尺寸
Product Bulletin
51.1:easy-e Cryogenic
August 2012
easy-e Cryogenic Valves
D102189X012
Table 4. Fisher ET-C and EWT-C Port Diameters, Valve Plug Travel, Stem and Yoke Diameters
VALVE STEM AND YOKE BOSS
VALVE SIZE, NPS PORT \'I‘:*L\:,‘g‘gfi';"c DIAMETERS
DIAMETER TRAVEL Standard Optional
ET-C EWT-C Stem Yoke Boss Stem Yoke Boss
mm
3 i 87.3 38.1
4 6X4, 8X4 111.1 50.8 127 7 184 20
6 8X6, 12X6 177.8 50.2
. S 5 = 19.1 90.5 25.4 127.0
Inches
3 — 3.4375 15
7 X550 2375 5 12 2-13/16 3/4 3-9/16
6 8X6, 12X6 7 2
3 0% 5 3 3/4 3-9/16 1 5
Table 5. Fisher EZ-C Port Diameters, Valve Plug Travel, and Stem and Yoke Diameters
VALVE STEM AND YOKE BOSS
bl PORT DIAMETER, INCHES MAXIMUM DIAMETERS
SIZE, NPS PLUG =
TRAVEL Standard Optional
EZ-C Equal Percentage(T) 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
112 6.4,9.5,12.7,19.1,25.4,and 38.1 38.1 38.1 19 ?5 4 127 n
2 6.4,9.5,12.7,19.1,25.4,and 50.8 50.8 50.8 29
3 50.8and 76.2 76.2 76.2 38 127 71 19.1 90
4 50.8and 101.6 101.6 101.6 51
Inches
1 0.25,0.375,0.5,0.75,and 1 1 1
1-1)2 0.25,0.375,0.5,0.75,1,and 1.5 1.5 1.5 073 3/ =18 142 21308
2 0.25,0.375,0.5,0.75, 1,and 2 2 2 1.125
3 2and3 3 3 1.5 12 2-13/16 314 3-9/16
4 2and4 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
BODY-BONNET BOLTING
VALVE Studs Nuts
SA-193-B8M(1) Strain Hardened SA-194-8M(1)
ET-C, EWT-C, and EZ-C ST SA-194-8M
SA-194-8MA
1. Standard stud and nut combination.
