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Gas Pressure Regulator Series 204

Product information

serving the gas industry worldwide


GAS PRESSURE REGULATOR SERIES 204

2


GAS PRESSURE REGULATOR SERIES 204 Introduction, Application, Features, Technical Data Introduction • The Series 204 is a high pressure Externally Impulsed (ECL) direct acting, diaphragm actuated, lever operated, spring loaded open regulator for use on gas pressure reduction systems. The regulator can also be fitted with an independently operated Safety Cut-Off Valve for Over and Under/Over pressure protection. • Control of varying inlet pressure and capacity applications is ensured by utilising a range of interchangeable orifices of varying size. • Use with confidence on natural and manufactured gases of non-aggressive nature, including Nitrogen, Carbon Dioxide, Propane and Butane. Application

3

• Designed specifically for safe accurate first stage reduction on high pressure gas systems. Extensively used for gas services to domestic, industrial and farm taps where an accurate, safe and dependable pressure controlled supply is required. Features • Diaphragm casing can be rotated through 360° relative to regulator body and can be positioned at any angle to assist servicing and installation in confined spaces. • Completely independent operation of regulator and safety cut-off valve. • Both regulator casing/valve head and safety cut-off valve can be removed from the body as cartridges, ensuring straightforward maintenance without removing the body from the pipeline. • Wide operational pressure range • Rapid response to load changes. • Wide range of orifice sizes - Interchangeable in situ. Size Range ⁄ 2”, 3⁄4” and 1” Screwed to BS.21 Rc.

1

Installation

SERVICE CONDITIONS Maximum Inlet Pressure

(dependent upon orifice size and safety cut-off valve fitted)

Regulator only

Up to 69 barg

Regulator & Series 309 OPCO or UPCO/OPCO

Up to 10 barg

Regulator & Series 315 OPCO or UPCO/OPCO

Up to 69 barg

Outlet Pressure Range

0.21 to 13.8 barg

Temperature Range

-20°C to +60°C

• Regulator can be fitted with the Series 309 or 315 Overpressure (OPCO) or Under/Over pressure (UPCO/OPCO) Safety Cut-Off valve. These devices protect the downstream in the event that a dangerous gas pressure condition develops. All safety cut-off valves require External Control Line connection. • Trip indicator to show Open/Closed condition. • Remote Open/Closed position sensor.

Installation The regulator may be mounted in any orientation to suit site conditions, moisture or debris must not ingress the vent hole. It is important when installing equipment that pipeline stresses are kept to a minimum and no undue external forces are placed on the connections.


GAS PRESSURE REGULATOR SERIES 204 Spring Selection, Materials of Construction

4

SPRING SELECTION: SERIES 204 REGULATOR Spring Outlet Pressure Range

Number

261

262

263

264

Colour

bar

psi

Yellow

0.2 - 0.82

3 - 12

Aluminium

0.69 - 1.72

10 - 25

White

1.38 - 4.13

20 - 60

Tan

3.45 - 8.6

50 - 125

265

Grey

6.9 - 13.8

100 - 200

266

Dark Green

0.69 - 6.9

10 - 100

SPRING SELECTION: S.309 SAFETY CUT-OFF VALVE Model Type Spring Cut-Off Range Number Colour bar psi 1132 White/Blue 0.5 - 0.8 7.2 - 11.6 1133 White/Red 0.7 - 1.1 10.1 - 16 309-MP2 OPCO 1134 White Grey 1.0 - 1.8 4.5 - 26.1 1135 White/Brown 1.5 - 2.9 21.7 - 42 UPCO 1104 Purple 0.05 - 0.15 0.72 - 2.16 309-MP4 OPCO 1192 White/Purple 2 - 4 29 - 58 UPCO 1104 Purple 0.05 - 0.15 0.72 - 2.16 Note: Maximum Inlet Pressure for S.309 is 10 bar (145 psi) SPRING SELECTION: S.315 SAFETY CUT-OFF VALVE Model Type Spring Cut-Off Range Number Colour bar psi 1132 White/Blue 0.5 - 0.8 7.2 - 11.6 1133 White/Red 0.7 - 1.1 10.1 - 16 OPCO 1134 White Grey 1.0 - 1.8 14.5 - 26.1 1135 White/Brown 1.5 - 2.9 21.7 - 42 315-MP2 1104 Purple 0.05 - 0.15 0.72 - 2.16 1105 Black 0.1 - 0.3 2.1 - 3.6 UPCO 1255 Green 0.25 - 0.7 2.9 - 8.1 1028 Black/White 0.64 - 1.6 9.3 - 16 OPCO 1192 White/Purple 2 - 4 29 - 58 1104 Purple 0.05 - 0.15 0.72 - 2.16 315-MP4 UPCO 1105 Black 0.1 - 0.3 2.1 - 3.6 1255 Green 0.25 - 0.7 2.9 - 8.1 1028 Black/White 0.64 - 1.6 9.3 - 16 OPCO 1197 Blue 3 - 14 43.5 - 203 1104 Purple 0.12 - 0.47 1.73 - 6.78 315-HP UPCO 1105 Black 0.45 - 0.82 6.5 - 11.8 1255 Green 0.6 - 1.8 8.7 - 26 1028 Black/White 2 - 3.5 29 - 50

