Pilot Operated Regulator SR48

High Flow Series - (48) (G ¾, G 1)

features

Can be installed at any point in the compressed air system without regard to accessibility. The pilot regulator can be installed in the most convenient location
Accurate pressure regulation over a wide range of flows
Relieving (Bleed) units
Can be used with conventional or feedback pilot

MODEL SR48

Parameters	Specifications
Pipe Size
G 3/8”, 1/2”, 3/4", G1"	-Standard
BSPT / NPT	-Optional
Type	Relieving (with bleed)
Body, Bonnet, Material	Aluminium
Pr. Adjustment	Using a pilot regulator (either conventional or feedback)
Max. Inlet Pressure	250 psig (17.5 bar)
Max. Operating Temp.	80º C (175º F)
Gauge port (2 nos.)	1/8
Pilot Intel Port	1/4
Recommended Sec. Pr. range	0.15 to 15 bar
Standard Nominal Flow rate [Conventional Pilot] (At 145 psi supply pressure sand 14.5 psi drop in 87psi sec. set pressure.)	3/4	157 scfm (75 dm³/sec) CV(2.96)
	1	252 scfm (120 dm³/sec) CV(4.75)
Max. bleed rate at 3.5 bar outlet pressure under no flow condition	1 dm³/sec (2.1 scfm)
Mounting	In-line
Pressure Gauge (scale)	Kg/cm² (PSI)	- Standard (For Domestic Market)
	Bar (PSI)	- Standard (Export)

Note: Pressure gauge will not have the CE, EAC, SIL3 & NACE MR0175 approval.

OPTION SELECTOR

Sample Model Number

Position

S = Shavo

Product

R = Regulator

Series

48 =1" Basic-Pilot Operated

Pipe Size

3 = 3/8”

4 = 1/2”

6 = 3/4"

8 = 1"

Port Threads

	Main Port	Gauge Port	Pilot Port
A	NPT	1/8 BSPT	1/4 BSPT
B	BSPT	1/8 BSPT	1/4 BSPT
G	BSP	1/8 BSPT	1/4 BSPT
N	NPT	1/8 NPT	1/4 NPT

-Type

B = Bleed (STD)

X = No Spring (STD)

Gauge

N = No Gauge
G* = With Gauge (Without any Certification)

Elastomer

X = Standard Unit with Nitrile Elastomer
[E] = EPDM
[V] = Fluorocarbon (Viton)
[L] = Low Temperature Nitrile Elastomer (LNBR)

10 11 12

Test / Approval

C	0	0	CE
C	0	1	UKCA
C	0	2	CE, UKCA
E	0	0	EAC
E	0	1	EAC, UKCA
S	0	0	SIL3
S	0	1	SIL3, UKCA
G	0	0	CE, EAC
G	0	1	CE, EAC, UKCA
H	0	0	CE, SIL3
H	0	1	CE, SIL3, UKCA
K	0	0	CE, EAC, SIL3
K	0	1	CE, EAC, SIL3, UKCA
X	X	X	Standard Units Without Any Certificatios / Approval
[O]	[0]	[0]	Other Customer Special Requirement if Any

13 14 15

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.

* Range of Pr. Gauge will be suitable to the Sec. Pr. range of pilot regulator, if ordered along with slave regulator otherwise customer to specify the gauge range required.