Page 250 - Mechanical Products Installation Handbook IH-1000M

242 VALVES
Model 308 Grooved End Butterfly Valve
C
(1of2)
JG
Nominal Pipe size
A H
DN
16
400
20
500
Notes:
16.000 23.97 12.22
406,4 608,8 310,4
20.000 27.17 14.22
508,0 690,1 361,2
11.82 23.50
300,2 596,9
11.82 27.50
300,2 698,5
DBE
Nominal Dimensions Inches
mm
ANSI O.D. Inches
Inches mm A B C D
14
350
14.000
355,6
22.13
562,1
10.50
266,7
8.94
227,1
21.00
533,4
18
450
18.000
457,2
24.87
631,7
12.93
328,4
11.82
300,2
25.00
635,0
24
600
24.000
609,6
31.23
793,2
15.34
389,6
13.78
350,0
32.00
812,8
• Maximum Working Pressure:
150 psi (10,3 bar) with 316 Stainless Steel Stem 200 psi (13,8 bar) with 416 Stainless Steel Stem
• Temperature Rating:
Grade EPDM seat material, -30°F to 230°F (-34°C to 110°C), recommended for water service, dilute acids, alkalies, oil-free air and many chemical services. NOT RECOMMENDED FOR USE IN PETROLEUM SERVICES.
Grade “T” Nitrile seat material, -20°F to 180°F (-29°C to 82°C), recommended for petroleum products, air with oil vapors, vegetable oils and mineral oils. NOT RECOMMENDED FOR USE IN HOT WATER SERVICES.
• Refer to Tech Data Sheet G610 for specific recommendations on seat material, or contact GRINNELL Mechanical Products.
• Refer to Technical Data Sheet G320 for additional information.