Stainless Steel Double Bleed and Block Flange and NPT Floating DBB Ball Valve
Features:
Three, Two-Pieces Forged Body
Floating Type, Full & Reduced Bore
Blow-out Proof Stem
Fire Safe Design
Specifications:
Design: ASME B16.34/BS 5351
Face to Face: Manufacturer Standard
Screwed End: ASME B1.20.1
SW, BW, End: ASME B16.11
Test: API 598
Fire Safe Test: API 607/API 6FA
PRODUCTS
WORKSHOP
INSPECTION
We welcome all the world customers to contact us for more cooperation.
With our years of technical knowledge and experience, we assure you,
Naibang will be one of your best parters in China.
Features:
Three, Two-Pieces Forged Body
Floating Type, Full & Reduced Bore
Blow-out Proof Stem
Fire Safe Design
Specifications:
Design: ASME B16.34/BS 5351
Face to Face: Manufacturer Standard
Screwed End: ASME B1.20.1
SW, BW, End: ASME B16.11
Test: API 598
Fire Safe Test: API 607/API 6FA
PRODUCTS
WORKSHOP
INSPECTION
We welcome all the world customers to contact us for more cooperation.
With our years of technical knowledge and experience, we assure you,
Naibang will be one of your best parters in China.
No. | Part | Material |
| 1 | Bonnet | ASTM A105+ENP A182-F6,F304,F316,F316L,F304L,F51 |
| 2 | Seat | PTFE RPTFE PEEK PPL |
| 3 | Body Gasket | PTFE Graphite |
| 4 | Thrust-Washer | A105+ENP A182-F6,F304,F316,F316L,F304L,17-4PH,F51 |
| 5 | Stem | Stainless Steel |
| 6 | Stop Nut | Carbon Steel |
| 7 | Spring Gasket | A216-WCB 10256+Cr |
| 8 | Lever | ASTM A182-F304,F316 |
| 9 | Backup Ring | 1015+Cr Carbon Steel+Cr |
| 10 | Limited Plate | Stainless Steel |
| 11 | Positioning pin | PTFE Graphite |
| 12 | Packing | PTFE |
| 13 | "O"-Ring | NBR Viton |
| 14 | Antistatic Spring | Stainless Steel SS316 |
| 15 | Ball | ASTM A105+ENP ASTM A182-F6,F304,F316,F316L,F51 |
| 16 | Body | ASTM A105+ENP A182-F6,F304,F316,F316L,F304L,F51 |
| 17 | Stud | ASTM A193-B7,B8M,B8,B8M |
| 18 | Nut | ASTM A194-2H,2HM,8,8M |