info@welcovalve.com
TEL: 86-577-67279881
FAX: 86-577-67279880
+86-15067717767
Skype: welcovalve
Our Inconel V-shape ball valve with extension stem is side entry, one pieces body with V-shape ball, trunnion mounted, single directional design, Size 2" to 24", Diameter range from DN50 to DN600 that we can produce.
Features:
1. Two pieces or three pieces body, 2. Forged ball or hollow ball, 3. Firesafe design & Antistatic device, 4. Free leakage of body Sealed construction, 5. Low torque in operation, 6. Double block&bleed(DBB), 7. Emergency sealing, 8. Available extension stem, 9. Automatic body cavity relief, 10. Various driving types: gear, lever, electric, hydraulic, pneumatic
Standards Specifications
Design and manufacture: API 6D, ANSI B16.34, API 608, BS5351
Face to face dimensions: ANSI B16.10, API 6D
Flanged connection: ANSI B16.5, ANSI B16.47
Butt welded dimension: ANSI B16.25
Fire-safe design: API 607, API 6FA
Test and inspection: API 598, API6D
Material Specifications
Body/Cap: ASTM A216 WCB,A351 CF8, A351 CF8M, A351 CF3, A351 CF3M, A351 CN7M, 1A(CD4MCu)
Ball: A105, A182 F304, A182 F316, A182 F304L, A182 F316L, A182 F6a, A350 LF2, 1A(CD4MCu)
Stem/Trunnion: A105, A182 F304 A182 F316 A182 F304L A182 F316L, A182 F6a, A350 LF2, 1A(CD4MCu)
Seat: A105, A182 F304, A182 F316, A182 F304L, A182 F316L, A182 F6a, A350 LF2, 1A(CD4MCu)
Seat ring: PTFE / RPTFE / PPL / NYLON / PEEK / Graphite
O-ring: VITON, PTFE, NBR, Graphite
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, 304+Nitriding
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, nitriding treatment and so on.
Performance Test Specification for Ball Valve
|
Testing Specification |
ANSI Class (Lbs) |
|||||||
|
150 |
300 |
400 |
600 |
900 |
1500 |
2500 |
||
|
Test Pressure (MPA) |
Shell Test |
2.94 |
7.67 |
10.2 |
15.3 |
22.98 |
38.3 |
63.83 |
|
Seal Test |
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
Note: please choose different materials for different working conditions.
Application: Common type: water, steam, oil, liquid gas, natural gas etc; Anti-sulphur type: gas oil etc which contains h2s, co composition.