Fireriser© Butterfly Valves  
 

Wafer Type

Fig No : Fireriser DW 175PSI
 
 
 
Materials List
 

Component

Material

Body

Ductile Iron ASTM A536 EPDM Encapsulated

Disc

Ductile Iron ASTM A536 Nylon coated

Stems

Stainless Steel AISI 420

Worm Gear Shaft

Stainless Steel AISI 420

Gear Housing

Ductile Iron ASTM A 536 65-45-12

Handwheel

Ductile Iron ASTM A 536 65-45-12

Segment Gear

Bronze ASTM B-148/ASTM B584

Gasket and “O” rings

EPDM Grade “E”


 

General Dimensions

 

Size
inch mm

A
inch mm

B
inch mm

C
inch mm

D
inch mm

E
inch mm

F
inch mm

G
inch mm

H
inch mm

2-1/2” 65

4.10 105

3.30 85

1.80 46

3.60 92

5.30 135

5.30 135

4.90 125

0.40 9.5

3” 80

4.40 112

3.60 92

1.80 46

4.20 107

5.60 142

5.30 135

4.90 125

0.60 16.0

4” 100

5.70 145

4.30 108

2.00 52

5.00 128

6.90 175

5.30 135

4.90 125

1.00 25.0

6” 120

7.10 180

5.70 145

2.00 56

7.10 181

8.30 209

7.60 193

8.90 225

1.80 45.3

8” 200

8.00 204

6.70 170

2.40 60

9.20 234

9.10 234

7.60 193

8.90 225

2.70 68.5