info@welcovalve.com
TEL: 86-577-67279881
FAX: 86-577-67279880
+86-15067717767
Skype: welcovalve
We are a famous F304 forged steel ball valve supplier in China, materials also available carbon steel and duplex steel. Size 2" to 56", pressure 150Lb to 2500Lb. Please contact us for more information.
Features:
1.Forged ball
2.Anti-fire safe design
3.Anti-static device
4.Free leakage of body Sealed construction
5.Low torque in operation
6. Double block&bleed(DBB)
7.Emergency sealing
8.Extension stem at your choice
9.Automatic body cavity relief
10.Various driving types: gear, lever, electric, hydraulic, pneumatic
Standards Compliance
Design and manufacture: ANSI B16.34, API 608, API 6D, BS5351
Face to face dimensions: ANSI B16.10, API 6D
Flanged connection: ANSI B16.5, ANSI B16.47
Butt welded: ANSI B16.25
Fie-safe: API 607, API 6FA
Test and inspection: API 598, API6D
Performance Specification For Ball Valve
|
Technical Specification |
PN(Mpa) |
ANSI Class (Lbs) |
|||||||||||
|
1.6 |
2.5 |
4.0 |
6.4 |
10.0 |
150 |
300 |
400 |
600 |
900 |
1500 |
2500 |
||
|
Test Pressure (MPA) |
Shrength Test |
2.4 |
3.75 |
6.0 |
9.6 |
15.0 |
2.94 |
7.67 |
10.2 |
15.3 |
22.98 |
38.3 |
63.83 |
|
Seal Test |
1.76 |
2.75 |
4.4 |
7.04 |
11.0 |
2.16 |
5.62 |
7.48 |
11.23 |
16.85 |
28.08 |
46.81 |
|
|
Air Test |
0.55+/-0.07 |
||||||||||||
|
Applicable temperature: -196 C degree to 550 C degree |
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Standard Material Specifications
Body: A105, A182 F304, A182 F316, A182 F304L, A182 F316L, A350 LF2
Cap: A105, A182 F304, A182 F316, A182 F304L, A182 F316L, A350 LF2
Ball: A105, A182 F304, A182 F316, A182 F304L, A182 F316L, A182 F6a, A350 LF2
Stem: A105, A182 F304 A182 F316 A182 F304L A182 F316L, A182 F6a, A350 LF2
Seat: A105, A182 F304, A182 F316, A182 F304L, A182 F316L, A182 F6a, A350 LF2
Seat ring: PTFE/RPTFE/NYLON/PEEK
Fixed trunnion: A105, A182 F304, A182 F316, A182 F304L, A182 F316L
O-ring: VITON, PTFE, NBR
Seat spring: 17-7PH/Inconel/304/316
Cover bolt: A193 B7, A193 B8, A193 B8M, A320 L7
Cover nut: A194 2H, A194 8, A194 8M, A194-4
Bearing: SF-1, 304SS/PTFE
We also have special treatment to ball, seat, stem for metal to metal application, such as hardface 13Cr overlay welded, stellite 6 welded, TSC, Ni60 coating, nitrided treatment and so on.