Dimensions/weights available models, Pressure-temperature, Materials – Watts LF719 User Manual
Page 2: Standards, Approvals
Dimensions/Weights
Available Models
Suffix:
S –
bronze strainer
QT –
quarter-turn ball valves
Pressure-Temperature
Operating Pressure: 175psi (12.1 bar)
Operating Temperature Range: 33˚F – 180˚F (0.5˚C – 82˚C)
Materials
Body:
Lead Free* cast copper silicon alloy
Elastomers:
Chloramine resistant silicone and EPDM
Check Seats:
PPO
Disc Holders:
PPO
Standards
AWWA Std C510 compliant
Approvals
Approved by the Foundation for Cross-Connection Control and
Hydraulic Research at the University of Southern California
1015
LF719QT, LF719QT-S
SIZE (DN)
DImENSIoNS
StraINEr
WEIght
A
B
C
D
E(LF)
F
G
H
M
N
719QT 719QT-S
in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm lbs. kgs. lbs. kgs.
1
/
2
15 9
9
/
16
242 3
11
/
16
94 2
15
/
16
73 12
9
/
16
318 5
13
/
16
147 2
7
/
16
62 1
11
/
16
43
3
/
4
19 1
3
/
8
35 2
3
/
4
70 2.8 1.3 3.8 1.7
3
/
4
20 12
1
/
8
307 4
1
/
4
108 3
1
/
2
88 15
7
/
16
393 7
11
/
16
195 3
1
/
8
79 2
1
/
16
52 1
1
/
16
27 1
5
/
8
41 3
3
/
16
81 4.7 2.1 6.4 2.9
1
25 14
13
/
16
376 4
9
/
16
116 3
7
/
8
98 19
1
/
2
495 9
5
/
8
244 3
3
/
4
95 2
7
/
16
62 1
5
/
16
33 2
1
/
8
54 3
3
/
4
95 7.4 3.4 9.4 4.3
1
1
/
4
32 18
15
/
16
480 6
1
/
8
156 5
1
/
8
129 24
1
/
16
610 11
11
/
16
297 4
1
/
4
108 2
5
/
8
67 1
5
/
8
41 2
1
/
2
64 4
7
/
16
113 14.0 6.3 18.0 8.1
1
1
/
2
40 18
15
/
16
480 6
1
/
8
156 5
1
/
8
129 25
1
/
4
640 11
11
/
16
297 4
3
/
4
121 3
1
/
8
79 1
5
/
8
41 3 76 4
7
/
8
124 16.1 7.3 19.9 9.0
2
50 21
3
/
16
538 7
1
/
16
179 5
5
/
8
142 28
15
/
16
735 13
3
/
8
340 5
3
/
8
137 3
7
/
16
87 1
15
/
16
49 3
9
/
16
90 5
15
/
16
151 25.7 11.6 33.4 15.2
a
E
g
h
F
B
C
m
N
D