Minimum OPCO & UPCO/OPCO Settings: • Minimum Overpressure setting: 35 mbar (14” wg) or 10% above regulator outlet setting, whichever is the greater value • Minimum Under Pressure setting: 20 mbar (8” wg) or 10% below regulator outlet setting, whichever is the greater value • Minimum Differential pressure between UPCO & OPCO setting: 80 mbarg (32” wg) ORIFICE SELECTION Orifice Size

ins mm 1⁄8 3.17 3⁄16 4.76 1⁄4 6.35 5⁄16 8.0 3⁄8 9.5 1⁄2 12.7

Maximum Inlet Pressure With S.309 With S.315 Regulator Safety Safety Only Cut-Off Valve Cut-Off Valve bar psi bar psi bar psi 69 1000 10 145 69 1000 69 1000 10 145 69 1000 34.5 500 10 145 34.5 500 27.5 400 10 145 27.5 400 20.7 300 10 145 20.7 300 7 101.5 7 101.5 7 101.5

MATERIALS OF CONSTRUCTION Regulator Body, Lower Diaphragm Casing, Spring Housing

Ductile iron to BS EN 1563 Grade EN-GJS-400-18

Orifice & Valve Stem

Brass: BS 2784 CZ121

Top Cap, Diaphragm Carrier, Valve Head

Aluminium: BS 4300/5 FC1

Diaphragm, ‘O’ Rings, Valve Disc

Nitrile

Adjusting Screw & Spring Carrier

Mild Steel: BS 970 070M20 zinc Plated

Spring

Spring Steel: BS 5216

Safety Cut-Off Valve Component

Series 309

Series 315

Body

Aluminium: BS 1490 LM6

Plated Carbon Steel: BS 970 220M070

Valve Spindle

Stainless Steel: BS 970 316S31

Stainless Steel: BS 970 316S31

Valve Seating

Polyurethane

Polyurethane

Nitrile Reinforced -

Nitrile: EN 278 Epichorhydrin

Latch & Spring Adjuster

Brass: BS 2874 CZ121

Brass: BS 2874 CZ121

Rollers

Stainless Steel: DIN X90 CRMOV18

Stainless Steel: AISI 440C

Diaphragm Plates

Aluminium: BS 1474 HE 30

Aluminium: BS 1474 2011

Springs

Spring Steel: BS 1408

Coated Spring Steel: BS 5215 HS3

Top Casing

Aluminium: BS 1474 HE 30

Plated Carbon Steel: BS 970 220M070

Diaphragm:

MP HP


GAS PRESSURE REGULATOR SERIES 204 Capacities (Natural Gas, SG: 0.6) Pressure bar OUTLET

0.34

0.69

Outlet Pressure Range - 0.21 to 0.82 bar Yellow Spring Number - SS 0261 INLET

Capacity scmh - Orifice Size - ins (mm) 1\2" (12.7)

3\8" (9.5)

5\16" (7.9)

1\4" (6.4)

3\16" (4.8)

0.7

73

59

43

29

19

9

1.1

99

79

60

41

26

12

1.4

144

96

72

50

31

15

2.1

203

138

99

65

41

19

2.8

311

169

138

84

50

23

3.5

382

220

175

107

59

28

5.2

538

305

240

150

83

39

6.9

594

424

300

195

107

51

8.6

-

509

368

220

130

61

1.1

113

79

67

42

23

11

1.4

158

101

84

55

30

14

1.7

220

121

101

65

36

17

3.5

385

220

175

107

59

28

5.2

538

305

240

150

83

39

6.9

685

424

300

195

107

51

10.4

-

594

438

280

152

73

13.8

-

764

566

362

201

93

20.7

-

1132

821

535

294

136

34.5

-

-

-

863

481

226

Pressure bar OUTLET

1.0

1\8" (3.2)

