| 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 |
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