Technical data |
Design | API609,BS5155,ASME B 16.34,DIN3354, |
Face to Face | ASME B16.10,EN 558,DIN 3202 |
Pressures range | ANSI 150 ~ANSI 2500 ,PN6~PN420 |
Size range | DN50(2") ~DN2500 (96") |
Body Material | Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.etc. |
NACE MR-01-75/NACE MR-01-03 Special Requirements |
Face to Face | ASME B 16.10,EN 558,DIN3202 |
Fange,Wafer,Lug Ends | ASME B16.5 ≤ DN600 (24") ASME B16.47 A ≥ DN650 (26") |
BS 4504,DIN 2543-2545,EN1092 |
Butt-Weld BW Ends | ASME B16.25 ,DIN 3239,BS 2080, EN 12627 |
Temperature range | -29°~ 425°C |
| |
Design Feature |
Construction | Centric/Center line type ,Double offset type,triple offset type |
Disc Type | Round Disc |
Seat Sealing | Metal seat ,soft seat ,double sealing performance. |
Valve Operation | Gear,pneumatic,Hydraulic,Electric actuators. |
By passes,locking devices,extended stem,etc |
Fire Safe Design | API 607, API6FA ,BS6755 |
Inspection and Test |
Visual Inspection | MSS SP55 |
Material Inspection | PMI Test----Chemical Analysis |
HB Test---Hardness Test |
UT---Ultrasonic Test |
RT---Radio-graphic Test |
MT---Magnetic Test |
NDT Test Non-destructive |
Dimension inspection | According to drawings |
Valve Inspection and Test | API 598,DIN 3230,EN 12266,BS 5146 |