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Specifications

This section lists the specifications for the Type E5 main valve. Factory specifications are stamped on the 

nameplate fastened on the regulator at the factory.

Rated Flow Coefficient

See Table 2

Material of Constructions

Body: Cast Iron or Cast Steel

Stem, Disk and Seat: Stainless steel

Gasket: Graphite

Diaphragm: Nitrile (NBR)

Spring: Steel

Approximate Weight

See Table 3

Valve Sizes

NPS 3/4, 1, 1-1/4, 1-1/2, 2, 2-1/2, 3, 4, 5, 6, 8, 10 

and 12 / DN 20, 25, 32, 40, 50, 65, 80, 100, 125, 

150, 200, 250 and 300

End Connection Styles

NPT, CL125, CL150, CL250 and CL300

Pressure Rating

(1)

See Table 1

MInimum Differential Pressure

(1)

5 psi / 0.34 bar

Temperature Rating

(1)

See Table 1

1. The pressure/temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded.

Table 2

. Type E5 Main Valve Rated Flow Coefficients

Table 3

. Type E5 Main Valve Approximate Weight

Table 1

. Type E5 Main Valve Pressure and Temperature Rating

SEAT 

FACTOR

REGULATOR SIZE, NPS / DN

3/4 / 20

1 / 25

1-1/4 / 32

1-1/2 / 40

2 / 50

2-1/2 / 65

3 / 80

4 / 100

5 / 125

6 / 150

8 / 200

10 / 250

12 / 300

Full

7.6

11.7

18.9

27.4

43

67

95

159

258

350

665

1018

1611

Normal

5.7

10.0

13.4

19.8

25

35

59

120

176

228

366

525

952

VALVE SIZE

CAST IRON

CAST STEEL

NPT

CL125

CL250

CL150

CL300

NPS

DN

lbs

kg

lbs

kg

lbs

kg

lbs

kg

lbs

kg

3/4

20

23

10

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

1

25

24

11

30

14

33

15

35

16

39

18

1-1/4

32

49

22

46

21

49

22

58

26

63

29

1-1/2

40

53

24

58

26

68

31

67

30

74

34

2

50

84

38

90

41

97

44

113

51

120

55

2-1/2

65

- - - -

- - - -

97

44

112

51

130

59

135

61

3

80

- - - -

- - - -

148

67

170

77

210

95

226

103

4

100

- - - -

- - - -

208

95

293

133

307

139

330

150

5

125

- - - -

- - - -

240

109

333

151

335

152

366

166

6

150

- - - -

- - - -

348

158

616

280

560

254

503

274

8

200

- - - -

- - - -

650

295

814

370

795

361

862

392

10

250

- - - -

- - - -

910

414

1130

513

1345

611

1420

645

12

300

- - - -

- - - -

1580

718

1920

872

1990

904

2160

982

MAIN VALVE MATERIAL

END CONNECTION

PRESSURE RATING

TEMPERATURE RATING

psig

bar

°F

°C

Cast Iron

250 NPT

250

17.2

450

232

CL125

125

8.62

450

232

CL250

250

17.2

450

232

Cast Steel

300 NPT

300

20.7

600

315

CL150

150

10.3

500

260

CL300

300

20.7

600

315

2

Type E5

Содержание E5

Страница 1: ...e operation Either condition may result in equipment damage or personal injury Only a qualified person shall install or service the Type E5 main valve Introduction Scope of the Manual This manual provides instructions for the installation troubleshooting maintenance valve setting and parts ordering for Type E5 main valve regulator Product Description The Spence Type E5 Main Valve is pilot operated...

Страница 2: ...in Valve Pressure and Temperature Rating SEAT FACTOR REGULATOR SIZE NPS DN 3 4 20 1 25 1 1 4 32 1 1 2 40 2 50 2 1 2 65 3 80 4 100 5 125 6 150 8 200 10 250 12 300 Full 7 6 11 7 18 9 27 4 43 67 95 159 258 350 665 1018 1611 Normal 5 7 10 0 13 4 19 8 25 35 59 120 176 228 366 525 952 VALVE SIZE CAST IRON CAST STEEL NPT CL125 CL250 CL150 CL300 NPS DN lbs kg lbs kg lbs kg lbs kg lbs kg 3 4 20 23 10 1 25 ...

