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11-4SN (G 3/8, 1/2)
features
  • Shavo's Filter / Regulator combination unit offers extremely precise control
  • Unique valve design and large ratio of diaphragm to valve area affords highly sensitive performance
  • Specially designed to meet instrumentation requirements
  • CE, ATEX, EAC Ex (CUTR 12), EAC(CUTR 10) approved
  • SIL3 capable as per IEC 61508
MODEL 11-4SN
Parameters Specifications
Fluid Compressed Air
Pipe Sizes 3/8”, 1/2”
Port Thread BSPT - Standard
NPT, BSP - Optional
Max. Inlet Pressure 17.5 bar (250 psi) - Aluminium
Max. Operating Temperature (Ambient) +80°C
Filter Element Size 25 micron - Standard
5, 40 micron - Optional
Filter Element Material Sintered Bronz - Standard
Stainless Steel - Optional
Material of Construction (Aluminium)
Body, Bonnet, Bowl
Internal Parts
External Parts
Aluminium Alloy die-cast
Aluminium, SS304, SS316L, Acetal resin, Nylon, Brass
SS 316L
Diaphragm Assembly Synthetic Rubber without PTFE - Standard
Elastomers Low Temp. Nitrile (LNBR)-AL ver. -40°C to +80°C
EPDM -35°C to +120°C
Fluorocarbon (Viton-FKM) -20°C to +180°C
Bowl Capacity 50 ml
Regulated secondary pressure ranges 0.07 to 0.70 bar (1-10 psi) - Optional
0.21 to 2.10 bar (3-30 psi) - Optional
0.35 to 3.50 bar (5-50 psi) - Optional
0.50 to 5.0 bar (7-70 psi) - Optional
0.70 to 7.0 bar (10-100 psi) - Standard
Standard Nominal Flow Rate at 10 bar (150psi)inlet pressure 6 bar (87 psi) set pr. and a drop of 1 bar (14.5 psi) from set 3/8” - 55 scfm (26 dm3/sec)
1/2” - 55 scfm (26 dm3/sec)
CV Value 3/8”, 1/2” - (1.04)
Drain Manual - Standard
Type Relieving - Standard
Non-Relieving - Optional
Pressure Adjustment Hex Head adjusting screw - Standard
Gauge Port (2 nos.) 1/4” BSPT (Fe) - Standard
1/4” NPT (Fe) - Optional
Gauge size (dial size) 50 mm (Nominal) - Standard
Mounting Mounting bracket - Standard
Weight 0.70 Kgs
Pressure Gauge (scale) Kg/cm2 (PSI) - Standard (For Domestic Market)
Bar (PSI) - Standard (Export)

Note:
1) Pressure gauge will not have CE, EAC, SIL3 and NACE MR0175 approval.
2) Pressure gauge will have ATEX approval.
3) PM nut, mounting bracket and Grub screw will not be to NACE specifications.

11-4SNR
Size Flow (dm3/sec) Element(um) Drain Bowl Opration Model
1/2” 55 scfm 5 Manual Metal 10-100 11-4SN-450M-M6KA-ENA
OPTION SELECTOR
 
Sample Model Number
1 1
-
4 S N
-
2 0 0 M
-
M 4 K A
-
E N
-
X X X
-
X X X
   
Position
1 2
-
3 4 5
-
6 7 8 9
-
10 11 12 13
-
14 15
-
16 17 18
-
19 20 21
   
1 2 3 4 5
 
Instrument Filter / Regulator
   
6
Pipe Size
3 = 3/8"
4 = 1/2"
 
7 8
Options
  Relieving Non Relieving
Hex Headed Slotted Screw Hex Headed Slotted Screw
No Gauge 50 60
With Gauge (SS) 52 62
  (Pressure gauge will be ATEX approved)
 
