User Manual

Pressure — Temperature
Maximum Working Pressure: 125psi (862 kPa)
Maximum Operating Temperature: 275°F (135°C)
Typical Mounting
A
C
D**
B
Table 1
Pipe length to achieve laminar flow
SIZE (DN) INLET OUTLET
in mm in mm in mm
3
/4” 20 13
1
/2 343 4
1
/2 114
1” 25 18 457 6 152
1
1
⁄4” 32 22
1
/2 572 7
1
/2 191
MODEL SIZE (DN) DIMENSIONS WEIGHT
A B C D**
in. mm in. mm in. mm in. mm in. mm lbs. kgs.
*AS-B-S
3
/4” 20 5 127 3
7
/16 87 2
5
/16 59 3
5
/16 85 1.7 .77
*AS-B-S 1” 25 6
1
⁄2 165 4
5
⁄16 110 3 76 3
5
/16 85 3.4 1.6
*AS-B-S 1
1
⁄4” 32 6
1
⁄2 165 4
5
⁄16 110 3 76 3
5
/16 85 3.4 1.6
*Supplied with one
1
⁄2” brass pipe plug and
1
⁄2” FV4-M1 Float Vent.
**Dimension for removal of air vent.
Dimensions - Weights
AS-B-S (Sweat)
Watts
Model
1
/2” FV-4M1
Watts
Model SCV*
Watts
Model ET
Expansion Tank*
Watts
Model SCV*
Water feed piping from
Watts Model SB1156
or B911S
Laminar Flow
For most systems the AS-B will provide superior air separation with
minimal inlet/outlet piping length, optimum operation is achieved
with laminar flow, see Table 1 below.
Note: Supplied with Watts Model
1
⁄2” (15mm) FV-4M1 and one
1
⁄2”
(15mm) brass pipe plug.
*Model SCV service check valves and Watts Model ET expansion
tank are not supplied with the AS-B.
ES-AS-B 1044 © 2010 Watts
USA: No. Andover, MA • Tel. [phone] • Fax: [phone] • www.watts.com
Canada: Burlington, ONT. • Tel. [phone] • Fax: [phone] • www.wattscanada.ca
A Watts Water Technologies Company