info@welcovalve.com
TEL: 86-577-67279881
FAX: 86-577-67279880
+86-15067717767
Skype: welcovalve
Our Four Way Ball Valve is top entry with forged solid ball, trunnion mounted design, Size 2" to 24", pressure range 150Lb to 2500Lb, 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.