Shavo's VAYU Series Large Flow Range Pressure Regulator Diaphragm
operated reduce the system pressure to a desired level and maintain it at
a constant level despite change in inlet pressure and changes in
downstream flow requirements
a
MODEL SR70
Parameters
Specifications
Pipe Threads
G ¾, 1, 1¼, 1½ Parallel (F)
- Standard
BSPT / NPT
- Optional
Type
Relieving
- Standard
Non-Relieving
- Optional
Body Material
Al. Alloy die-cast
Adjustment
Non-rising plastic knob
- Standard
Metal "T" Handle
- Optional
Maximum Inlet Pressure
300 psig (21.0)kg/cm2
Maximum OperatingTemperature (ambient)
1750 F (800 C)
Regulated secondary outlet
pressure (spring range) and
recommended Pressure gauge
ranges available (in kg/cm2)
Spring Range
Gauge Range
0.21 to 2.1
0 to 2.5
0.35 to 3.50
0 to 4
0.87 to 8.75
0 to 10
1.0 to 10.00
0 to 16
1.75 to 17.50
0 to 20
Gauge size
52 mm OD
Gauge Port size
1/8 BSPT (Fe)
Gauge connection
Back
Standard Nominal Flow Rate
(at 10 bar supply pressure and 1 bar pressure drop)
3/4"
: 168dm³/sec (352 scfm)
1 to 1½
: 210dm³/sec (440 scfm)
Panel Mounting
Possible - Optional
Size
Flow (dm3/s)
Range Kg/cm2
Operation
Model
G1
210 dm³/sec
0 - 8.75
Relieving
SR70K-8G-RNLN
G1 1/2
210 dm³/sec
0 - 8.75
Relieving
SR70K-BG-RNLN
OPTION SELECTOR
Sample Model Number
S
R
7
0
K
-
8
A
-
R
N
M
N
Position
0
1
2
3
4
-
5
6
-
7
8
9
10
0
S = Shavo
1
Product
R = Regulator
2
3
Series
70 = "VAYU" 1" Basic
4
Type
K = Knob Type
T = 'T' Handle Type
5
Size
6 = 3/4"
8 = 1"
A = 1 1/4 "
B = 1 1/2 "
6
Port Thread
Main Port
Gauge Port
A
NPT
BSPT
B
BSPT
BSPT
G
BSP
BSPT
N
NPT
NPT
J
Japanese PT
7
Relief
R = Relieving
N = Non Relieving
8
Gauge
N = No Gauge
G = With Gauge
9
Sec. Pr. Range
C = 0.21 to 2.1 kg/cm2
E = 0.35 to 3.5 kg/cm2
L = 0.85 to 8.75kg/cm2
M = 1.00 to 10.0 kg/cm2
+S =1.75 to 17.50 kg/cm2
11
Mounting & Accessories
p = With panel Mounting Nut
N = No Mounting Bracket, No P.M. Nut
B = Wall Mounting Bracket ,Fitted
Air Pressure Regulator 
