Stainless Steel - (27) (G 1/4 , G 3/8 )
features
  • 'Shavo's' Pressure Regulator Model SR27 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.
  • CE, EAC[CU TR10(equivalent to GOST R&K)] approved
  • SIL3 capable as per IEC 61508
  • External parts are NACE MR 0175* approved

 (*National Association of Corrosion Engineers MR-0175 defines requirements for sulphide stress cracking resistant materials used in oilwells and other corrosive environments.)
MODEL SR27
Parameters Specifications
Fluid Compressed Air
Pipe Sizes 1/4”, 3/8”
Port Thread NPT - Standard
BSPT, BSP - Optional
Max. Inlet Pressure 435 psig (30 bar)
Max. Operating Temperature (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 304
SS 316L with NACE compliance (MR 0175)
Diaphragm Assembly Synthetic Rubber with PTFE - Standard
Elastomers Low Temperature Nitrile (NBR) -60°C to +80°C (std)
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 (150psi) inlet pressure 6 bar (87 psi) set pr. and a drop of 1 bar(14.5 psi) from set

1/4" 82 scfm (39 dm3/sec) CV(1.55)

3/8" 173 scfm (82 dm3/sec) CV(3.26)

CV Value

1/4" - (1.55)
3/8" - (3.26)

Type Relieving - Standard
Non-Relieving - Optional
Pressure Adjustment Hex Headed Adjusting screw - Standard
‘T’ Handle - Optional
Regulated secondary pressure ranges 1.0 to 10.0 bar (15.0 - 150 psi) - Standard
0.4 to 4.0 bar (6.0 - 60 psi) - Optional
0.21 to 2.1 bar (3- 30 psi) - Optional
0.86 to 8.6 bar (12.5 - 125 psi) - Optional
1.70 to 17.5 bar (25 - 250 psi) - Optional
Gauge Port (2 nos.) 1/4” NPT (Fe) - Standard
1/4” BSPT (Fe) - Optional
Gauge size (dial size) 50 mm (Nominal)
Mounting P.M. NUT - Standard
Wall Mounting Bracket - Optional
Weight 1.5 Kgs.

Note:
1) PM nut, mounting bracket, grub screw will not have NACE MR 0175 approval
2) Pressure gauge will not have CE, EAC, SIL3 and NACE MR 0175 approval

Size Flow (dm3/s) Range (psi) Operation Model
G 1/4 82 scfm
(39 dm3/sec)
15-150 psi Relieving SR27-201-RNMA-NHC
G 3/8 173 scfm
(82 dm3/sec)
15-150 psi Relieving SR27-301-RNMA-NHC
 
OPTION SELECTOR
 
Sample Model Number
S R 2 7
-
2 0 0
-
R G L A
-
N
-
T C
   
Position
0 1 2 3
-
4 5 6
-
7 8 9 10
-
11
-
12 13
   
0
   
S = Shavo
   
1
Product
R = Regulator
 
2 3
Series
27 = Midi Series - SS316L (MOC)
 
4
Port Size
2  =  1/4"
3  =  3/8"
 
5 6
Options
 
  Elastomer
[04 ] Low Temp. Nitrile
[01] EPDM
[02] Viton
00 Nitrile
 
7
Relief
R    =    Relieving
N    =    Non Relieving
 
8
Gauge
N    =   No. Pr. Gauge
G    =   With Pr. Gauge Fitted (S.S. 50mm) (without any certification)
 
9
Sec. Pr. Range
C 0.2 - 2.1 bar (3.0 - 30 psi)
F 0.4 - 4.0 bar (6.0 - 60 psi)
L 0.86 - 8.60 bar (12.5 - 125 psi)
M 1.0 - 10.0 bar (15.0 - 150 psi)
*[S] 1.7 - 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 (SS)
P  =  2" Pipe Mounting Bracket Fitted (SS)
 
12
Pressure Adjustment
T = T handle (SS316L)
H = Hex headed scew. (SS316L)
 
13
Test / Approval
Blank = Standard unit (without any certification)
C = CE
E = EAC (CUTR-10)
S = SIL3
G = CE, EAC
H = CE, SIL3
J = EAC, SIL3
K = CE, EAC, SIL3
O = Other customer special reqmt.if any.
   
Note: Options shown in [ ] bracket are special, please contact manufacturing.
             * [S] option available with Hex headed pressure adjustment only.
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