legs.
FEATURES:
Complete stainless steel construction ensures better mechanical and corrosion resistance properties. The disc and seat are hardened by a special induction hardening process with seat harder than disc, to withstand continuous, prolonged operation. Condensate entry below the disc, concentric to the disc/seat ensures a clean and parallel lift of the disc with reference to the seat, eliminating localized wear and tear.
The inbuilt strainer screen isof adequately large area. Ideal for fluctuating loads and pressures. Perfectshut-off, no steam loss.
SIZES: DN15, 20, 25
CONNECTIONS: Screwed (NPT/BSPT/BSP)
Flanged*, Socket weld
*End connection flanges of ASTM A105 forged carbon steel are welded on.
Non IBR1 / IBR approved
MAINTENANCE:
This trap can be maintained without disturbing the piping connections. Ensure that the trap is isolated -upstream and downstream - before attempting to dismantle it. ALLOW THE TRAP TO COOL BEFORE DISMANTLING.
For trouble-free performance, periodic cleaning ofthe disc, seat and strainer screen is recommended. Do not use abrasive / corrosive media for cleaning. Only the disc and seat are subjecttowear. Aworn disccan be replaced. Slightseatwearcan often be corrected by resurfacing on a lap plate.
IMPORTANT:
The trap should be installed as close as
possible to the line to be drained.
For new pipelines, ensure that the lines are properly
flushed, prior to fitting the traps, to avoid strainer
choke-up.
LIMITING CONDITIONS:
PMA: Max. allowable pressure
42 bar(g)
TMA: Max. allowable temp.
426 °C
Maximum operating back pressure at the outlet should not exceed 80% of the inlet pressure.
Minimum differential pressure for satisfactory operation
0.25 bar
Cold hydro test pressure
84 bar (g)
INSTALLATION:
The trap will operate in any position but the preferred installation is in a horizontal position with the disc cap on the top. Full port isolating valves should be installed upstream and downstream of the trap.
Indian Boiler Regulations