Pressure Regulator SR70

Vayu Large - (70) (G 3/4 , G 1 , G 1 1/4 , G 1 1/2 )

features

Shavo's Vayu Series Large Flow range Pressure Regulators Diaphragm operated, respond to flow demand and line pressure changes efficiently
Positive valve sealing, large passages & operating to give free air flow
Large size low torque square handle to adjust pressure make it designers' first choice
CE, ATEX, EAC Ex (CUTR 12), EAC (CUTR 10) approved
SIL3 capable as per IEC 61508

MODEL SR70

Parameters	Specifications
Fluid	Compressed Air
Pipe Sizes	3/4”,1", 1¼” , 1½”
Pipe Threads	BSP	- Standard
Pipe Threads	BSPT, NPT	- Optional
Max. Inlet Pressure	20 bar (300 psi)
Max. Operating Temperature (Ambient)	+80°C
Material of Construction Body, Bonnet Internal parts External parts	Aluminium Alloy die-cast Aluminium, SS304, SS316L, Acetal resin, Nylon, Brass etc. SS 316L
Diaphragm Assembly	Synthetic Rubber without PTFE - Standard
Elastomers	Low Temp. Nitrile (LNBR)	-40°C to +80°C
	EPDM	-35°C to +120°C (Std)
	Fluorocarbon (Viton-FKM)	-20°C to +180°C
Standard Nominal Flow Rate at 10 (150psi) inlet pressure 6 bar (87 psi) set pr. and a drop of 1 bar (14.5 psi) from set	3/4"	530 scfm (250 dm³/sec)
	1"	560 scfm (264 dm³/sec)
	1¼"	560 scfm (264 dm³/sec)
	1½"	560 scfm (264 dm³/sec)
CV Value	3/4” - (10.00) 1" - (10.50) 1¼” - (10.50) 1½” - (10.50)
Type	Relieving	- Standard
Type	Non-Relieving	- Optional
Pressure Adjustment	Square headed screw - Standard
Regulated secondary pressure ranges	1.0 to 10.0 bar (15.0 - 150 psi) - Standard 0.21 to 2.10 bar (3 - 30 psi) - Optional 0.4 to 4.0 bar ( 6.0 - 60 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.)	1/8” BSPT (Fe)	- Standard
Gauge Port (2 nos.)	1/8” NPT (Fe)	- Optional
Gauge size (dial size)	50 mm (Nominal)
Mounting	Panel Mounting	- Standard
Mounting	Mounting Bracket	- Optional
Weight	2.5 Kgs.
Pressure Gauge (scale)	Kg/cm² (PSI)	- Standard (For Domestic Market)
Pressure Gauge (scale)	Bar (PSI)	- Standard (Export)

Note:
1) Pressure gauge will not have the CE, EAC, SIL3 and NACE MR 0175 approval
2) Panel mounting Nut will not be available for ATEX versions
3) Pressure gauge will have the ATEX Approval

Size	Flow (dm³/s)	Range (psi)	Operation	Model
G 3/4	530 scfm (250 dm³/sec)	15-150 psi	Relieving	SR70T-6G-RNMN-A
G 1	560 scfm (264 dm³/sec)	15-150 psi	Relieving	SR70T-8G-RNMN-A
G1 1/4	560 scfm (264 dm³/sec)	15-150 psi	Relieving	SR70T-AG-RNMN-A
G1 1/2	560 scfm (264 dm³/sec)	15-150 psi	Relieving	SR70T-BG-RNMN-A

OPTION SELECTOR

Sample Model Number

Position

S = Shavo

Product

R = Regulator

Series

70 = "VAYU" 1" Basic

Pipe Size

[H] = Square Headed Type (Low Temperature Nitrile Elastomer)
[Q] = Square Headed Type (EPDM Elastomer)
[U] = Square Headed Type (Viton Elastomer)

Size

6 = 3/4"
8 = 1"
A = 1 1/4 "
B = 1 1/2

Port Thread

	Main Port	Gauge Port
A	NPT	BSPT
B	BSPT	BSPT
G	BSP	BSPT
N	NPT	NPT

Relief

R = Relieving
N = Non Relieving

Gauge

N = No Gauge
G = With Gauge (with ATEX approved - 50mm)

Sec. Pr. Range

C = 0.21 - 2.1 bar ( 3 - 30 psi)
E = 0.35 - 3.5 bar (5 - 50 psi)
L = 0.86 - 8.60 bar (12.5 - 125 psi)
M = 1.0 - 10.0 bar (15 - 150 psi)
*[S] = 1.70 - 17.5 bar (25 - 250 psi)

Mounting & Accessories

N = No Mounting Bracket
P = P.M. Nut will not be available for ATEX versions
B = Wall Mounting Bracket Fitted (SS316)

11 12 13

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

14 15 16

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: Option shown in the [ ] bracket are special, Please contact Sales HQ/Manufacturing.
* [S] option available with Hex headed pressure adjustment only.