NIBCO High-Performance Butterfly Valve User Manual
Page 4
A H E A D O F T H E F L O W
®
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4
®
Revised 8/22/2013
5. Cap Screw Sizing Charts:
LCS-6822 CLASS 150 HPBFVs
*SPECIAL PITCH CAP SCREW THREAD REQUIRED PER MSS SP-68 SPECIFICATIONS
**SHORT SCREWS REQUIRED FOR BLIND TAPPED HOLES NEAREST TO STEM FOR 20” & LARGER SIZE VALVES
Installation, Operation and Maintenance Instructions
NIBCO 6822 and 7822 Series High Performance Butterfly Valves
FLANGE
SPECIFICATION
ASME/ANSI
B16.1 CLASS
125 CAST IRON
ASME/ANSI
B16.5 / B16.47
CLASS 150 STEEL
MSS SP-106
CLASS 125
BRONZE
MSS SP-106
CLASS 150
BRONZE
CAP SCREW LENGTH ALLOWS
FOR 1/16” THICK FLANGE GASKETS
VAL
VE SIZE
VAL
VE BODY
THICKNESS
FLANGE
THICKNESS
RECOMMENDED
CAP SCREW
LENGTH
FLANGE
THICKNESS
RECOMMENDED
CAP SCREW
LENGTH
FLANGE
THICKNESS
RECOMMENDED
CAP SCREW
LENGTH
FLANGE
THICKNESS
RECOMMENDED
CAP SCREW
LENGTH
QTY OF
LONG
CAP
SCREWS REQD
PER V
AL
VE
QTY OF **
SHORT
CAP SCREWS
REQD PER V
AL
VE
CAP
SCREW
SIZE & THREAD
PITCH
2”
1.69
0.62
1.25
0.75
1.50
0.31
1.00
0.50
1.25
8
5/8”-11 UNC
2½”
1.84
0.69
1.50
0.88
1.75
0.31
1.00
0.56
1.25
8
5/8”-11 UNC
3”
1.88
0.75
1.50
0.94
1.75
0.38
1.25
0.62
1.50
8
5/8”-11 UNC
4”
2.12
0.94
1.75
0.94
1.75
0.38
1.25
0.69
1.50
16
5/8”-11 UNC
5”
2.25
0.94
2.00
0.94
2.00
0.38
1.25
0.75
1.75
16
3/4”-10 UNC
6”
2.25
1.00
2.00
1.00
2.00
0.38
1.25
0.81
1.75
16
3/4”-10 UNC
8”
2.50
1.12
2.00
1.12
2.00
0.50
1.50
0.94
2.00
16
3/4”-10 UNC
10”
2.83
1.19
2.25
1.19
2.25
0.56
1.75
1.00
2.25
24
7/8”-9 UNC
12”
3.19
1.25
2.50
1.25
2.50
0.62
1.75
1.06
2.25
24
7/8”-9 UNC
14”
3.62
1.38
3.00
1.38
3.00
24
1”-8 UNC
16”
4.00
1.44
3.00
1.44
3.00
32
1”-8 UNC
18”
4.50
1.56
3.00
1.56
3.00
32
*1-1/8”-8 UN
20”
5.00
1.69
3.50
1.69
3.50
32
*1-1/8”-8 UN
2.75
2.75
8
24”
6.06
1.88
4.00
1.88
4.00
32
*1-1/4”-8 UN
3.00
3.00
8
30"
7.51
2.12
4.50
2.88
5.00
48
*1-1/4”-8 UN
3.50
4.00
8