Watts B911S Manuel d'utilisateur
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
For Residential and Commercial Applications
ES-911
Job Name
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Contractor
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Job Location
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Approval
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Engineer
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Contractor’s P.O. No.
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Approval
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Representative
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911
MODEL SIZE (DN) DIMENSIONS WEIGHT
AB
in. mm in. mm in. mm lbs. kgs.
911
1
⁄
2
15 8
1
⁄
2
216 5
1
⁄
4
133 4.2 1.9
911S
1
⁄
2
15 8
1
⁄
2
216 5
1
⁄
4
133 4.2 1.9
B911
1
⁄
2
15 8
1
⁄
2
216 5
1
⁄
4
133 4.2 1.9
B911S
1
⁄
2
15 8
1
⁄
2
216 5
1
⁄
4
133 4.2 1.9
Series 911
Combination Fill Valve and
Backflow Preventer
Size:
1
⁄2" (15mm)
Series 911 combination fill valve and backflow preventer consists of
a Model 9D backflow preventer and Model 1156F feed water pres-
sure regulator in one pre-assembled unit. This valve is designed for
use on boiler feed lines to provide make-up water to the boiler and
prevent backflow when supply pressure fails below system pressure.
Features
•Pre-assembled for ease of installation
•Easy service accessibility
• High capacity fill valve for quick system filling and purging
Models
911 – union NPT x NPT connections
911S – union solder x NPT connections
B911 – all bronze body construction union
NPT x NPT connections
B911S – all bronze body construction union
solder x NPT connections
Specifications
A combination fill valve and backflow preventer shall be installed on
the boiler feed line to provide make-up water to the boiler. The valve
shall contain a Watts Regulator Model 9D backflow preventer and
Model 1156 feed water pressure regulator. The combination fill
valve and backflow preventer shall be a Watts Regulator Company
Series 911.
Pressure – Temperature
Maximum Temperature: 212°F (100°C)
Maximum Working Pressure: 100psi (6.9 bars)
Adjustment Range: 10-25psi (68.7 – 172.4 kPa) set at 15psi
(103.4 kPa)
Options
add suffix:
S –
1
⁄2" (15mm) union solder inlet x
1
⁄2" (15mm) threaded outlet
add prefix:
B – bronze body regulator
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.wattsreg.com
Canada: 5435 North Service Rd., Burlington, ONT L7L 5H7; www.wattscda.com
ES-911 0329 ©Watts Regulator Company, 2003 Printed in U.S.A.
Dimensions — Weights
A
B
1
Résumé du contenu
Page 1 - Series 911
For Residential and Commercial ApplicationsES-911Job Name –––––––––––––––––––––––––––––––––––––––––––Contractor ––––––––––––––––––––––––––––––––––––
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