Keystone K-LOK Series H High Performance Butterfly Valve
The Keystone K-LOK offers a high cycle life and a lower cost of ownership due to its unique seat designs which provides bi-directional, drop-tight shutoff in vacuum as well as at full rated differential pressure.Series H2 ASME Class 300 / 50 bar.This product is only available in Europe.
Keystone K-乐提供了较高的周期寿命和较低的拥有成本，因为其独特的座椅设计，提供双向的，在真空和在全额定差动压力下的关闭。系列H2 ASME级300/50巴，该产品只在欧洲提供。
· Increased operator safety is provided by a standard blow-out proof shaft which meets the requirements of API 60.
· Flexibility is provided by a unique packing design which is suitable for both pressure and vacuum without modification or special assembly.
· Positive shutoff and maximum seat life is achieved due to a cast in disc stop that perfectly aligns the disc into the seat.
· Reduced downtime and increased valve life is achieved by positioning the bearings close to the disc, providing maximum shaft support.
· Actuator mounting integrity is increased due to the ability to direct mount to the valve top plate without the use of brackets and couplings.
· Maintenance of packing is made easy due to an extended neck which allows for clearance of pipe insulation.
· All valves comply with Pressure Equipment Directive (PED), CE marking.
· 增加操作人员的安全是由一个标准的防爆轴，它符合API 60的要求。
AKVALVE - EMERSON KEYSTONE VALVE - SPOT SALES SERVIC CHANNEL