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Type Y692
Specifications
The Specifications section lists specifications for Type Y692 Gas Blanketing Regulator. Specifications for a
given regulator as it originally comes from the factory are stamped on the spring case nameplate.
Available Configurations
Direct-operated pressure reducing regulator with
external or internal pressure registration with
seven outlet (control) pressure ranges from
1 in. w.c. to 7 psig / 2 mbar to 0.48 bar.
Available in NPS 1-1/2 and 2 / DN 40 and 50
body sizes.
Body Sizes and End connection Styles
cast iron: NPS 1-1/2 / DN 40, NPT
NPS 2 / DN 50, NPT or CL125 FF
Steel: NPS 1-1/2 or 2 / DN 40 or 50, NPT, SWE,
CL150 RF, CL300 RF or PN 16/25/40
Stainless Steel: NPS 1-1/2 or 2 / DN 40 or 50, NPT,
CL150 RF, CL300 RF or PN 16/25/40
Maximum allowable inlet Pressure
150 psig / 10.3 bar or body rating limit
Maximum control (casing) Pressure
15 psig / 1.0 bar
control Pressure Ranges
See Table 1
Orifices Sizes and Flow Coefficients
See Table 2
1. The pressure/temperature limits in this Instruction Manual and any applicable standard limitation should not be exceeded.
conTRoL PRESSuRE RanGES WiTh
caSE BaRREL PoinTED DoWn
Type
psig
1 to 3 in. w.c.
(2)(3)
3 to 11 in. w.c.
(2)(4)
Light Spring
6.5 in. w.c. to 1.2 psig
Assembly
0.7 to 2
1 to 3.2
Heavy spring
2 to 5.5
Assembly
4 to 7
1. Install with spring case pointing down to achieve low setpoints in these spring ranges.
2. Do not use Fluorocarbon (FKM) diaphragm with these springs at diaphragm temperature lower than 60°F / 16°C.
3. Installation with spring case pointing up will change outlet (control) pressure range to 3 to 5 in. w.c. / 7 to 12 mbar.
4. Installation with spring case pointing up will change outlet (control) pressure range to 5.75 to 14 in. w.c. / 14 to 35 mbar.
5. Installation with spring case pointing up will change outlet (control) pressure range to 7.5 in. w.c. to 1.3 psig / 19 to 90 mbar.
BoDY SizE
nPS
Dn
1-1/2 and 2
40 and 50
X
T
0.775
2
(1)(2)
(1)
(1)
(1)
Table 1. Control Pressure Ranges
conTRoL SPRinG
coLoR coDE
bar
2 to 7 mbar
(2)(3)
7 to 27 mbar
(2)(4)
16 mbar to 0.08 bar
(5)
(5)
0.05 to 0.14
0.07 to 0.22
0.14 to 0.38
Metallic with green stripe
0.28 to 0.48
Metallic (silver)
Table 2. Orifice Sizes and Flow Coefficients
oRiFicE SizE
in.
mm
1/4
6.4
3/8
9.5
1/2
13
3/4
19
1
25
1-3/16
30
Table 3. IEC Sizing Coefficients
IEC Sizing Coefficients
See Table 3
Pressure Registration
Internal (standard) or External
Maximum operating control Pressure to avoid
internal Part Damage
3 psig / 0.21 bar above control pressure setting
Temperature capabilities
nitrile (nBR): -20 to 180°F / -29 to 82°C
Fluorocarbon (FKM): 0 to 300°F / -18 to 149°C
Ethylenepropylene (EPDM): -20 to 275°F /
-29 to 135°C
Perfluoroelastomer (FFKM): -20 to 300°F /
-29 to 149°C
Spring case connection
1/4 NPT
approximate Weights
cast iron Body: 45 lbs / 20 kg
Steel/Stainless Steel Body: 57 lbs / 26 kg
conTRoL SPRinG
PaRT nuMBER
Brown
1D892527022
Iridite
0B019727052
Green
0B019427052
Blue
0B019627032
Orange
0A081127202
0Y066427022
1H802427032
WiDE-oPEn c
WiDE-oPEn c
V
1.51
3.14
5.43
11.9
20
26
F
D
0.50
(1)
(1)
SPRinG WiRE
SPRinG FREE
DiaMETER
in.
mm
in.
0.109
2.77
6.12
0.148
3.76
6.00
0.187
4.75
6.00
0.225
5.71
6.00
0.250
6.35
6.00
0.363
9.22
6.00
0.406
10.3
6.00
g
53.0
111.0
190.0
415.0
700.0
910.0
F
L
0.89
LEnGTh
mm
155
152
152
152
152
152
152
c
1
35
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