Warren-controls 313 Overflow Trap Manuel d'utilisateur télécharger pdf (Page 4)

2600 Emrick Blvd • Bethlehem, PA 18020 • USA •800-922-0085 • www.warrencontrols.com

INSTALLATION – TYPE 313

OVERFLOW TRAP

• To determine which 313 Overow Trap you

have locate the part number on the factory

serial number label (See Information Present

on 313 Overow Trap section for location of

important information on overow traps).

Then see 313 Overow Trap Specications

section to determine the performance and

physical characteristics of the overow trap).

• The overow trap must be installed in

vertical pipe with its inlet up as shown on the

installation orientation label (See Information

Present on 313 Overow Trap section for

location of important information on overow

traps).

• Eliminate vibration in piping. 313 Overow

Traps are not suitable in installations where

vibration exists.

• Before installing, be sure the 313 Overow

Trap and piping are clean inside and free

of scale, chips, welding spatter, and foreign

material. Thoroughly blow out or ush pipe

lines.

• Donotobscurefactoryserialnumberlabelor

installation orientation label with paint.

• Pipeplugmustbeinstalledinoatchamber

during operation.

OPERATION – TYPE 313 OVERFLOW TRAP

• Deaerators,tankswithsteamblankets,producecondensateasthesteamcondenses.The313OverowTrap

traps and relieves this condensate through its internal pilot while keeping the steam blanket from escaping.

Overow can occur if the water entering the tank exceeds its capacity. The 313 Overow Trap relieves the

overow through its internal single seated main stage valve. Buoyancy of the overow trap’s internal oat ball

provides force to actuate the internal pilot operated single seated valve assembly to relieve condensate and

overow to drain. It is normal for condensate to intermittently ash to steam as it is relieved to the drain. Steam

from the steam blanket however should not be continuously exiting the overow trap to the drain.

MAINTENANCE – TYPE 313

OVERFLOW TRAP

• 313OverowTrapsforthemostpartaremain-

tenance free when sized and chosen properly

for the application. Maintain the uid pres-

sure, pressure drop, and temperature within

the limits of the overow trap (See Informa-

tion Present on 313 Overow Trap section for

location of important information on overow

trap and 313 Overow Trap Specications sec-

tion to determine the performance and physi-

cal characteristics of the overow trap).

• Theinletandoutletoftheoverowtrapmust

be kept unblocked. The internal pilot operat-

ed single seated valve assembly must be kept

free of debris, deposits, and dirt. The internal

pilot operated single seated valve assembly

must move freely. The oat ball must not be

come lled with water. The oat lever must

be straight. Factory set-up of the overow

trap is shown on drawing 03130611101.

• Thewaterlevelinsidetheoatchambermust

cover the windows in the valve body in order

for the main stage to open.

• PerformFloatBallLevelTestduringscheduled

maintenance periods. Float ball level must be

correct for water to be at correct level in the

oat chamber. A set-up xture may also be

fabricated as shown on drawing 03130614111

to test and set the oat ball level.

• Pipeplugmustbeinstalledinoatchamber

during operation.

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Warren-controls 313 Overflow Trap Manuel d'utilisateur Page 4

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