- Model NO.: Q47F
- Connection Form: Flange
- Nominal Pressure: 150lb to 2500lb
- Structure: Fixed Ball Valve
- Function: Blow-Down Valve
- Application: Industrial Usage, Water Industrial Usage
- Class: 150lb to 2500lb
- Delivery Detail: 20~45 Days According to The Specific Quantities
- Trademark: NIPO/OEM
- Origin: Wenzhou, Zhejiang, China
- Material: Carbon Steel
- Driving Mode: Worm Gear
- Channel: Straight Through Type
- Type: Fixed Ball Valve
- Temperature: Normal Temperature
- Size: 2" to 40"
- Certificates: API 6D, CE, ISO9001
- Application Fields: Metallurgy,Light Industrial,Electric Power,Petroch
- Specification: API6D, ISO9001, CE, SGS, etc
- HS Code: 8481804090
Two Pieces/Three Pieces Cast Steel Body Ball Valve
Full Bore & Reduced Bore
Anti-static Device
Blow-out Proof Stem
Fire Safe Design
Emergency Sealant Injector
Vent Valve, Drain Valve
Lifting lugs and supporting feets(8" & larger)
Optional Lockable Handle Lever; Gear Box, Electric, Pneumatic & Hydraulic
Standard
Design: ASME B16.34/API 6D
Face to Face: ASME B16.10
End Flange: ASME B 16.5
BW End: ASME B16.25
Test: API 598
Fire Safe Test: API 607/API6FA
Special: NACE MR-01-75
Materials
BODY:
Carbon steel, Stainless steel, Low temperature carbon steel, Duplex, Special Alloys, ...Other materials under request
SOFT SEATS: PTFE, RPTFE, PEEK, DEVLON, NYLON, ...Other materials under request
METAL SEAT: Tungsten Carbide(TC), Stellited, Ni60...Other materials under request.
TRIM: A105+EP, 304, 316, 410, MONEL, ...Other materials under request
Double block and bleed design(DBB)
Double stem sealing.
The ball can maintain pressure sealing of pipeline when it is closed or fully opened.
Shorter upper sleeve reducces bearing load and operation torue
Limit device ensures the accurate opening and closing position of the valve
The vall and stem are separated so as to reduce stem load.
The stem adopts anti-blow-out design.
The sealing surface is inserted into te metal seat by polymer or plastic
The metalbacked self-lubricating PTFE bearing and PTFE thrust washers
Reduce the opening torque and prolong the service life of the valve.
Stem leakage can be prevented through the emergency grease fitting.
ApplicationÂ
Refinery
Chemical
Petrochemical
Power plant
Gas
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 | Body | ASTMÂ A216-WCBÂ Â A352-LCBÂ Â A351-CF8,CF8MK,CF3,CF3M,Duplex |
2 | Seat Spring | Inconel X-7505  SS304  SS316 |
3 | Seat Ring | ASTM A105+ENP  A182-F304,F316,F316L,F6,F51 |
4 | Seat | PTFEÂ Â RPTFEÂ Â PEEKÂ Â PPL |
5 | Ball | ASTMÂ A105+ENPÂ Â A182-F304,F316,F316L,F6,F51 |
6 | Key | 1045Â Â A182-F304,F316,F316L,F304L |
7 | Sliding Bearing | Stainless Steel+PTFE  SS316+PTFE |
8 | Thrust Washer | PTFE |
9 | O-ring | NBRÂ Vtion |
10 | Stud | ASTMÂ 193-B7,B7M,B8,B8M |
11 | Nut | ASTMÂ 194-2H,2HM,8,8M |
12 | Yoke | A216-WCB |
13 | Gland Flange | A216-WCB A3541-CF8 |
14 | Stem | A105+ENPÂ Â A182-F6,F304,F316,F316L,F304L,17-4PH,F51 |
15 | Packing | PTFEÂ Graphite |
16 | Screw | ASTMÂ A193-B7,B8 |
17 | Stem Injection | 1020+ZN  A182-F304,F316,F316L |
18 | Seat Injection | 1020+ZN  A182-F304,F316,F316L |
19 | Vent Valve | 1020+ZN  A182-F304,F316,F316L |
20 | Antistatic Spring | Stainless Steel SS316 |
21 | Bonnet | A216-WCBÂ A352-LCBÂ A351-CF8,CF8M,CF3,CF3M,Duplex |
22 | Body Gasket | PTFE SS304+Graphite  SS316+Graphite |
23 | Trunnion | A105+ENPÂ Â A182-F6,F304,F316,F316L,F304L,17-4PH,F51 |
24 | Bottom Cover | ASTM A105+ENP  A182-F304,F316,F316L |
25 | Lower Gasket | PTFE |
26 | Drain Valve | 1020+ZN  A182-F304,F316,F316L |
27 | Seat Sealing | Graphite |
28 | Gand Gasket | SS304+Graphite |
29 | Bottom Cover Gasket | SS304+Graphite |
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