Precision Regulator 11-4SNR (3/8", 1/2")

11-4SNR (G 3/8, 1/2)

features

Shavo's Regulator unit offers extremely precise control
Unique Valve design and large ratio of diaphragm to valve area affords highly sensitive performance
Specially designed to meet instrumentation requirements
SIL3 capable as per IEC 61508
CE, ATEX, EAC Ex(CUTR 12), EAC(CUTR 10) approved

MODEL 11-4SNR

Parameters	Specifications
Fluid	Compressed Air
Pipe Sizes	3/8”, 1/2”
Port Thread	BSPT	- Standard
Port Thread	BSPT, NPT	- Optional
Max. Inlet Pressure	17.5 bar (254 psi) - Aluminium
Max. Operating Temperature (Ambient)	+80°C
Material of Construction (Aluminium) Body, Bonnet, Bowl Internal Parts External Parts	Aluminium Alloy die-cast Aluminium, SS304, SS316L, Acetal resin, Nylon, brass SS 316L, Aluminium
Diaphragm Assembly	Synthetic Rubber without PTFE - Standard
Elastomers	Low Temp. Nitrile (NBR)	-40°C to +80°C
	EPDM	-35°C to +120°C
	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	3/8” - 55 scfm (26 dm³/sec) 1/2” - 55 scfm (26 dm³/sec)
CV Value	3/8”, 1/2” - (1.04)
Type	Relieving	- Standard
Type	Non-Relieving	- Optional
Pressure Adjustment	Hex Head adjusting screw	- Standard
Regulated secondary pressure ranges	0.70 to 7.0 bar (10-100 psi)	- Standard
	0.07 to 0.70 bar (1-10 psi)	- Optional
	0.21 to 2.10 bar (3-30 psi)	- Optional
	0.35 to 3.50 bar (5-50 psi)	- Optional
	0.50 to 5.0 bar (7-70 psi)	- Optional
Gauge Port (2 nos.)	1/4” BSPT (Fe)	- Standard
Gauge Port (2 nos.)	1/4” NPT (Fe)	- Optional
Mounting	Panel Mounting	- Standard (for Aluminium)
Weight	0.6 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 CE, EAC, SIL3 and NACE MR 0175 approved
2) Pressure gauge will have ATEX approval
3) PM nut, mounting bracket, grub screw will not be to NACE specifications

Size	Flow (dm³/sec)	Range (psi)	Opration	Model
1/2”	55 scfm (26 dm³/sec)	10-100 psi	Relieving	11-4SNR-400-RGKA-ENA

OPTION SELECTOR

Sample Model Number

Position

Instrument Regulator with S.S. Trim

Port Size

3 = 3/8"
4 = 1/2"

Options

50 = Hex. Headed Adj.Screw-Slotted type (SS316)

Options

R = Relieving
N = Non-Relieving

Gauge

N = No Gauge
G = With Gauge (SS)

(Pr. Gauge will be ATEX approved-50mm)

Secondary Pressure
Range

A = 0.07 to 0.70 bar (1-10 psi)
C = 0.21 to 2.10 bar (3-30 psi)
E = 0.35 to 3.50 bar (5-50 psi)
F = 0.50 to 5.00 bar (7-70 psi)
K = 0.70 to 7.00 bar (10-100 psi)

Port Thread

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

Elastomer Material

L = Low. Temp. Nitrile
[E] = EPDM
[V] = Viton

Mounting Bracket

N = No Mounting Bracket B = Standard Mounting Bracket P = 2" Pipe Mounting Bracket
Bracket for ATEX units will be SS316	(Brackets used for Aluminium unit)

16 17 18

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

MOC

M = Aluminium (Body, Bonnet, Cap)

20 21 22

Compliance

X	X	X	Standard Unit Wthout any Complinace
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.