E-81-07_5, Dimensions, Materials – Cla-Val 81-07/681-07 User Manual
Page 3: Pressure ratings
EE
D
E
Inlet
DD
AA
X
100-20
Flanged
F
A
C
(MAX)
K
J
H
Inlet
Outlet
FF
B
(Diameter)
Dimensions
(In inches)
Model 681-07
(Uses Basic Valve Model 100-20)
Model 681-07 Dimensions
(In Inches)
Component
Standard Material Combinations
Body & Cover
Ductile Iron
Cast Steel
Bronze
Available Sizes
3" - 30"
3" - 16"
3" - 16"
Disc Retainer &
Diaphragm Washer
Cast Iron
Cast Steel
Bronze
Trim: Disc Guide,
Seat & Cover Bearing
Bronze is Standard
Stainless Steel is Optional
Disc
Buna-N
®
Rubber
Diaphragm
Nylon Reinforced Buna-N
®
Rubber
Stem, Nut & Spring
Stainless Steel
For material options not listed, consult factory.
Cla-Val manufactures valves in more than 50 different alloys.
Materials
Y
Z
Pressure Ratings
(Recommended Maximum Pressure - psi)
Valve Body & Cover
Pressure Class
Flanged
Grade
Material
ANSI
Standards*
150
Class
300
Class
ASTM A536
Ductile Iron
B16.42
250
400
ASTM A216-WCB
Cast Steel
B16.5
285
400
ASTM B62
Bronze
B16.24
225
400
Note:
* ANSI standards are for flange dimensions only.
Flanged valves are available faced but not drilled.
Valves for higher pressure are available; consult factory for details
*Consult Factory
Valve Size
(Inches)
3
4
6
8
10
12
14
16
18
20
24
30
A 150 ANSI
10.25
13.88
17.75
21.38
26.00
30.00
34.25
35.00
42.12
48.00
48.00
63.25
AA 300 ANSI
11.00
14.50
18.62
22.38
27.38
31.50
35.75
36.62
43.63
49.62
49.75
63.75
B Dia.
6.62
9.12
11.50
15.75
20.00
23.62
27.47
28.00
35.44
35.44
35.44
53.19
C Max.
7.00
8.62
11.62
15.00
17.88
21.00
20.88
25.75
25.00
31.00
31.00
43.94
D 150 ANSI
—
6.94
8.88
10.69
CF*
CF*
CF*
CF*
CF*
CF*
CF*
—
DD 300 ANSI
—
7.25
9.38
11.19
CF*
CF*
CF*
CF*
CF*
CF*
CF*
—
E 150 ANSI
—
5.50
6.75
7.25
CF*
CF*
CF*
CF*
CF*
CF*
CF*
—
EE 300 ANSI
—
5.81
7.25
7.75
CF*
CF*
CF*
CF*
CF*
CF*
CF*
—
F 150 ANSI
3.75
4.50
5.50
6.75
8.00
9.50
11.00
11.75
15.88
14.56
17.00
19.88
FF 300 ANSI
4.12
5.00
6.25
7.50
8.75
10.25
11.50
12.75
15.88
16.06
19.00
22.00
H NPT Body Tapping
.375
.50
.75
.75
1
1
1
1
1
1
1
1
J NPT Cover Center Plug
.50
.50
.75
.75
1
1
1.25
1.25
2
2
2
2
K NPT Cover Tapping
.375
.50
.75
.75
1
1
1
1
1
1
1
1
Stem Travel
0.6
0.8
1.1
1.7
2.3
2.8
3.4
3.4
4.5
4.5
4.5
6.5
Approx. Ship Wt. Lbs.
45
85
195
330
625
900
1250
1380
1500
2551
2733
6500
X Pilot System
13
15
27
30
33
36
36
41
40
46
55
68
Y Pilot System
10
11
18
20
22
24
26
26
30
30
30
39
Z Pilot System
10
11
18
20
22
24
26
26
30
30
30
39