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Stop Cum Non Return Valve

Stop Cum Non Return Valve
Stop Cum Non Return Valve
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Product Code : 29
Product Description

Stop Cum Non Return Valve

DESCRIPTION

WJ' CAST IRON GLOBE STOP-CUM-NON RETURN VALVE Straight or Right Angle Type. Bolted Bonnet, outside Screw and Yoke Type Rising Stem and Back Seat Arrangement with Renewable SS (AlSl-410/AISI-304) Seat and stem Flanged Ends. Flanges of Valves upto 200 mm Sizes are as per DIN-2533, PN-16 Raised Face and flanges of valves above 200 mm size are as per DIN 2532, PN-1 O Raised Face.

SALIENT FEATURES

  • Provision of Back Seat Arrangement for on line Replacement of Gland Packing when valve is full open.
  • Minimum Pressure drop due to stream lined flow throughout the body.
  • High lift to avoid obstruction in the flow way.
  • Sturdy Hand Wheel operation with ample grip and clear from top of Yoke.


TESTING AND CERTIFICATION


All valves are Tested at Double the Max. Working Pressure. Each valve is supplied with IBR Test Certificate in Form III-C issued by The Director of Boilers, Punjab.

Technical Specifications

Test Pressure

Nominal Size

Nominal Pressure (PN)

Body Test Pressure

Max. Steam Working Pressure

Max. Temp.

15 mm to 200 mm

16

26 Kg/Cm2

13 Kg/Cm2

220oC

250 mm to 300 mm

10

17 Kg/Cm2

8.5 Kg/Cm2

220oC


Dimensions

Nominal Size

A

A1

B

C

D

E

F

G

DN 15 (1/2'')

130

90

155

120

95

45

14

2

DN 20 (3/4'')

150

95

160

120

105

58

16

2

DN 25 (1'')

160

100

180

140

115

68

16

2

DN 32 (1 1/4'')

180

105

210

140

140

78

18

2

DN 40 (1 1/2'')

200

115

225

190

150

88

18

3

DN 50 (2'')

230

125

255

190

165

102

20

3

DN 65 (2 1/2'')

290

145

300

250

185

122

20

3

DN 80 (3'')

310

155

320

250

200

138

22

3

DN 100 (4'')

350

175

360

300

220

158

24

3

DN 125 (5'')

400

200

425

300

250

188

26

3

DN 150 (6'')

480

225

475

350

285

212

26

3

DN 200 (8'')

600

275

550

400

340

268

30

3

DN 250 (10'')

730

325

604

450

395

320

28

3

DN 300 (12'')

850

375

650

450

445

370

28

4


Materials

Name of Part

Materials

Specifications

Nut for Handwheel

Carbon Steel

----

Washer

Carbon Steel

----

Hand Wheel

C.I.

IS : 210 FG 200

Stem

13% Cr. S.S.

AISI-410

Locking Screw

Carbon Steel

----

Yoke Bush

13% Cr. S.S.

AISI-410

'I' Head Bolts & Nuts

Carbon Steel

-----

Gland

C.I.

IBR 86 to 93 Gr. A

Packing

Graphited Asbestos

----

Studs & Nuts

Carbon Steel

----

Bonnet

C.I.

IBR 86 to 93 Gr. A

Gasket

C.A.F.

IS : 2712

Disc Nut

13% Cr. S.S.

AISI-410

Valve Disc

C.I.

IBR 86 to 93 Gr. A

Disc Facing Ring

13% Cr. S.S.

AISI-410

Body Seat Ring

13% Cr. S.S.

AISI-410

Body

C.I.

IBR 86 to 93 Gr. A



NETA VALVES PVT. LTD.
X


NETA VALVES PVT. LTD.
A-11, Industrial Focal Point, Jalandhar - 144004, Punjab, India
Phone :+918068341392
Fax :91-181-2602458/2602457
Key Personnel

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