| Product type | Switch Valve |
| Product | Centerline Butterfly Valve |
| description |
| Model | D41X/F |
| Size | NPS 2”～48”(DN50～DN1200) |
| Operating temperature | -15℃～180℃ |
| Operating pressure | CLASS 150～300 （PN20～PN50） |
| Material | A216 WCB、WCC;A351 CF8、CF8M、CF3、CF3M、CF8C、A352 LCB、LCC .etc |
| standard | API 609、ASME B16.34 |
| Face to face | ASME B16.10 |
| Connecting end | ASME B16.5、ASME B16.47、ASME B16.25 |
| Test standard | API 598、ISO 5208 |
| Operation | handwheel ,worm wheel , electric ,pneumatic |
| Application fields | Water ,sewage, sea water,steam, natural gas, food, medicinal, oil and other acid-base pipeline |
| Other remark 1 | small size, portability, easily to be repaired, can be installed in any where |
| Other remark 2 | good sealing property, zero leakage |
| Other remark 3 | double current, unconstrained installation |
