Emerson Fisher EZR series - Characteristics

Material
Regulator
Body Steel
Bonnet Steel
Slotted disc Stainless steel
Diaphragm, O-rings Nitrile (NBR)
Slam shut
Connecting part Steel
Orice Stainless steel
Valve plug Stainless steel
Pilot
Body Stainless steel
Manometric box Stainless steel or Aluminium
Restrictor Stainless steel
Filter Aluminium
Cartridge Polythene
Coefcients Capacity DN 25 DN 50 DN 80 DN 100 DN 150
C
g
100% 480 1800 3400 5550 11200
60% 290 1020 1970 3300 7150
30% 140 560 970 1690 3570
C
1
100% 33 36 37 38 36
60% 29 28 29 27 30
30% 30 29 26 26 26
Valve plug travel (mm) 35 35 50 50 50
Table 3. Flow Coefcients and Valve Plug Travel Information
B05a
BMP Size 1 2 3 4 5 6 7 8
Spring Colour White Yellow Black Green Blue Red Blue Red
Spring Range
(bar)
0.5 1.0 2.8 5.2 9.7 13.8 24.1 31.0
1.0 2.8 5.2 9.7 13.8 24.1 31.0 48.3
B05b
Table 4. Pilot Pressure Ranges
Connections
Inlet / Outlet: ISO PN 100 B (ANSI 600 RF)
ISO PN 50 B (ANSI 300 RF)
ISO PN 20 B (ANSI 150 RF)
Other possibilities exist (contact factory)
ISO PN 16 B, 25 B, 40 B
Pilot Impulse line (IP): 1/4’’ NPT tapped
Pilot Monitor impulse line (IM): 1/4’’ NPT tapped
Intermediate impulse line (PI): 1/4’’ NPT tapped
Slam shut impulse line (IS): 1/4’’ NPT tapped
Mechanism box vent (E): 1/4’’ NPT tapped
Impulse diameter: Pipe interior Ø 8/10mm min.
Operating pressure PS 72.4 bar
(1)
SLAM SHUT
Operating temperature TS -17 / 66°C
(1)
Accuracy AG
2.5
REGULATOR 5 (Piston)
Outlet pressure Pa 0.5 to 48.3 bar Set point range Pt up to 100 bar
Minimum differential ∆P min 2 to 3 bar PILOT
Maximum operating differential
PN 20
∆P max
18.6 bar
Type of pilot
Standard 161EB
PN 50 50.0 bar Monitor 161EBM
PN 100 55.2 bar Manometric box PS BMP 52 bar
Max emergency differential ∆P emerg 72.4 bar
Fluid
Groups 1 and 2 according to PED 97/23/EC 1
st
and 2
nd
family gas according
to EN 437 or other gases (compressed air, nitrogen). The gas must be
noncorrosive, clean (ltration on inlet side necessary) and dry.
Accuracy AC 2.5 - 5
1. Values correspond to the characteristics of the regulator diaphragm.
Table 1. General Characteristics for Type EZR Regulator
B05c
Body P
max
(bar) T
min
(°C) T
max
(°C)
A216WCB 96.7 -20 71
A352LCC 100 -30 71
The regulator body and the slam shut have been designed to support different pressure and temperature levels
Table 2. Pressure and Temperature Characteristics
CHARACTERISTICS
Type EZR
2
Europe, Middle East and Africa Only