Pressure Regulator SR18

High Flow Series - (18) ( G 1 1/2 , G 2)

features

Shavo's Pilot operated “Slave” Pressure Regulator can be installed at any point in the compressed air system without regard to accessibility ensuring accurate pressure regulation over a wide range of air flows upto 2000 cfm
Conventional or Feedback Pilot Regulators to operate the “Slave” regulator can be installed in the most convenient location
CE, ATEX, EAC Ex (CUTR 12), EAC (CUTR 10) approved
SIL3 capable as per IEC 61508

MODEL SR18

Parameters	Specifications
Fluid	Compressed Air
Pipe Sizes	1½”, 2”
Port Thread	BSP	- Standard
	BSPT, NPT	- Optional
Max. Inlet Pressure	31 bar (450 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 bar (150psi) inlet pressure 6 bar (87 psi) set pr. and a drop of 1 bar (14.5 psi) from set	1½” - 1415 scfm (675 dm³/sec)
	2” - 1890 scfm (900 dm³/sec)
CV Value	1½” - (26.70) 2” - (35.70)
Type	Relieving	- Standard
	Non-Relieving	- Optional
Pressure Adjustment	With the help of a Pilot Regulator either standard or Feedback
Regulated secondary pressure range available	upto 17.5 kg/cm²
Gauge Port size	G 1/4”
Gauge size (dial size)	50 mm (Nominal)
Mounting	Panel Mounting	- Standard
	Mounting Bracket	- Optional
Weight	3.5 Kgs.
Pressure Gauge (scale)	Kg/cm² (PSI)	- Standard (For Domestic Market)
	Bar (PSI)	- Standard (Export)

Note:
1) Pressure gauge will not have the CE, EAC, SIL3 and NACE MR 0175 approval

Size	Flow	Range psi	Operation	Model
G1 1/2	1415 scfm (675 dm³/sec)	15-150 psi	Relieving	SR18-B00-RNXD-A
G 2	1890 scfm (900 dm³/sec)	15-150 psi	Relieving	SR18-C00-RNXD-A

OPTION SELECTOR

Sample Model Number

Position

S = Shavo

Unit

R = Regulator

Series

18 = 2" Basic Designer

Pipe Size

B = 1 1/2"
C = 2

Port Thread

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

Relief

R = Relieving
N = Non-Reliving

Gauge

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

X = Standard (No Spring)

Pilot Regulator Details

R07 = Conventional Pilot Model R07 1/4"
R02 = Conventional Pilot Model R02 1/4"
R20 = Conventional Pilot Model R20 1/4"
SNR = Conventional Pilot Model 11-4SNR 1/4"
R28 = Feed Back Pilot Model R28 1/4"

Spring Range Pilot Regulator

A = 0.07 TO 0.7 bar
C = 0.21 TO 2.1 bar
E = 0.35 TO 3.5 bar
F = 0.4 TO 4.0 bar
K = 0.7 TO 7.0 bar
L = 0.85 TO 8.75 bar
M = 1.00 TO 10.0 bar
S = 1.75 TO 17.5 bar (Wherever Available) ('T' Handle)

13 14 15

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

Elastomers

L = Low Temperature Nitrile Elastomer (LNBR)
[E] = EPDM Elastomer
[V] = Viton Elastomer

17 18 19

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.