7.1.21

2

Bonnets

DN15 - DN80

DN100

Materials

No. Part

1

Body

Material

Cast steel

Forged steel

Cast steel

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Graphite

Steel

DN

ANSI

DIN

ANSI

DIN

ANSI

DIN

ANSI

DIN

ANSI

EN 10213-2 GP240GH

ASTM A 216 WCB

DIN 17243 C22.8

ASTM A 105 N

EN 10213-2 GP240 GH

ASTM A 216 WCB

AISI 420

DIN17440 X30 Cr13

DIN17440 X6CrNiTi 1810

AISI 420

BS 1449 CR4

3

Seats

4

Discs

5

Bellows

6

Stems

7

Handwheels

8

Stem packing

9

Bonnet studs

10 Bonnet nuts

11 Body/bonnet gaskets

Steel

Graphite laminated with stainless steel insert

17240 24 Cr Mo 5

ASTM A 193 B7

DIN 17240 Ck 35

ASTM A 192 2 H

Dimensions/weights (approximate in mm and kg)

C

B

D

Size

DN15

130

A

B

C

D

E

Weight

PN

DN20

150

ANSI 300

DN25

160

DN40

200

DN50

230

DN65

290

DN80

310

DN100

350

152

251

178

248

203

260

229

295

267

307

292

342

318

375

356

503

125

106

61.5

8.3

125

106

61.5

9.2

125

107

63.0

10.5

200

117

73.0

20.8

200

121

83.5

25.2

200

129

100.0

37.1

200

136

118.0

51.4

315

147

147.5

92.0

C

7

2

8

Pipeline ancillaries

Bellows sealed stop valves

Page 2 of 3

1

10

9

11

6

Spirax SafeBloc

TM

DBB3 Double Block and Bleed Bellows Sealed Stop Valve

TI-P184-08 ST Issue 5

5

4

3

E

B

A