Standard:
1. Design and Manufacture: DIN, ANSI, BS etc.
2. FFace to Face : DIN, ANSI, BS etc.
3. End Flange Dimensions : DIN, ANSI, BS etc.
4. Nominal Pressure : Class 125lb, 250lb, 1.0Mpa, 1.6Mpa
5. Pressure test : API 598 ISO5208
Structure：
Main parts material
|
1
|
Body
|
Cast rion or ductile iron
|
|
2
|
Seat
|
Brass/bronze
|
|
3
|
Disc
|
Cst iron or Ductile iron
|
|
4
|
Hange
|
Cast iron or Ductile iron
|
|
5
|
Ingo pin
|
Stainless steel
|
|
6
|
Bonnet
|
Cast iron or Ductile iron
|
Main Dimensions
Unit:mm
|
DN
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
|
L
|
204
|
217
|
242
|
292
|
330
|
356
|
495
|
622
|
698
|
|
H
|
120
|
135
|
148
|
180
|
205
|
230
|
258
|
391
|
427
|
|
D
|
152
|
178
|
190
|
229
|
254
|
279
|
343
|
406
|
483
|