阀内件材料 Trim Material、最大允许执行器推力 Maximum Allowable Acturor Thrust
. Product Bulletin
easy-e Cryogenic Valves 51.1:easy-e Cryogenic
D102189X012 August 2012
Table 1. Fisher ET-C and EWT-C Typical Trim Material(1)
Trim Designation Valve Plug Valve Stem Cage Seat Ring
531600 SST with CoCr-A (Alloy 6)
429 hard-faced seat
520910 Chrome-plated $31600 SST $31600 SST
430 S31600 SST 520910 Chrome-plated S31600 SST $31600 SST/CTFE
531600 SST with CoCr-A (Alloy 6)
下 hard-faced seatand guide
S20910 Chrome-plated S31600 SST S31600SST
1. Whisper Trim IIl requires use of Trim 431.
2. Soft seat construction.
Table 2. Fisher EZ-C Typical Combinations of Metal Trim Parts for Equal Percentage (Including Micro-Form), Linear,
and Quick-Opening Valve Plugs
Trim Designation Valve Plug Valve Stem Seat Ring Seat Ring Retainer Guide Bushing
$31600 SST with
327 CoCr-A (Alloy 6)
hard-faced Seatand
Guide (sxzh(fln?sgo) 531600 cF8M R30006
$31600 SST with
328 CoCr-A (Alloy 6)
hard-faced Seat
Table 3. Maximum Allowable Actuator Thrust for Standard Bonnet Extension Length
MAXIMUM ALLOWABLE STEM LOAD
VALVE VALVE SIZE, NPS SJRAMETER FOQ)é20;j1O (XIV(I?19) STEM MATS(IAL
mm Inches N Lb
12.7 12 15,301 3440
3 19.1 3/4 45,459 10,220
12.7 12 16,458 3700
T 19.1 3/4 46,971 10,560
EFGand EWTC 19.1 34 36,385 8180
6, RE12%6 254 1 81,487 18,320
19.1 3/4 41,366 9300
8,10%8 254 1 87,003 19,560
9.5 3/8 5382 1210
1 12.7 12 13,166 2960
95 318 5338 1200
112 127 112 13,166 2960
12.7 12 14,367 3230
EZ-C 2
19.1 3/4 44,169 9930
12.7 12 15,301 3440
2 19.1 3/4 45,459 10,220
127 12 16,458 3700
4 19.1 3/4 46,971 10,560