Watts BD-QT User Manual
For Boiler Drain or Sill Cock Applications
ES-BD-QT
Job Name
Job Location
Engineer
Approval
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Series BD-QT
Quarter-Turn Boiler Drains
Sizes: 1⁄2"- 3⁄4" (15-20mm)
Series BD-QT quarter-turn boiler drains offer an innovative
alternative to old-fashion multi-turn type boiler drains. These
drains were developed to provide the speed and convenience
of quarter-turn ball valve performance for boiler drain or sill
cock applications.
For durability and extended length service, series BD-QT uses
a rugged forged brass body, adjustable Teflon
and rugged aluminum tee handles. For added utility, the
(15mm) model features a dual-pattern combination threaded
and solder end by
3
⁄4" (20mm) hose connection. The 3⁄4"
(20mm) model is available in either solder or threaded ends.
Features
• Quarter-turn ball valve design
• Positive shutoff
• Rugged aluminum tee-handle design
• Adjustable Teflon
®
stem packing
Specifications
A quarter-turn boiler drain shall be installed where indicated on
the plans. The boiler drain shall be manufactured from forged
brass and have an adjustable Teflon
drain shall feature a quarter-turn ball valve design and positive
shutoff. The boiler drain shall be a Watts Regulator Company
Series BD-QT.
®
stem packing. The boiler
®
stem packing
1
⁄2"
Contractor
Approval
Contractor’s P.O. No.
Representative
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Materials
Body: Forged brass
Stem Packing: Teflon
Tee Handle: Aluminum
®
Pressure-Temperature
Maximum Temperature: 250°F (121°C)
Maximum Pressure: 200psi (13.8 bar)
3
⁄4" BD-QT
C
Dimensions – Weights
Model Size A B C Weight
in. mm in. mm in. mm in. mm lbs. kg
BD-QT
BD-QT
Teflon® is a registered trademark of E.I. Dupont de Nemours & Company Incorporated.
Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts
reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications
on Watts products previously or subsequently sold.
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
1
⁄2 15 33⁄8 86 21⁄4 57 15⁄16 24 .04 .01
3
⁄4 20 41⁄8 104 27⁄16 62 11⁄8 28 .05 .02
ES-BD-QT 0826 © Watts, 2008
B
A
Water Safety & Flow Control Products
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