Stainless Steel - (37) (G 1/2 , G 3/4)
features
  • 'Shavo's' Pressure Regulator Model SR37 is designed as a highperformance product for instrument air use in corrosive atmospheres
  • Applications include marine environments, oil and gas production, chemicals and food processing, medical analysis etc.
  • SIL 3 capable as per IEC 61508
  • CE, EAC[CU TR10(equivalent to GOST R&K)] approved
  • External Metallic parts meet NACE standard MR-01 75*

(*National Association of Corrosion Engineers MR-01 75 defines requirements for sulphide stress cracking resistant materials used in oilwells and other corrosive environments.)
MODEL SR37
Parameters Specifications
Fluid Compressed Air
Pipe Sizes 1/2”, 3/4"
Port Thread NPT - Standard
BSPT, BSP - Optional
Max. Inlet Pressure 30 bar (435 psi)
Max. Operating Temp. (Ambient) +80°C
Material of Construction Stainless Steel as per AISI 316L
Body, Bonnet
Internal Parts:
External Parts:
SS 316L with NACE compliance (MR 0175)
SS 316L
SS 316L with NACE compliance (MR 0175)
Diaphragm Assembly Synthetic Rubber without PTFE - Standard
Elastomers Low Temp. Nitrile (LNBR)  - 60°C to +80°C
EPDM - 35°C to +120°C
Fluorocarbon (Viton-FKM) - 20°c to +180°C
Nitrile (NBR) - 20°c to +80°C
Standard Nominal Flow Rate at 10 bar (150 psi) inlet pressure 6 bar (87 psi) set pr. and a drop of 1 bar (14.5 psi) from set
1/2” - 285 scfm (136 dm3/sec)
3/4” - 327 scfm (156 dm3/sec)
CV Value 1/2” - (5.39)
3/4” - (6.17)
Type Relieving - Standard
Non Relieving - Optional
Pressure Adjustment Hex Headed Adjusting screw - Standard
‘T’ Handle - Optional
Regulated secondary pressure ranges 1.00 - 10.0 bar (15 - 150 psi) - Standard
0.21 to 2.10 bar (3.0 - 30 psi) - Standard
0.40 - 4.0 bar (6.0 - 60 psi) - Optional
0.86. - 8.6 bar (12.5 - 125 psi) - Optional
1.70 - 17.5 bar (25 - 250 psi) - Optional
Gauge Port (2 nos.) 1/4” BSPT (Fe) - Standard
1/4” NPT (Fe) - Optional
Gauge size (dial size) 50 mm (Nominal)
Mounting P.M. NUT - Standard
Wall Mounting Bracket - Optional
Weight 1.80 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 MR 0175 approval.
2) PM nut, mounting bracket, grub screw will not have NACE MR 0175 approval.
Size Flow (scfm) Range (psi) Operation Model
1/2” NPT 285 scfm (136 dm3/sec) 0 - 8.75 psi Relieving SR37-401-RNLN-NHE
3/4" NPT 327 scfm (156 dm3/sec)
0 - 8.75 psi Relieving SR37-601-RNLN-NHE


OPTION SELECTOR
 
Sample Model Number
S R 3 7
-
4 0 0
-
R G L A
-
N T
-
X X X
-
X X X
   
Position
0 1 2 3
-
4 5 6
-
7 8 9 10
-
11 12
-
13 14 15
-
16 17 18
   
0
   
S = Shavo
   
1
Product
R = Regulator
 
2 3
Series
37 = SS 316L Unit (cast)
 
4
Port Size
4= 1/2"
6 = 3/4"
 
5 6
Options
 
  Elastomer
[01] EPDM
[02] Viton
04 Low Temp. Nitrile
 
7
Relief
R = Relieving
N = Non Relieving
 
8
Gauge
N = No. Pr. Gauge
G = With Pr. Gauge Fitted SS316 (50 mm) without any certification
 
9
Sec. Pr. Range
C 0.21 to 2.10 bar (3.0 - 30 psi)
F 0.40 to 4.0 bar (6.0 - 60 psi)
L 0.86 to 8.6 (12.5 - 125 psi)
M 1.00 to 10.0 bar (15.0 - 150 psi)
*[S] 1.70 to 17.5 bar (25.0 - 250 psi)
 
10
Port Thread
  Main Port Gauge Port
A NPT BSPT
B BSPT BSPT
G BSP BSPT
N NPT NPT
 
11
Mounting & Accessories
N = No Mounting Bracket
B = Wall Mounting Bracket (SS316)
P = 2" Pipe Mounting Bracket Fitted(SS316)
 
12
Pr. Adjustment
H = HEX headed screw (SS316L)
T = ‘T’ Handle (SS316L)
 
13 14 15
Test / Approval
C 0 0 CE
C 0 1 UKCA
C 0 2 CE, UKCA
E 0 0 EAC
E 0 1 EAC, UKCA
S 0 0 SIL3
S 0 1 SIL3, UKCA
G 0 0 CE, EAC
G 0 1 CE, EAC, UKCA
H 0 0 CE, SIL3
H 0 1 CE, SIL3, UKCA
K 0 0 CE, EAC, SIL3
K 0 1 CE, EAC, SIL3, UKCA
X X X Standard Units Without Any Certificatios / Approval
[O] [0] [0] Other Customer Special Requirement if Any
 
16 17 18
Compliance
X X X Standard Unit Without any Compliance
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 : Options shown in [ ] bracket are special, please contact manufacturing.
           *[S] option available with hex headed adjustment only.
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