Watts WIB User Manual
Equipment Drain Point
Static
Head
Shutoff Valve
Bucket Trap
Dirt
Pocket
"Y" Strainer
Priming
Port Plug
Test &
Pressure
Relief
Shutoff
Valve
To
Return
Line
Drain Plug
To Drain
Gravity Return to
Vented Receiver
Equipment Drain Point
Static
Head
Shutoff Valve
Bucket Trap
Dirt
Pocket
"Y" Strainer
Priming
Port Plug
Test &
Pressure
Relief
Check
Valve
Shutoff
Valve
Return
Line
Drain Plug
To Drain
Series WIB
Inverted Bucket Steam Trap
Traps should be installed in an accessible position and location
for easy servicing.
The maximum differential pressure (ΔP) stamped on product
nameplate must be greater than the maximum pressure differential across the trap.
The trap must be installed with the body upright so that the
bucket is rising and falling vertically. The inlet and outlet connections should be in a horizontal plane, with the trap installed
below the drain point, so that a water seal can be maintained
around the open end of the bucket.
Installation Instructions
1. Install below and close to equipment being drained, avoid
long lengths of horizontal piping ahead of trap.
2. Pitch all horizontal inlet lines toward the steam trap to help
eliminate potential water hammer problems (Fig. A).
3. All WIB Models should have a strainer installed ahead of trap.
4. Union fittings and shutoff valves should be installed on both
sides of trap for ease of servicing and trap testing.
5. A test and pressure relief valve should be installed to assure
relief of internal pressure prior to servicing and as a visual
indication of trap operation.
6. A check valve should be installed on return piping if there
will be a pressurized return line or the trap drains to an overhead return line (Fig. B).
Priming
Inverted bucket traps need to be primed before being placed
into service. Either method can be used:
1. Remove pipe plug from trap cover. Pour water into trap until
full, replace pipe plug.
2. Keep return piping valve closed until trap fills with condensate. Slowly open valve.
IS-WIB
Models 80 and 81
Maintenance
The trap mechanism should be inspected periodically and all
dirt removed from working parts.
Typical Installation Piping Detail
Fig. A
Fig. B
Overhead (Pressurized Return)
Worn parts must be replaced.
Gravity Return
Limited Warranty: Watts Regulator Co. (the “Company”) warrants each product to be free from defects in material and workmanship under normal usage for a period of one year from the date of
original shipment. In the event of such defects within the warranty period, the Company will, at its option, replace or recondition the product without charge.
THE WARRANTY SET FORTH HEREIN IS GIVEN EXPRESSLY AND IS THE ONLY WARRANTY GIVEN BY THE COMPANY WITH RESPECT TO THE PRODUCT. THE COMPANY MAKES NO OTHER WARRANTIES,
EXPRESS OR IMPLIED. THE COMPANY HEREBY SPECIFICALLY DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
The remedy described in the first paragraph of this warranty shall constitute the sole and exclusive remedy for breach of warranty, and the Company shall not be responsible for any incidental, special
or consequential damages, including without limitation, lost profits or the cost of repairing or replacing other property which is damaged if this product does not work properly, other costs resulting from
labor charges, delays, vandalism, negligence, fouling caused by foreign material, damage from adverse water conditions, chemical, or any other circumstances over which the Company has no control.
This warranty shall be invalidated by any abuse, misuse, misapplication, improper installation or improper maintenance or alteration of the product.
Some States do not allow limitations on how long an implied warranty lasts, and some States do not allow the exclusion or limitation of incidental or consequential damages. Therefore the above
limitations may not apply to you. This Limited Warranty gives you specific legal rights, and you may have other rights that vary from State to State. You should consult applicable state laws to
determine your rights.
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO ONE YEAR FROM THE DATE OF ORIGINAL SHIPMENT.
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
IS-WIB 0829 EDP# 1910717
SO FAR AS IS CONSISTENT WITH APPLICABLE STATE LAW, ANY IMPLIED WARRANTIES THAT MAY NOT BE DISCLAIMED, INCLUDING THE IMPLIED WARRANTIES OF
Water Safety & Flow Control Products
© Watts, 2008
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