9
Body, Bowl, Bonnet
M = Aluminium Metallic (Body, Bowl, Bonnet)
 
10
Drain
M = Manual Drain
 
11
Filter Element
Plastic
1 = 5 Micron
2 = 25 Micron
3 = 40 Micron
Sintered Bronze
 6 = 5 Micron
7 = 25 Micron
8 = 40 Micron		 S.S.
5 = 5 Micron
9 = 25 Micron
4 = 40 Micron
 
12
Secondary Pressure
Range
A = 0.07 - 0.7 bar (1-10 psi)
C = 0.21 - 2.1 bar (3-30 psi)
E = 0.35 - 3.5 bar (5-50 psi)
F = 0.50 - 5.0 bar (7-70 psi)
K = 0.70 - 7.0 bar (10-100 psi)
 
13
Port Thread
  Main Ports Gauge Ports
A NPT BSPT
B BSPT BSPT
G BSP BSPT
N NPT NPT
 
14
Elastomer Material
[E] = EPDM
[V] = Viton
L = Low. Temp. Nitrile(LNBR)
 
15
Mounting
N = No Mounting Bracket
B = Standard Mounting Bracket
P = 2" Pipe Mounting Bracket
Bracket for ATEX units will be SS316 (brackets used for Aluminium unit)
 
