Watts HWA User Manual
Series hwa, Hot water angle valves, For heating applications
Materials
Body: Bronze ASTM B584 C84400
Bonnet: Bronze ASTM B584 C84400
Stem: Brass ASTM B16 C36000
Disc:
1
/
2
" –
3
/
4
" (15 – 20mm) Brass ASTM B16 C36000
1" – 1
1
/
4
" (25 – 32mm) Rubber NBR
Disc Holder: Bronze ASTM B584 C84400
Packing Nut: Brass ASTM B16
Packing: Teflon
®
Handle: Plastic
Screw: Steel AISI 1020
Union Nut: Bronze ASTM B584 C84400
Tailpiece: Forged Brass ASTM B124 C37700
Series HWA
Hot Water Angle Valves
Sizes:
1
/
2
" – 1
1
/
4
" (15 – 32mm)
Features
• Threaded x male union or sweat x male union
• Constructed of heavy duty bronze
• Rising stem
• Screwed-in bonnet
• Teflon
®
stem packing
• Bronze disc
• For use on gravity (hot water) heating systems only
Pressure – Temperature
Working Pressure Non-Shock
Hot Water 60psi
Dimensions – Weights
For Heating Applications
ES-HWA
Job Name –––––––––––––––––––––––––––––––––––––––––––
Contractor ––––––––––––––––––––––––––––––––––––––––––––
Job Location –––––––––––––––––––––––––––––––––––––––––
Approval –––––––––––––––––––––––––––––––––––––––––––––
Engineer –––––––––––––––––––––––––––––––––––––––––––––
Contractor’s P.O. No. –––––––––––––––––––––––––––––––––––
Approval –––––––––––––––––––––––––––––––––––––––––––––
Representative ––––––––––––––––––––––––––––––––––––––––
HWA
MODEL
SIZE (DN)
DIMENSIONS
WEIGHT
A
B
C
D
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
lbs
kgs.
TxTMU
1
/
2
15
2
3
/
8
60
2
7
/
8
73
1
1
/
4
31
2
5
/
16
59
.73
.33
TxTMU
3
/
4
20
2
7
/
16
62
2
15
/
16
74
1
1
/
8
29
2
5
/
16
59
.88
.40
TxTMU
1
25
2
7
/
8
72
3
5
/
8
92
1
1
/
4
32
2
5
/
16
59
1.54
.70
TxTMU
1
1
/
4
32
3
1
/
4
82
3
13
/
16
97
1
7
/
16
36
2
5
/
16
59
2.12
.96
CxTMU
1
/
2
40
2
1
/
8
54
2
13
/
16
72
1
25
2
5
/
16
59
.68
.31
CxTMU
3
/
4
20
2
3
/
8
60
2
7
/
8
73
1
1
/
4
31
2
5
/
16
59
.84
.38
Teflon
®
is a registered trademark of the E.I. Dupont de Nemours & Company, Incorporated.
A
B
D
C
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.
ES-HWA 0323
© Watts Regulator Company, 2003
Printed in U.S.A.
USA: 815 Chestnut St., No. Andover, MA 01845-6098;www.wattsreg.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7;www.wattscanada.com