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| Size:: | NPS 1 1/2"~50" | Pressure Rating:: | Class 150 | 
|---|---|---|---|
| Material:: | WCB, WCA, WCC,WC6, QT, DI,C12, LCB, LCC, CF8, CF8M, CF3, CF3M, CN7M, CF8C,etc | Design & Manufacturing Standard:: | API 609, ASME B16.34, BSEN 593 | 
| Face To Face:: | API 609, BSEN 558 | Flanged Dimenson:: | ASME B16.5 ,ASME B16.47, BSEN 558 | 
| Test And Inspection:: | API 598, BSEN 12266 | Operation Method:: | Manual ,Worm Gear, Electric Actuator,Pneumatic Actuator | 
| Highlight: | lug style butterfly valve,soft seat butterfly valve | ||
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 | 
Contact Person: Mr. Wesley Wei
Tel: 86-15618368918