 
16 17 18
Test / Approval
A 0 0 ATEX
A 0 1 UKEX
A 0 2 UKCA
A 0 3 ATEX, UKEX, EAC Ex,UKCA
A 0 4 ATEX, UKEX, EAC Ex
A 0 5 ATEX, UKEX, UKCA
A 0 6 ATEX, UKEX, EAC Ex
B 0 0 ATEX, CE
B 0 1 ATEX, CE, UKEX, EAC Ex, UKCA
B 0 2 ATEX, CE, UKEX, EAC Ex
B 0 3 ATEX, CE , UKEX, UKCA
B 0 4 ATEX, CE, UKCA, EAC Ex
B 0 5 ATEX, CE, EAC Ex
C 0 0 CE
C 0 1 CE, UKEX, EAC Ex, UKCA
C 0 2 CE, UKEX, EAC Ex
C 0 3 CE, UKEX, UKCA
C 0 4 CE, EAC Ex, UKCA
C 0 5 CE, EAC Ex
D 0 0 ATEX, EAC
D 0 1 ATEX, EAC, UKEX, EAC Ex, UKCA
D 0 2 ATEX, EAC, UKEX, EAC Ex
D 0 3 ATEX, EAC, UKEX, UKCA
D 0 4 ATEX, EAC, EAC Ex, UKCA
E 0 0 EAC
E 0 1 EAC, UKEX, EAC Ex, UKCA
E 0 2 EAC, UKEX, EAC Ex
E 0 3 EAC, UKEX, UKCA
E 0 4 EAC, EAC Ex, UKCA
F 0 0 ATEX, SIL3
F 0 1 ATEX, SIL3, UKEX, EAC Ex, UKCA
F 0 2 ATEX, SIL3, UKEX, EAC Ex
F 0 3 ATEX, SIL3, UKEX, UKCA
F 0 4 ATEX, SIL3, EAC Ex, UKCA
F 0 5 ATEX, SIL3, EAC Ex
G 0 0 CE, EAC
G 0 1 CE, EAC, UKEX, EAC Ex, UKCA
G 0 2 CE, EAC, UKEX, EAC Ex
G 0 3 CE, EAC, UKEX, UKCA
G 0 4 CE, EAC, EAC Ex, UKCA
H 0 0 CE, SIL3
H 0 1 CE, SIL3, UKEX, EAC Ex, UKCA
H 0 2 CE, SIL3, UKEX, EAC Ex
H 0 3 CE, SIL3, UKEX, UKCA
H 0 4 CE, SIL3, EAC Ex, UKCA
H 0 5 CE, SIL3, EAC Ex
J 0 0 EAC, SIL3
J 0 1 EAC, SIL3, UKEX, EAC Ex, UKCA
J 0 2 EAC, SIL3, UKEX, EAC Ex
J 0 3 EAC, SIL3, UKEX, UKCA
J 0 4 EAC, SIL3, EAC Ex, UKCA
K 0 0 CE, EAC, SIL3
K 0 1 CE, EAC, SIL3, UKEX, EAC Ex, UKCA
K 0 2 CE, EAC, SIL3, UKEX, UKCA
K 0 3 CE, EAC, SIL3, UKEX, EAC Ex
K 0 4 CE, EAC, SIL3, EAC Ex, UKCA
L 0 0 ATEX, EAC, SIL3
L 0 1 ATEX, EAC, SIL3, UKEX, EAC Ex, UKCA
L 0 2 ATEX, EAC, SIL3, UKEX, EAC Ex
L 0 3 ATEX, EAC, SIL3, UKEX, UKCA
L 0 4 ATEX, EAC, SIL3, EAC Ex, UKCA
M 0 0 ATEX, CE, SIL3
M 0 1 ATEX, CE, SIL3, UKEX, EAC Ex, UKCA
M 0 2 ATEX, CE, SIL3, UKEX, EAC Ex
M 0 3 ATEX, CE, SIL3, UKEX, UKCA
M 0 4 ATEX, CE, SIL3, EAC Ex, UKCA
N 0 0 ATEX, CE, EAC
N 0 1 ATEX, CE, EAC, UKEX, EAC Ex, UKCA
N 0 2 ATEX, CE, EAC, UKEX, EAC Ex
N 0 3 ATEX, CE, EAC, UKEX, UKCA
N 0 4 ATEX, CE, EAC, EAC Ex, UKCA
[O] [0] [0] Other customer special requirement if Any
P 0 0 ATEX, CE, EAC, SIL3
P 0 1 ATEX, CE, EAC, SIL3, UKEX, EAC Ex, UKCA
P 0 2 ATEX, CE, EAC, SIL3, UKEX, EAC Ex
P 0 3 ATEX, CE, EAC, SIL3, UKEX, UKCA
P 0 4 ATEX, CE, EAC, SIL3, EAC Ex, UKCA
Q 0 0 ATEX, EAC Ex
R 0 0 EAC Ex
R 0 1 EAC Ex, UKEX, UKCA
R 0 2 EAC Ex, UKCA
S 0 0 SIL3
S 0 1 SIL3, UKEX, EAC Ex, UKCA
S 0 2 SIL3, UKEX, EAC Ex
S 0 3 SIL3, UKEX, UKCA
S 0 4 SIL3, EAC Ex, UKCA
V 0 0 ATEX, CE, SIL3, EAC Ex
V 0 1 ATEX, CE, SIL3, EAC Ex, UKEX, UKCA
V 0 2 ATEX, CE, SIL3, EAC Ex, UKEX
V 0 3 ATEX, CE, SIL3, EAC Ex, UKCA
X X X STANDARD UNITS WITHOUT ANY CERTIFICATE / APPROVAL
Y 0 0 ATEX, SIL3, EACEx
y 0 1 ATEX, SIL3, EACEx, UKEX, UKCA
Y 0 2 ATEX, SIL3, EAC Ex, UKEX
Y 0 3 ATEX, SIL3, EACEx, UKCA
Z 0 1 CE, SIL3, EAC Ex, UKEX, UKCA
Z 0 2 CE, SIL3, EAC Ex, UKEX
Z 0 3 CE, SIL3, EAC Ex, UKCA
 
19 20 21
Compliance
X X X Standard Unit Wthout any Complinace
A 0 1 RoHS 3 Compliance
A 0 2 REACH Compliance
A 0 3 Copper Free (Only Applicable Aluminium Version)
A 0 4 RoHS3, REACH Compliance
A 0 5 RoHS3, REACH, Copper Free (Only Applicable for Aluminium Version)
A 0 6 RoHS3, Copper Free (Only Applicable for Aluminium Version)
A 0 7 REACH, Copper Free (Only Applicable for Aluminium Version)
   
Note : Option shown in the [ ] bracket are special, Please contact Sales HQ/Manufacturing.
© 2022, Shavo Norgren (India) Pvt. Ltd.
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