4
R96
Q
f
0
284 1078 2247 3567 6845 280 1088 2266 3696 7010 13,026
1 210 908 1684 2969 5464 218 829 1698 2902 5804 - - - -
2 126 671 1058 1763 3685 128 607 1066 1784 3670 7010
3 79 385 685 1062 2088 81 370 690 1072 2098 4051
C
g
0
550 2092 4359 6920 13,280 544 2110 4396 7170 13,600 25,270
1 408 1762 3266 5760 10,600 423 1609 3294 5630 11,260 - - - -
2 245 1301 2052 3420 7150 249 1177 2069 3460 7120 13,600
3 154 746 1328 2060 4050 157 718 1339 2080 4070 7860
C
1
0
31.3 38.3 30.8 32.5 32.8 35.5 33.5 30.8 31.4 31.4 35
1 34.3 35.3 33.9 35.3 35.0 38.7 31.9 33.9 34.2 35.9 - - - -
2 33.6 38.8 37.8 37.3 38.8 39.7 35.6 37.8 36.3 39.6 36.4
3 32.1 40.8 33.6 37.1 39.7 39.1 38.2 33.6 37.3 30.8 38.3
Q
f
0 223 781 1693 2742 6103 255 793 1708 2789 6397 10,088
1 215 764 1418 2479 4974 209 716 1172 2438 5304 - - - -
2 140 603 975 1644 3495 127 566 984 1711 3449 6624
3 87 370 685 1041 2036 81 358 690 1057 2072 3892
C
g
0 433 1516 3285 5320 11,840 495 1539 3313 5410 12,410 19,570
1 417 1482 2751 4810 9650 406 1389 2774 4730 10,290 - - - -
2 273 1169 1892 3190 6780 247 1099 1908 3320 7080 12,850
3 168 718 1328 2020 3950 158 695 1339 2050 4020 7550
C
1
0 35.5 37 30.8 31.7 34.0 33.8 33.5 30.8 30.4 33.3 32.8
1 35.4 37.5 33.6 34.1 35.0 39.4 34.1 33.6 32.4 35.1 - - - -
2 32.3 39.5 37.1 36.4 37.6 39.9 35.7 37.1 35.7 37.1 39.3
3 32.9 39.4 38.3 37.6 39.6 39.9 37.7 38.3 37.3 39.6 39.6
Types EZH and EZHSO
Europe, Middle East and Africa Only
Table 4. Failure Mode Analysis
PART NAME
FAILURE
(WORST CASE)
CAUSE OF FAILURE EFFECT REGULATOR TYPE REGULATOR REACTION MODE
Filter Filter blocked/ clogged
Debris or aromatics
present in the gas
Decrease of feeding
pressure gives decrease
of motorization pressure
EZHSO Open - - - -
EZH - - - - Close
Pilot Disk Pilot cannot be closed
Debris or aromatics
present in the gas
Increase motorization
pressure
EZHSO Open - - - -
EZH Open - - - -
Pilot Lower
Diaphragm
Pilot cannot control
Debris or aromatics
present in the gas
Decrease motorization
pressure
EZHSO Open - - - -
EZH - - - - Close
Pilot Upper
Diaphragm
Pilot cannot feed
the regulator
Debris or aromatics
present in the gas
Decrease motorization
pressure
EZHSO Open - - - -
EZH - - - - Close
Regulator
Diaphragm
Not proper
performance of
the motorization
pressure chamber
Debris or aromatics
present in the gas
Balancing of pressures
and charge or discharge
of the motorization
pressure chamber
EZHSO Open - - - -
EZH - - - - Close
Pilot
Frozen Pilot,
Type SA/2 working
Moisture in the gas,
high pressure drop
Type SA/2 loading upper
casing of regulator, Pilot
not supplying loading
pressure to lower casing
EZHSO - - - - Close
EZH - - - - Close
Table 3b. 2:1 Line Flow Coefcients, Regulator with Integrated Whisper III Silencer
TYPES EZH WITH WHISPER III AND EZHSO WITH WHISPER III
REDUCTION
SLAM SHUT INTEGRATED (X BODY) WITHOUT SLAM SHUT (E BODY)
DN 25 DN 50 DN 80 DN 100 DN 150 DN 25 DN 50 DN 80 DN 100 DN 150 DN 200
Table 3a. 2:1 Line Flow Coefcients, Regulator and Slam-Shut Travel
TYPES EZH AND EZHSO
REDUCTION
WITH SLAM SHUT (X BODY) WITHOUT SLAM SHUT (E BODY)
DN
25 DN 50 DN 80 DN 100 DN 150 DN 25 DN 50 DN 80 DN 100 DN 150 DN 200
R96B
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