Cla-Val 581 Series Technical Manual - Manual (Page 3)

E-581 (R-7/03)
ANSI CLASS 125 AND 250
2 1/2
3
4
5
6
8
10
12
14
16
18
20
24
30
36
42
Weight Lbs.
125 250
A B
5-1/2
6
7- 1/4
8-1/2
9-3/4
12-1/2
15-1/2
14-1/4
15-3/4
17-5/8
18-3/4
20-5/8
24
29-1/4
45
50 1
1-3/8
1-3/4
2
2-1/2
3-1/4
4-1/4
Spool
Piece
is
Needed
Size
581
581
581
581
581
581
581
581
581
581
581
581
581
581
581
581
Model
24
29
42
52
73
126
205
306
380
501
724
890
1220
2000
4421
7203
30
36
59
78
103
179
253
401
511
697
959
1180
1680
2375
5511
8663
Silent Globe Check Valve
SERIES 581
Detail No.
1
2
3
4
5
6
Name
Body
Seat
Plug
Spring
Bushing
Screw
NOTE: Sizes 3” to 10” designed to allow bolting a wafer style
butterfly valve directly to the outlet flange without a spool piece.
*
*
*
*
*
*
*
FM Approved
6 2 3 4 5 1
FLANGE DIMENSIONS
CONFORM TO ANSI
STANDARDS.
A
FLOW
BUTTERFLY
DISC
See Note
B
Temp.
Rating
0-150 º F
200 º F
200
190 150
135 400
370
300
2” - 12” 14” - 42” 2” - 12” 14” - 42”
125 LB. CLASS
ANSI BI6.1 FLG. RATINGS
MAXIMUM SERVICE PRESSURE
250 LB. CLASS
280
Test
Pressure
300 230 600 450
Dimensions (In Inches)
Material Description
Cast Iron ASTM A126, Class B
Bronze ASTM B584**
Bronze ASTM B584
Stainless Steel T302 ASTM A313.5
Bronze ASTM B584
Stainless Steel T304 ASTM A276
FM
APPROVED
**Optional Resilient Seat
CLA - VAL
copyright Cla-Val 2003 Printed in USA Specifications subject to change without notice.
P.O. Box 1325 • Newport Beach, CA 92659-0325 • Phone: 949-722-4800 • Fax: 949-548-5441 • E-mail: [email protected] • Website cla-val.com
©
SEATED UNSEATED
S
E
A
T
BODY
DISC
CLOSED DISC
OPEN
BODY
S
E
A
T
INSERT
Optional Seating
Metal to Buna-N