Flow Regulator Valve

BI-DIRECTIONAL - Flow Regulator [Valve] - SBDFR (1/4”, 3/8”, 1/2”)

features

Shavo's Bi-directional Flow Regulator unit for process control is specifically designed as high performance product for instrument air use in severe atmosphere
Shavo’s Bi-directional Flow regulator controls the flow separately in each directions
Typical application is the speed control of an actuator
CE, ATEX, EAC Ex (CUTR 12), EAC (CUTR 10) approved
Suitable for the applications include marine environment, oil and gas productions, chemicals and food processing, medical analysis, corrosive atmosphere etc.
External and internal parts are NACE MR 0175* approved

(*National Association of Corrosion Engineers MR-0175 defines requirements for sulphide stress cracking resistant materials used in oilwells and corrosive environments).

Parameters	Specifications
Fluid / Operating Media	Compressed Air Inert Gases, Sweet (Natural) gas Gases - Filtered lubricated or non-lubricated Liquids - Low pressure hydraulic, mineral oil or water
Pipe Size / Connections	1/4”,3/8”,1/2”
Pipe Thread	NPT	- Standard
	BSPT, BSP	- Optional
Max. Working Pressure	12 bar (174 psi) maximum
Material of Construction Body, Bonnet, Internals Spring Seals (Elastomers)	SS 316L, SS 316 (NACE MR 0175 compliance) SS 316 LNBR (Low Temperature Nitrile) - Standard
Operating Temperature Range (ambient) For Elastomers	Low Temperature Nitrile : -60°C to +80°C (Std)
Standard Nominal Flow rate at 6bar (87 psi) supply pressure and 1 bar (14.5 psi) pressure drop (differential)	1/4” - 22 scfm (620 slpm) 3/8” - 45 scfm (1290 slpm) 1/2” - 71 scfm (2000 slpm)
CV Value	1/4” - 0.6 3/8” - 1.30 1/2” - 2.0
Weight	1/4” - 0.38 kgs. 3/8” - 1.00 kgs. 1/2” - 1.00 kgs.

Note :
1) Lock Nut (hex nut) and spring will not have NACE MR 0175 compliance
2) Internal ‘wetted’ parts will have NACE MR 0175 compliance

OPTION SELECTOR

Sample Model Number

Position

S = Shavo

Product Description

BDFR = Bi-Directional Flow Regulator (VALVE)

Elastomer Type

L = Low Temperature Nitrile (LNBR)

Port Size

2 = 1/4”
3 = 3/8”
4 = 1/2”

Thread type

N	NPT
[B]	BSPT
[G]	BSP

8 9 10

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
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
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
Q	0	0	ATEX, EAC Ex
R	0	0	EAC Ex
R	0	1	EAC Ex, UKEX, UKCA
R	0	2	EAC Ex, UKCA
X	X	X	STANDARD UNITS WITHOUT ANY CERTIFICATE / APPROVAL

Material of Construction

S = Standard SS316L version

12 13 14

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.