Valve seat rating materials dimensions — weights, Pressure drop vs. flow valve torque rating – Watts B6081 User Manual
Page 2
A
C
D
L
Valve Seat Rating
Materials
Dimensions — Weights
A
B
C
D
K
J
H
I
H
E
G
F
A Handle Nut
Zinc Plated Carbon Steel
B Handle
Zinc Plated Carbon Steel
with Vinyl Insulator
C Packing Nut
Brass ASTM B16, C36000
D Stem Packing PTFE
E Thrust Washer PTFE
F Stem
Brass ASTM B16, C36000
G Body
Bronze ASTM B584, C84400
H Seats
Virgin PTFE
I Ball
Chrome Plated Brass
J Adapter
Brass ASTM B16, C36000
K Body Seal
PTFE (1
1
⁄
4
" – 2")
SIzE (Dn)
OpErAtInG tOrquE
in.
mm
in.– lbs.
N-m
Cv
1
⁄
2
15
60
6.8
15
3
⁄
4
20
150
16.95
30
1
25
200
22.60
60
1
1
⁄
4
32
250
28.25
110
1
1
⁄
2
40
320
36.16
130
2
50
500
56.50
360
bar psi
41.3 600
34.5 500
27.6 400
20.7 300
13.8 200
6.9 100
3.4 50
0
0
0
100
200
300
400
450
°F
-18
38
93
149
204
232
°C
pr
es
su
re
temperature
pr
es
su
re
D
ro
p
Flow
Pressure Drop vs. Flow
Valve Torque Rating
bar psi
69 10
53
8
41
6
28
4
21
3
14
2
7
1
6 .8
4 .6
3 .4
2 .3
1 .2
.7 .1
SIzE (Dn)
DImEnSIOnS
wEIGHtS
A
A
C
D
L
L
Ball Orifice
(B6080)
(B6081)
(B6080)
(B6081)
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
lbs.
kgs.
1
⁄
2
15
1
⁄
2
13
4
25
⁄
32
121
4
7
⁄
8
124
1
5
⁄
8
41
7
⁄
8
22
2
9
⁄
32
58
2
9
⁄
16
65
0.6
0.3
3
⁄
4
20
3
⁄
4
19
5
127
5
5
⁄
16
135
1
3
⁄
4
45
1
25
2
13
⁄
16
71
2
13
⁄
16
71
1.0
0.5
1
25
1
25
5
7
⁄
16
138
5
11
⁄
16
145
2
51
1
1
⁄
4
32
3
9
⁄
16
91
3
7
⁄
8
98
1.8
0.8
1
1
⁄
4
32
1
1
⁄
4
32
7
9
⁄
16
192
7
9
⁄
16
192
2
7
⁄
8
73
1
1
⁄
2
38
4
1
⁄
8
105
4
5
⁄
16
110
4.0
1.8
1
1
⁄
2
40
1
1
⁄
2
38
7
11
⁄
16
195
7
7
⁄
8
200
3
76
1
5
⁄
8
41
4
7
⁄
16
113
4
3
⁄
4
121
5.5
2.5
2
50
2
51
10
11
⁄
16
272
11
279
4
102
2
51
5
3
⁄
8
137
6
152
10.0
4.5
gpm
lpm
2000
7600
1000
3800
800
3040
600
2280
400
1520
300
1140
200
760
100
380
80
304
60
228
40
152
30
114
20
76
10
38
8
30.4
6
22.8
4
15.2
3
11.4
2
7.6
1
3.8
1
⁄
2
"
3
⁄
4
"
1" 1
1
⁄
4
" 1
1
⁄
2
"
2"
ES-B6080 1038
© 2010 Watts
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