Outlet Pressure Range - 0.69 to 1.72 bar Aluminium Spring Number - SS 0262 INLET

Capacity scmh - Orifice Size - ins (mm) 1\2" (12.7)

3\8" (9.5)

5\16" (7.9)

1\4" (6.4)

3\16" (4.8)

1\8" (3.2)

1.4

113

82

60

45

26

12

1.7

155

104

82

59

33

16

3.5

322

215

169

104

59

28

83

39

5.2

509

305

235

147

6.9

617

424

300

195

107

51

10.4

-

594

424

280

152

73

13.8

-

764

552

362

201

93

20.7

-

1132

821

535

294

136

27.6

-

-

1076

693

387

181

34.5

-

-

-

863

481

226

51.8

-

-

-

-

708

325

69.0

-

-

-

-

962

439

5


GAS PRESSURE REGULATOR SERIES 204 Capacities (Natural Gas, SG: 0.6) Pressure bar OUTLET

1.3

6

1.7

Outlet Pressure Range - 0.69 to 1.72 bar Aluminium Spring Number - SS 0262 INLET

Capacity scmh - Orifice Size - ins (mm) 1\2" (12.7)

3\8" (9.5)

5\16" (7.9)

1\4" (6.4)

3\16" (4.8)

1\8" (3.2)

1.7

138

97

73

55

29

14

2.1

186

121

96

67

38

18

3.5

331

220

175

107

59

28

5.2

509

305

240

150

83

39

6.9

651

424

300

195

107

51

10.4

-

594

424

280

152

73

13.8

-

764

552

362

201

93

20.7

-

1132

821

535

294

136

27.6

-

-

1076

693

387

181

34.5

-

-

-

863

481

226

51.8

-

-

-

-

708

325

69.0

-

-

-

-

963

439

2.1

167

116

90

62

33

16

3.5

331

220

175

107

59

28

5.2

509

305

240

150

83

39

6.9

651

424

300

195

107

51

10.4

-

594

424

280

152

73

13.8

-

764

552

362

201

93

20.7

-

1132

821

535

294

136

27.6

-

-

1076

693

387

181

34.5

-

-

-

863

481

226

51.8

-

-

-

-

708

325

69.0

-

-

-

-

963

439

Pressure bar OUTLET

2.0

Outlet Pressure Range - 1.38 to 4.13 bar White Spring Number - SS 0263 INLET

Capacity scmh - Orifice Size - ins (mm) 1\2" (12.7)

3\8" (9.5)

5\16" (7.9)

1\4" (6.4)

3\16" (4.8)

1\8" (3.2)

2.4

127

99

75

65

38

18

2.8

161

124

92

79

46

22

3.5

215

158

120

99

59

27

5.2

325

240

178

141

83

39

6.9

453

305

235

181

107

51

10.5

-

467

351

260

152

73

13.8

-

608

453

339

201

93

20.7

-

892

665

495

294

136

27.6

-

-

877

651

387

181

34.5

-

-

-

821

481

226

708

325

962

439

51.8

-

-

-

-

69.0

-

-

-

-


GAS PRESSURE REGULATOR SERIES 204 Capacities (Natural Gas, SG: 0.6) Pressure bar OUTLET

2.7

3.4

4.1

Outlet Pressure Range - 1.38 to 4.13 bar White Spring Number - SS 0263 INLET

Capacity scmh - Orifice Size - ins (mm) 1\2" (12.7)

3\8" (9.5)

5\16" (7.9)

1\4" (6.4)

3\16" (4.8)

2.8

169

3.5

203

5.2 6.9

1\8" (3.2)

135

93

82

45

21

164

113

96

55

253

356

243

182

147

83

39

481

339

243

195

107

51

10.4

-

509

368

280

152

73

13.8

-

665

495

362

201

93

20.7

-

977

736

535

294

136

27.6

-

-

962

693

387

181

34.5

-

-

-

863

481

226

51.8

-

-

-

-

708

325

69.0

-

-

-

-

963

439

4.2

252

178

140

111

60

29

5.2

382

252

195

148

80

38

6.9

523

354

274

195

107

50

10.4

-

538

410

280

152

73

13.8

-

722

538

362

201

93

20.7

-

1062

792

535

294

136

27.6

-

-

1047

693

387

181

34.5

-

-

-

863

481

226

51.8

-

-

-

-

708

325

69.0

-

-

-

-

862

439

4.5

269

192

155

110

60

28

5.2

379

243

201

138

76

36

6.9

566

362

288

195

107

50

10.4

-

552

424

280

152

73

13.8

-

736

566

362

201

93

20.7

-

1076

835

535

294

136

27.6

-

-

1104

693

387

181

34.5

-

-

-

863

481

226

51.8

-

-

-

-

708

352

69.0

-

-

-

-

962

439

7


GAS PRESSURE REGULATOR SERIES 204 Capacities (Natural Gas, SG: 0.6) Pressure bar OUTLET

