Pressure Reducing Valve

Parts

Qty.

Material

Body

1

astm a 216 gr. wcb

Seat ring

-

13 % cr. ss. facing ( ss 304 )

Main valve disc

1

s.s. aisi 304

Main valve spring

1

spring steel (c.s.)

Bush

1

s.s. aisi 304

Bottem flange gasket

1

compressed asbestos fiber

Bottem flange

1

carbon steel

Bottom flange stud & nut

4

carbon steel

Piston

1

s.s. aisi 304

Piston ring

2

cast iron

Piston cylinder

1

s.s.aisi 410/ aisi 304

Centre plate

1

carbon steel

Body stud & nut

6

carbon steel

Centre plage gasket

1

compressed asbestos fiber

Pilot valve gasket

1

compressed asbestos fiber

Pilot valve spring

1

spring steel (c.s.)

Pilot valve gasket

1

compressed asbestos fiber

Pilot valve

1

s.s. aisi 410 / 304

Pilot valve seat

1

s.s. aisi 410 / 304

Spring button

1

carbon steel

Plug

2

carbon steel (1/4” b.s.p)

Pilot valve body stud & nut

4

carbon steel

Pilot valve body

1

carbon steel

Diaphragm gasket

2

compressed asbestos fiber

Diaphragm

1

phospherous bronze / s.s.

Housing stud & nut

4

carbon steel

Adjusting spring housing

1

astm a 216 gr. wcb / c.s.

Adjusting spring

1

spring steel ( c.s.)

Spring button

1

carbon steel

Lock nut

1

carbon steel

Adjusting bolt

1

carbon steel

SIZE

A'

NB'

D'

T'

RF.D'

No. of H'

Ø 'H'

PCD

L'

1"/25

200

25

121

14.3

63.5

4

18

87.3

300

1-1/2"/40

210

38

140

17.5

82.5

4

18

104.7

340

2"/50

265

51

165

19

102

4

18

127

360

2-1/2"/65

275

64

184

19

114.5

8

18

146

380

3"/80

320

76

203

22.2

127

8

18

165

400

4"/100

342

102

229

25.4

152.5

8

18

190.5

435

6"/150

470

152

305

28.6

210

12

22.2

260.3

480