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Vayu Intermediate Series - (20) ( G 1/4 , G 3/8 , G 1/2)
features
  • Shavo's VayuTM Series Intermediate range general purpose Filter removes upto 99% of the liquid water
  • Design of the filter element gives both surface and depth filtration for cleaner air
  • Choice of elements, bowls drains to suit all applications
MODEL SF20G
Parameters Specifications
Pipe Threads G 1/4, 3/8, 1/2 Parallel (F) - Standard
BSPTr. / NPT - Optional
Filter Element Size 5, 25, 40/50 micron
Element Material Plastic (Polypropylene) - Standard
Sintered Bronze - Optional
Body Material Al. Alloy die cast
Bowl Material Transparent Polycarbonate bowl with bowl guard - Standard
Al. Alloy Metal with sight
glass
- Optional
Maximum Inlet Pressure with P.C. Bowl Manual Drain, Automatic Drain and Semi-Automatic Drain : 150 psig (10.5 bar)
with Metal Bowl Manual Drain : 250 psig (17.5 bar)
with Metal Bowl Automatic Drain and Semi-Automatic Drain : 150 psig (10.5 bar)
Maximum Operating
Temperature (ambient)
with PC Bowl  : 50º C (125º F)
with Metal Bowl : 80º C (175º F)
Standard Nominal Flow Rate At 6 bar (87 PSI) supply pressure and 1 bar (14.5 PSI) Pressure drop G 1/4 84 scfm (40 dm³ /sec) CV(1.58)
G 3/8 170 scfm (81 dm³ /sec) CV(3.21)
G 1/2 283 scfm (135 dm³ /sec) CV(5.33)
Drain Manual - Standard
Automatic - Optional
Sem-Automatic - Optional
 + Values indicated are with 40/50 micron elements, with finer elements these values will be lesser.

Note: Automatic Drain and Semi-Automatic drain available with Nitrile Elastomer Only.
Size Flow (dm3/s) Element(um) Drain Bowl Model
G 1/4 84 scfm
(40 dm³/sec)
25 Auto
Manual
Transparent
Transparent
SF20G-2G-A2PN
SF20G-2G-M2PN
G 3/8 170 scfm
(81 dm³/sec)
25 Auto
Manual
Transparent
Transparent
SF20G-3G-A2PN
SF20G-3G-M2PN
G 1/2 283 scfm
(105 dm³/sec)
25 Auto
Manual
Transparent
Transparent
SF20G-4G-A2PN
SF20G-4G-M2PN
OPTION SELECTOR
 
Sample Model Number
S F 2 0 G
-
2 A
-
M 2 P N
   
Position
0 1 2 3 4
-
5 6
-
7 8 9 10
   
0
   
S = Shavo
   
1
Product
F = Filter
 
2 3
Series
20 = "VAYU" -3/8 Basic
 
4
Type
G = General Purpose
 
5
Size
 
2 = 1/4"
3 = 3/8"
4 = 1/2"
 
6
Port Thread
A = NPT
B = ISO RcTaper (= BSPT)
G = ISO 'Parellel' (= BSP)
 
7
Drain
M = Manual Drain
A = Automatic Drain (Available with Nitrile Elastomer Only)
S = Semi-Automatic Drain (Available with Nitrile Elastomer Only)
 
8
Filter Element
1 = 05 M Porous Plastic
2 = 25 M Porous Plastic
3 = 40/50 M Porous Plastic
6 = 05 M Sintered Bronze
7 = 25 M Sintered Bronze
8 = 40/50 M Sintered Bronze
 
9
Bowl
P = P.C. Bowl with Bowl Guard
D = Metal Bowl with Sight Glass
[M]  =  Metal Bowl without Sight Glass
 
10
Mounting & Accessories
N = No Mounting Bracket, No Service Life Indicator
B = Wall Mounting Bracket, No Service Life Indicator
 
11
Spl. Option
Blank = Standard Unit
[L] = with 1" longer filter element (for SF20G only)
 
12
Elastomer
Blank = Standard Unit with Nitrile Elastomer
[E] = EPDM
[V] = Fluorocarbon (Viton)
[L] = Low Temperature Nitrile Elastomer (LNBR)
 
13
Test / Approval
Blank = Standard Units
C = CE
E = EAC
S = SIL 3
G = CE, EAC
H = CE, SIL3
J = EAC, SIL3
K = CE, EAC, SIL3
O = Other Customer Requirement If Any

Note: Option shown in the [ ] bracket are special, Please contact Sales HQ/Manufacturing.
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