- Model NO.: Q41F
- Connection Form: Flange
- Nominal Pressure: 150lb to 2500lb
- Structure: Floating Ball Valve
- Function: Blow-Down Valve
- Application: Industrial Usage, Water Industrial Usage
- Class: 150lb to 2500lb
- Application Fields: Metallurgy,Light Industrial,Electric Power,Petroch
- Specification: API6D, ISO9001, CE, SGS, etc
- HS Code: 8481804090
- Material: Forged Steel
- Driving Mode: Manual
- Channel: Straight Through Type
- Type: Floating Ball Valve
- Temperature: Normal Temperature
- Size: 1/2" to 4"
- Certificates: API 6D, CE, ISO9001
- Trademark: NIPO/OEM
- Origin: Wenzhou, Zhejiang, China
Two Pieces /Three Pieces Forged Steel Body
Floating Ball, Full&Reduced Bore
Anti-static Device
Blow-out Proof Stem
Fire Safe Design
Low Emission
Specifications:
Design: ASME B16.34/BS5351
Face to Face: ASME B16.10
End Flange: ASME B 16.25
BW End: ASME B16.25
Test: API 598/BS 6755
Fire Safe Test: API 607/API6FA
Special: NACE MR-01-75
Floating ball valve design feature:
Live loaded gland flang
Live loading is designed to provide gland load retention, compensating for expected in-service consolidation of packing. A set of belleville spring washers are used on each gland stud to help exert a continuous compressive force on the gland follower flange and therefore reduce fugitive emissions from the stem packing. ARITA standard belleville-spring washers are protected by a weatherproof cap to keep them free from environmental contamination, resulting in a long stable life.
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Naibang will be one of your best parters in China.
| No. | Part | Material |
| 1 | Bonnet | ASTMÂ Â A105+ENPÂ Â A182-F6,F304,F316,F316L,F304L,F51 |
| 2 | Seat | PTFEÂ Â RPTFEÂ Â PEEKÂ Â PPLÂ |
| 3 | Body Gasket | PTFE  Graphite |
| 4 | Thrust-Washer | A105+ENPÂ Â 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 | ASTMÂ Â 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 | NBRÂ 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 | ASTMÂ Â A193-B7,B8M,B8,B8M |
| 18 | Nut | ASTMÂ Â A194-2H,2HM,8,8M |
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