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Safety Valve

Safety Valve
Safety Valve
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Product Code : 27
Product Description

Safety Valve

DESCRIPTION

WJ' CAST IRON SPRING LOADED SAFETY VALVE with 13% Cr. SS (AlSl-410) seat and stem are manufactured in Single Post as well as Double Post full lift design. These Safety Valves are set at Max. Pressure of 150 PSIG (10.54 Kg/Cm2).Max. Temp.- 428°F (220°C).

SALIENT FEATURES

  • These Safety Valves are Designed in such a way that instantaneous full lift to the seat is achieved.
  • Each Safety Valve is provided with an easing leven
  • To avoid un-authorised alteration to the Set Pressure the adjusting screw and check nut are connected by a cap which is attached to the Valve spindle by cotter and a pad lock.

TESTING AND CERTIFICATION

All Safety Valve Bodies are Tested at 300 PSIG (21.08 Kg/Cm2) Hydrostatic Pressure. All Valves are set at a Max. Steam Pressure of 150 PSIG (10.54 Kg/Cm2).
Each valve is supplied with IBR Test Certificate in Form III-C issued by The Director of Boilers, Punjab.

Technical Specifications

Dimensions (C.I. Single Post Safety Valve)

Nominal Size

A

B

C

D

T

D1

T1

H

25mm (1'')

108

90

25

121

13

114.5

13

430

40mm (1 1/2'')

120

102

38

140

19

133.5

16

525

50mm (2'')

140

121

50

165

22.2

152.5

19

580

65mm (2 1/2'')

152

135

65

184.5

22.2

165.1

19

800

80mm (3'')

178

160

76

203.5

22.2

184.5

19

813

100mm (4'')

190

186

100

228.6

25.5

216

22.2

900


Dimensions (C.I. Double Post Safety Valve)

Nominal Size

A

B

D

T

D1

L

H

25mm (1'')

40

40

139.7

17.5

133.5

150

480

40mm (1 1/2'')

57

63.5

184.5

22

165.1

165

585

50mm (2'')

73

76

203.2

22

184.5

190

670

65mm (2 1/2'')

90

90

215.9

25.4

203.2

203.2

890

80mm (3'')

115

115

254

25.4

254

254

940

100mm (4'')

147

147

304.8

28.5

279.4

280

1050


Name of Part

Material

Specification

Body

C.I.

IBR-86 to 93 Gr. A

Body Seat Ring

13% Cr. S.S.

AISI-410

Regulating Ring

Bronze

IBR-282 (a) IV Gr. B

Locking Screw for Regulating Ring

Bronze

IBR-282 (a) IV Gr. B

Valve Head

13% Cr. S.S.

AISI-410

Ball

S.S.

----

Stem

13% Cr. S.S.

AISI-410

Piston Liner

Bronze

IBR-282 (a) IV Gr. B

Locking Screw

Steel

----

Gasket

C.A.F.

IS : 2712

Chamber

C.I.

IBR-86 to 93 Gr. A

Bush for Chamber

Bronze

IBR-282 (a) IV Gr. B

Studs & Nuts for Body Bonnet

Carbon Steel

----

Bottom Spring Disc

C.I.

IBR-86 to 93 Gr. A

Spring

Carbon Steel

IBR-307-314

Upper Spring Disc

C.I.

IBR-86 to 93 Gr. A

Spring Adjusting Screw

Bronze

IBR-282 (a) IV Gr. B

Bush for Chamber Flange

Bronze

IBR-282 (a) IV Gr. B

Locking Screw

Steel

----

Gasket

C.A.F.

IS : 2712

Chamber Flange

C.I.

IBR-86 to 93 Gr. A

Bolts & Nuts for Chamber Flange

Carbon Steel

----

Check Nut

Bronze

IBR-282 (a) IV Gr. B

Housing Cap

C.I.

IBR-86 to 93 Gr. A

Pad Lock

----

-----

Locking Guard

Bronze

IBR-282 (a) IV Gr. B

Pin

S.S.

AISI-410

Easing Lever

M.I.

----

Drain Plug

Bronze

IBR-282 (a) IV Gr. B




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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