Page 83 - GRINNELL Mechanical Products Catalogue

vALvES
The Model B8101 Low Profile Butterfly Valve has
a rated working pressure of 1,379 kPa (200 psi) and provides efficient control of fluid in piping systems . Flow can be from either direction and the valve may be positioned
in any orientation . The ductile iron body is epoxy-coated to resist atmospheric corrosion . The disc is EPDM encapsulated ductile iron compatible with a variety of chemicals and temperature ranges .
MATERIAL SPECIFICATIoNS Body
• Ductile iron
Body Coating
• Black epoxy-coated
Disc
• Ductile iron
Disc Seal
• EPDM encapsulated rubber • Optional: Nitrile
Stem
• Two-piece stainless steel, splined
Stem Seal
• O-rings, upper and lower stem
Handle
Tech Data Sheet: G330
Model B8101 Low Profile Butterfly Valves
A
B
C
F
D
• Carbon steel zinc-plated E Performance
• Pressure Drop, contact GRINNELL Mechanical Products.
2 2.375 3.39
2-1⁄2 2.875 3.78
3 3.500 3.78
4 4.500 4.53
6 6.625 5.20
5.98 0.98 1.81 1.97
5.98 0.98 2.05 2.40
8.27 0.98 2.56 2.64
8.27 0.98 3.27 3.27
12.01 1.26 4.29 4.29
3.15 3.58 4.21 4.84 6.85
Pipe Size
Dimensions - mm Inches
Nominal mm Inches
O.D. mm Inches
A
B
C
D
E
F
50
60.3
86.0
152.0
25.0
46.0
50.0
80.0
65
73.0
96.0
152.0
25.0
52.0
61.0
91.0
80
88.9
96.0
210.0
25.0
65.0
67.0
107.0
100
114.3
115.0
210.0
25.0
83.0
83.0
123.0
150
168.3
132.0
305.0
32.0
109.0
109.0
174.0
For information on larger sizes, contact GRINNELL Mechanical Products.
Refer to back cover for country-specific customer care numbers.
83
ValVes