5.1

8

6.9

8.6

Outlet Pressure Range - 3.45 to 8.6 bar Tan Spring Number - SS 0264 INLET

Capacity scmh - Orifice Size - ins (mm) 1\2" (12.7)

3\8" (9.5)

5\16" (7.9)

1\4" (6.4)

3\16" (4.8)

1\8" (3.2)

5.5

196

141

6.2

334

178

107

97

65

33

133

120

82

6.9

438

41

215

152

138

97

10.4

47

-

339

230

206

152

70

13.8

-

481

334

274

201

93

20.7

-

713

489

402

294

136

27.6

-

-

645

529

387

181

34.5

-

-

-

651

481

226

51.8

-

-

-

-

708

325

69.0

-

-

-

-

962

439

7.6

-

223

178

167

99

46

8.6

-

294

237

206

121

56

10.4

-

387

320

257

152

70

13.8

-

546

458

339

201

93

20.7

-

804

671

498

294

136

27.6

-

-

883

651

387

181

34.5

-

-

-

815

481

226

51.8

-

-

-

-

708

325

69.0

-

-

-

-

962

439

9.3

-

322

269

215

118

55

10.4

-

424

339

257

141

66

13.8

-

668

546

362

201

93

20.7

-

982

801

535

294

136

27.6

-

-

1056

693

387

181

34.5

-

-

-

863

481

226

51.8

-

-

-

-

708

325

69.0

-

-

-

-

962

439


GAS PRESSURE REGULATOR SERIES 204 Capacities (Natural Gas, SG: 0.6) Pressure bar OUTLET

6.9

10.3

13.8

Outlet Pressure Range - 6.90 to 13.8 bar Grey Spring Number - SS 0265 INLET

Capacity scmh - Orifice Size - ins (mm) 1\2" (12.7)

3\8" (9.5)

5\16" (7.9)

1\4" (6.4)

3\16" (4.8)

1\8" (3.2)

8.6

-

150

124

90

65

40

10.4

-

188

155

133

84

49

13.8

-

249

206

150

116

65

20.7

-

365

303

220

178

116

27.6

-

481

399

291

235

153

34.5

-

-

-

362

291

189

51.8

-

-

-

-

433

283

69.0

-

-

-

-

572

371

12.1

-

283

252

195

121

68

13.8

-

339

305

235

161

82

20.7

-

515

461

356

267

124

27.6

-

679

611

470

351

164

34.5

-

-

-

583

436

203

51.8

-

-

-

-

651

303

69.0

-

-

-

-

863

402

15.6

-

481

413

300

198

87

20.7

-

699

608

441

283

130

27.6

-

934

807

583

382

175

34.5

-

-

-

730

467

218

51.8

-

-

-

-

693

322

68.97

-

-

-

-

934

430

9


GAS PRESSURE REGULATOR SERIES 204 Sectional Arrangement

Adjusting Screw

10

Interchangeable Springs Vent Rc 1⁄2 Union Connector

INLET

ECL Connection Rc 1⁄4

Ductile Iron Body Interchangeable Orifices Inlet Pressure

Outlet Pressure

Atmospheric Pressure


GAS PRESSURE REGULATOR SERIES 204 Dimensions & Weights

H

Ø

F

11

G E Vent Rc1⁄2

35mm

Series 204

K A

ØJ

A /2

D

C

B

External Impulse Connection Rc 1⁄4

Model

A

B MP2 MP4

Regulator only 102

-

-

With S.309

102

225

225

With S.315

102

345

345

C

D

E

F

G

H

J

K

Weight Kg

HP

MP2 MP4

- 127 108 256 111 280 153 - -

HP

-

7

-

-

-

127

108

256

111

280

153 110

345

-

9

9.2

-

365 127

108

256

111

280

153 110

485

-

15

15

15

All contents are subject to copyright, with the possible exception of information that is universal and/or public domain. Bryan Donkin RMG Gas Controls Limited policy is one of continuous improvement and development. The company reserves the right to change, withdraw and introduce improved designs without notice.


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