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REGAL 3F

Instruction Manual

D103693X012

July 2018

Direct-Operated Regulator

SUMMARY

INTRODUCTION ...........................................................  1

DESCRIPTION ..............................................................  2

CHARACTERISTICS ..................................................... 2

LABELLING ...................................................................  3

DIMENSIONS AND WEIGHTS ...................................... 4

OPERATION .................................................................. 4

INSTALLATION .............................................................  5

COMMISSIONING ......................................................... 6

MAINTENANCE ............................................................  7

SPARE PARTS ..............................................................  10

Type Regal 3F/OS2

Figure 1.

 Type REGAL 3F Direct-Operated Regulator

DECLARATION OF CONFORMITY REGAL 3F

Manufacturer: 

FRANCEL

Address: 

3 avenue Victor Hugo, 28008 Chartres

Equipment: REGAL 

3F 

Identi

fi

 cation no.:

Conformity Assessment Module: 

Module A

The undersigned declare that the design, manufacture and inspection of this equipment are in conformity with the Pressure Equipment 
Directive 2014/68/UE (PED)

Name: Function: 

Company 

stamp:

Date:  

Signature:

The type 

REGAL 3F

 is in conformity with the Pressure 

Equipment Directive PED 2014/68/UE and is classi

fi

 ed 

under category I. 

Equipment and pipeline situated on the outlet side of 
the regulator are either;
•  not subject to the PED (Pu <= 0.5 bar), or 
•  subject to (Pu > 0.5 bar): in this case the type 

Regal 3F is classi

fi

 ed under category 1 maximum.

INTRODUCTION

The type REGAL 3F is a direct-operated, spring set point 
pressure regulator, used for supplying industries and 
commercial businesses.

As an option, it can be equipped with a slam shut types VSX2 
or OS2 which permits the gas 

fl

 ow to be cut off rapidly and 

totally in the case of under or over outlet regulator pressure.

Type Regal 3F/VSX2

Summary of Contents for REGAL 3F

Page 1: ...ormity with the Pressure Equipment Directive 2014 68 UE PED Name Function Company stamp Date Signature The type REGAL 3F is in conformity with the Pressure Equipment Directive PED 2014 68 UE and is classified under category I Equipment and pipeline situated on the outlet side of the regulator are either not subject to the PED Pu 0 5 bar or subject to Pu 0 5 bar in this case the type Regal 3F is cl...

Page 2: ...m balanced valve plug an orifice An integral bypass slam shut in place of the bottom see D103695X012 manual Depending on set point required A Pd set point adjustment spring A tripping spring set to max A tripping spring set to min A Version with Integral Slam Shut Type OS2 A body a diaphragm actuator A diaphragm balanced valve plug an orifice A slam shut connecting part in place of the bottom A va...

Page 3: ... 520 10 300 1 520 500 1 500 5 1000 2 700 Table 2 Regulator Flow Ranges Table Pd mbar Spring Spring Nominal Min Max Wire Ø Length mm mm code 100 60 140 5 5 165 131 918 160 80 180 6 0 142 539 300 100 320 7 0 167 144 300 500 300 550 8 0 170 131 793 1000 400 1100 10 0 144 035 Table 3 Regulator Set Point Spring Regulator Ranges Table Wire Ø mm Nominal Set Point Nominal Pd VSX2 Springs OS2 Springs mbar ...

Page 4: ...tlet pressures Pressure control is achieved through the actuator diaphragm which receives on the one side the outlet pressure and on the other side the spring load adjusted to the desired value by the set point spring Tight shutoff is ensured by the regulator plug disc pushing on the orifice The regulator can be equipped with a slam shut using a release relay types VSX2 or OS2 In the case of tempo...

Page 5: ...ction and or specific calculations may be supplied according to specific requirements CAUTION All interventions on equipment should only be performed by qualified and trained personnel WARNING The regulator is installed on horizontal recommended or vertical pipeline Version with slam shut the release relay can be situated towards the bottom or the top Installation according to EN12186 or EN12279 r...

Page 6: ...tripping Adjust the setting if necessary see D103695X012 manual Note the set point value on the equipment or mark it on a commissioning document Type OS2 Figure 7 Using the atmospheric valve R2 inject a pressure equal to the pressure required for the regulator 1st release relay stage Set Stage 1 Slam shut valve plug Set Stages 2 and 3 Progressively increase the pressure to reach tripping Adjust th...

Page 7: ...TOMS CAUSE ACTIONS If the outlet pressure increases Internal leak Control the regulator valve plug Control the regulator orifice or contact after sales If the outlet pressure decreases External leak Locate and seal the leak or contact after sales If the outlet pressure is constant The regulator is tightshut Close the impulse isolation valve Open the impulse atmospheric valve Progressively inject p...

Page 8: ...ment spanner for VSX2 Ref 197 226 Regulator Valve plug closed no flow Inlet and outlet valves closed Bleed off outlet pressure Bleed off inlet pressure Unscrew the cap key 6 Unscrew the adjustment screw key 5 Remove the adjustment screw assembly key 5 Unscrew the actuator screws key 3 Remove the cover key 4 Unscrew the main diaphragm assembly key 2 CAUTION Before disassembling the diaphragm not e ...

Page 9: ...om the mechanism box yoke key 16 Remove the connecting part key 18 and the valve axle key 15 Contrôler le clapet de sécurité key 13 Reassembly Perform the above operations in reverse order respect tightening torques Diaphragms to be changed every 6 years or less depending on condition Respect the relief valve setpoint dimension noted during disassembly Replace O rings at each disassembly Lubricate...

Page 10: ...10 REGAL 3F SPARE PARTS Figure 9 Type Regal 3F VSX2 and Type Regal 3F OS2 Spare Parts detail ...

Page 11: ...ut washer 461 173 12 Orifice 142 017 13 Orifice O ring 400 102 With Slam Shut Type VSX2 Type OS2 14 Circlips 406 153 15 Spring 144 064 16 Valve plug 142 130 17 Slam shut Pu O ring 400 081 18 Slam shut Pd O ring 400 074 19 Screw 403 028 20 Bypass O ring 400 501 21 Stem O ring 400 505 22 Diaphragm assembly 181 017 181 027 181105 23 Slam shut assembly 196 433 196 250 196245 Without Slam Shut 24 Botto...

Page 12: ...xpress or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available on request We reserve the right to modify or improve the designs or specifications of our products at any time without notice Emerson Process Management Regulator Technologies Inc does not assume responsibility for the selection ...

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