API 609 centerline butterfly valve, 1 1/2"-50" soft seat QT,cs and SS material
A resilient seated butterfly valve with superior design features and materials of construction to provide repeatable tight shutoff in severe abrasive and corrosive environments for a variety of applications.
Size: 1½ - 50"
Class: 150
Temperature: 14° to +300°F (-10° to +149°C)
Face to Face: All short pattern
Body Types: Wafer w/ Centering Lugs, Wafer, Lugged, Flanged
Technical parameters and characteristics:
Product type | ON/OFF |
Product description | Centerline type butterfly valve |
Model | D41X-centerline type butterfly valve |
Nominal diameter | NPS 2”~40”(DN50~DN1000) |
Operating temperature | -15℃~150℃ |
Nominal pressure | CLASS 150~300 (PN20~PN50) |
Material | Main material: A216 WCB,WCC; A351 CF8,CF8M,CF3,CF3M,CF8C,A352 LCB,LCC, QT,CI etc. |
Design standard | API 609,ASME B16.34 |
Structural length | ASME B16.10,GB/T 12221 |
Connecting end | ASME B16.5,ASME B16.47,ASME B16.25,GB/T 9113 |
Test standard | API 598,ISO 5208,GB/T 26480,GB/T 13927 |
Operation method | Handle, worm, motor-drive unit, pneumatic drive unit |
Application fields | Fresh water, sewage, seawater, brine, steam, natural gas, food, drug, oils and various acids and alkali, and other pipelines |
Other remarks 1 | Small, light, installation, disassembly and repair friendly (can be installed at any position) |
Other remarks 2 | Simple and compact structure, and quick opening and closing with 90° rotation |
Other remarks 3 | Small operating torque easy for opening and closing |
Other remarks 4 | Flow characteristics almost in straight line, and good adjustment function |
Other remarks 5 | Long service life (tested for over 10,000 times of opening and closing) |
Other remarks 6 | Good sealing performance of zero leakage |
Other remarks 7 | Two flow directions, no restriction for installation |