Data Sheet

easy-e Cryogenic Valves
D102189X012
Product Bulletin
51.1:easy-e Cryogenic
August 2012
8
Table 4. Fisher ET-C and EWT-C Port Diameters, Valve Plug Travel, Stem and Yoke Diameters
VALVE SIZE, NPS
PORT
DIAMETER
MAXIMUM
VALVE PLUG
TRAVEL
VALVE STEM AND YOKE BOSS
DIAMETERS
Standard Optional
ET-C EWT-C Stem Yoke Boss Stem Yoke Boss
mm
3 --- 87.3 38.1
12.7 71 19.1 90
4 6X4, 8X4 111.1 50.8
6 8X6, 12X6 177.8 50.2
19.1 90.5 25.4 127.0
8 10X8 203.2 76.2
Inches
3 --- 3.4375 1.5
1/2 2-13/16 3/4 3-9/16
4 6X4, 8X4 4.375 2
6 8X6, 12X6 7 2
3/4 3-9/16 1 5
8 10X8 8 3
Table 5. Fisher EZ-C Port Diameters, Valve Plug Travel, and Stem and Yoke Diameters
VALVE
SIZE, NPS
PORT DIAMETER, INCHES
MAXIMUM
PLUG
TRAVEL
VALVE STEM AND YOKE BOSS
DIAMETERS
Standard Optional
EZ-C Equal Percentage
(1)
Quick Opening Linear Stem Yoke Boss Stem Yoke Boss
mm
1 6.4, 9.5, 12.7, 19.1, and 25.4 25.4 25.4
19 9.5 54 12.7 71
1-1/2 6.4, 9.5, 12.7, 19.1, 25.4, and 38.1 38.1 38.1
2 6.4, 9.5, 12.7, 19.1, 25.4, and 50.8 50.8 50.8 29
12.7 71 19.1 90
3 50.8 and 76.2 76.2 76.2 38
4 50.8 and 101.6 101.6 101.6 51
Inches
1 0.25, 0.375, 0.5, 0.75, and 1 1 1
0.75 3/8 2-1/8 1/2 2-13/16
1-1/2 0.25, 0.375, 0.5, 0.75, 1, and 1.5 1.5 1.5
2 0.25, 0.375, 0.5, 0.75, 1, and 2 2 2 1.125
1/2 2-13/16 3/4 3-9/16
3 2and3 3 3 1.5
4 2and4 4 4 2
1. 6.4 through 19.1 mm (0.25 through 0.75 inch) port diameters use Micro-Form valve plugs.
Table 6. Bolting Materials
VALVE
BODY-BONNET BOLTING
Studs Nuts
ET-C,EWT-C,andEZ-C
SA-193-B8M
(1)
Strain Hardened SA-194-8M
(1)
S20910 (XM-19)
SA-194-8M
SA-194-8MA
1. Standard stud and nut combination.