Страница 3: ...ts given in the Specifications section and or regulator nameplate Additionally physical damage to the regulator may result in personal injury or property damage due to escaping of accumulated gas To avoid such injury and damage install the regulator in a safe location Under enclosed conditions or indoors escaping gas may accumulate and be an explosion hazard In this case the vent should be piped o...

Страница 4: ...let of the main valve body Note bleed orifice in this fitting is vital to operation of regulator 3 Screw 8B tee into 1 8 in pipe tap in pilot Select tap facing downstream 4 Screw No 5B elbow into 1 8 pipe tap on underside of main valve diaphragm chamber 5 Connect tubing bends as illustrated in Figure 3 AT LEAST 20 PIPE DIAMETERS D2 TO FIRST TURN SECONDARY PRV OR CONTROL VALVE RECOMMENDED AT LEAST ...

Страница 5: ...se 1 4 in pipe for this line which connect the pilot diaphragm chamber to the desired point of pressure control 2 Take the control at a point of minimum turbulence Avoid control immediately at the valve outlet or after a turn 3 When the delivery pipe expands in size select a spot at least 4 pipe diameters beyond the point of enlargement 4 Pitch away from pilot to avoid erratic operation and excess...

Страница 6: ...g Failure to Open If the main valve failed to open check the following possible causes to properly correct the problem Adjusting spring on pilot may have been tampered with Initial pressure may be down due to partially closed supply valve clogged strainer or other obstruction No 4A bleed port fitting may have been omitted and an open coupling substituted Control pipe may be plugged Most likely poi...

Страница 7: ...ot recommended Check the following after operation Then schedule an inspection as required 1 Inspect for dirt collected at 4A bleed port 2 Inspect all joints for leakage Keep bolts tight to avoid any leaks Main Valve Maintenance See Figure 5 1 Connect a source of air or water pressure which can be adjusted by hand to the No 5B elbow 2 Apply 30 psi 2 07 bar to jack valve open and prevent stem from ...

Страница 8: ...00 WAL04 00518 00 WAL04 00518 00 WAL04 00518 00 WAL04 00521 00 WAL04 00521 00 WAL04 00548 00 WAL04 00548 00 WAL04 00520 00 WAL04 00520 00 12 Stem 125 lb Stem 250 lb Steam Internal balance Stainless Steel Stainless Steel Stainless Steel WAL04 05232 01 WAL04 05643 00 WAL04 05242 01 WAL04 05242 01 WAL04 11180 00 WAL04 05246 01 WAL04 05246 01 WAL04 05645 00 WAL04 05383 01 WAL04 05383 01 WAL04 03132 00...

Страница 9: ... 00522 01 WAL04 00515 00 WAL04 00522 01 WAL04 00519 01 WAL04 00523 00 WAL04 00519 01 WAL04 00523 00 WAL04 00516 01 WAL04 00517 01 WAL04 00524 02 WAL04 00524 02 12 Stem 125 lb Stem 250 lb Steam Internal balance Stainless Steel Stainless Steel Stainless Steel WAL04 05281 00 WAL04 05384 01 WAL04 08233 00 WAL04 05287 01 WAL04 05386 01 WAL04 05831 00 WAL04 05374 00 WAL04 05385 01 WAL04 10709 00 WAL04 0...

Страница 10: ...Figure 4 Type E5 Assembly Drawing NO 5A RESTRICTION ELBOW SERIAL NUMBER PLATE INNER VALVE ASSEMBLY SIZES 3 8 IN 1 1 2 IN PORT INCLUSIVE INTERNAL BALANCED INTEGRAL MOUNTED BLIND FLANGE 10 Type E5 ...

Страница 11: ...2 40 7 16 5 32 x 13 16 5 32 2 50 9 16 5 32 x 15 16 5 32 2 1 2 65 1 1 16 3 16 x 15 16 3 16 3 80 1 3 16 3 16 X 1 3 8 3 16 4 100 1 1 16 1 4 X 1 3 4 1 4 5 125 1 5 16 5 16 X 1 3 4 5 16 6 150 1 9 16 5 16 X 2 5 16 8 200 2 1 16 3 8 X 2 3 8 10 250 2 9 16 3 8 X 2 1 2 3 8 12 300 3 1 16 1 2 X 2 3 4 1 2 Table 6 Type E5 Main Valve K Values K TOTAL TRAVEL SETTING STEM SPRING BASE STOP PRESSURE PLATE DOWEL GROOVE...

Страница 12: ...are property of their prospective owners The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express 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...

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