High Performance Butterfly Valves SERIES 51, 51L Class 300

SERIES 51, 51L Class 300


SERIES 51, 51L Class 300




OUR PRODUCTS


High Performance Butterfly Valves are designed and developed with new advanced technology to meet full specifications and requirement of Process Industries giving bi-directional shut off and meeting Fire Safe Test Requirement of API-607

Fire Safe

A secondary lip type, pressure assisted, metal seat gives bi-directional sealing once the PTFE seat burns away after the fire.


High Temperature Service

Combination of seat and disc materials suitable up to 600°C.


Double Offset

The axis of the disc rotation is double offset to the seat. When the disc rotates it unseats at a small turning angle by it’s cam effect. This outstanding feature enables,


Bubble type shut off over extended period of service.
Greatly reduced seat wear

Overtravel Stop

Prevents the disc from overtravelling and damaging seat.


Spherical Disc

Contacts the seat ring smoothly.


Face to Face : API 609
End Flanges : ANSI B16.5
Wall Thickness : ANSI B16.34
Fire Safe : API 607
Body : WCB, CF8, CF8M, CD3MWCuN
Disc : CA15, CF8, CF8M, CD3MWCuN
Seat Retainer : CF8, CF8M, CD3MWCuN
Bottom Cover : WCB, CF8, CF8M, CD3MWCuN
Gland Flange : WCB, CF8, CF8M
Yoke : WCB, CF8M
Stem : 410, 304, 316, UNS32760
Spacer : 410, 304, 316, UNS32760
Taper Pin Set : 410, 304, 316, UNS32760
Thrust Bearing : 410, 304, 316, UNS32760
Gland : 410, 304, 316, UNS32760
Seat : PTFE+SS316 PTFE+INCONEL
Upper Stem BRG : SS304, SS316, INCONEL, GFT
Lower Stem BRG : SS304, SS316, INCONEL, GFT
Packing : Grafoil, PTFE
Bot Cover Seal : Grafoil, PTFE
HSH Cap Screw : SS304, SS316
Gland Stud/Nut : Gr 8.8/8, B7/2H, SS316
Yoke Stud/Nut : Gr 8.8/8, B7/2H, SS316
Hex Screw : SS304, SS316
Note :

Butterfly Valves Can Also be Provided with Gear , Actutator ( electrical / pnuematic )

SPECIFICATIONS

 

SIZE

A

ØB

ØC

D

E

G

H

ØH1

J

Wt.(kg)

50

43

62

46

204

92

8

5/8" UNC

19

127

7

65

46

75

58

219

105

8

3/4" UNC

22.3

149

9

80

48

92

69

234

116

8

3/4" UNC

22.3

168.5

10

100

54

114

91

259

126

8

3/4" UNC

22.3

200

13

125

56

132

120

275

150

8

3/4" UNC

22.3

235

20

 

 

SIZE

A

ØB

ØC

D

E

ØF

G

H (UNC)

J

P

Q

Wt.(kg)

150

59

158

141

490

175

310

12

3/4"

270

- -

- -

38

200

73

214

187

620

210

450

12

7/8"

330

- -

- -

57

250

83

264

230

660

240

450

16

1"

387.5

15

20

90

300

92

314

293

735

285

500

16

1-1/8"

451

15

20

125

350

117

354

313

770

315

500

20

1-1/8"

514.5

15

20

180

400

133

399

362

810

355

500

20

1-1/4"

571.5

18

22

315

450

149

454

410

850

385

500

24

1-1/4"

628.5

18

22

390

500

159

494

452

950

420

500

24

1-1/4"

686

20

30

550

600

181

584

540

980

490

500

24

1-1/2"

813

20

30

725

 

 

Get in Touch


M19-20, INDUSTRIAL ESTATE,
UDYAMBAG, BELGAUM-590008.
KARNATAKA, INDIA
Phone : (0831) -2441180, 2441952
Website : www.aquavalv.com

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