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Lixin Triple Offset Butterfly Control Valve is engineered for high-pressure/temperature applications, featuring a unique three-offset sealing mechanism that ensures bubble-tight shut-off performance. Its specialized design guarantees reliability in demanding industrial environments.
| Size Range | NPS 3” – 64” |
| Pressure Rating | PN16/PN25/PN40; CLASS150(PN20)/CLASS300(PN50) |
| Temperature Rating | -20℃~425℃ |
| Leakage Level | Zero Leakage |
| Main Material | Carbon Steel, Stainless Steel, Duplex steel etc. |
| Stem Material | Stainless Steel, 17-4PH, K500, F6a |
| Trim Material | Metal：304+SN/304+SN, 304+ST/304+ST；Soft：304+HC/RPTFE |
| Seal Material | PTFE, Flexible graphite |
| Application | Isolation and Control, High Temperature, Cryogenics, Extraction Vapor Isolation, Oil and Gas Isolation and Control, Nuclear Containment, Service Water, Condensed Circulating Water, Severe Service |
Offset 1:
The centerline of rotation axis/stem and seat deviate from each otherfor a certaindistance to ensure the integrityof thesealing surface;
Offset 2:
Thecenterlineofrotation axis/stem and bodydeviatefrom each otherfor a certaindistance toreduce thefrictionbetween thesealing componentswhen
open and close the valve.
Offset 3:
The centerline of valve body and conical seat sealing face deviate from each other for a certain angle to ensure the sealing ring of the disc can be separated or
touchedwithseatrapidlysothatfriction andsqueezewill notexistbetweenthesealingcomponents.
Add: No.1388 Wangjiawu Road, Ma'ao Community, Oubei Street, Yongjia County, Wenzhou, Zhejiang
PC:325102
Tel:+86-577-67997089
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