简要说明：

　　Duo-Chek阀门早已成为低压降、防反向流保护的代表。这些阀门是由铸铁、铸钢、不锈钢和各种各样的合金材料制成。
 
Duo-Chek止回阀可提供无固定器的结构设计，符合API594面间距尺寸，钢制阀体，分对夹式和支耳式两种结构，阀门内件有多种材料可选，包括金属密封和弹性软密封阀座。
该阀门最大尺寸为48”，压力等级高达Class 4500。
 
Duo-Chek高性能止回阀
Duo-Chek高性能无撞击止回阀是源自上世纪五十年代末期在市场上推出的Mission对夹式止回阀。
可按您的要求提供阀门口径、压力等级和结构型式，以满足应用中最为苛刻的要求。
Duo-Chek® High Performance Non-Slam Check Valves
Duo-Chek® valves have long been the standard for low-pressure drop flow reversal protection. These valves are made from cast iron, cast steel, stainless steel, and a broad variety of exotic materials.
 
Duo-Chek offers retainerless designs to API 594 end-to-end dimensions in steel bodied wafer and lug style with a wide variety of trim materials including both metal and resilient seats. Valves come in sizes up to 88" and pressure ratings up to class 4500.
Duo-Chek® high performance non-slam check valves are the original Mission Manufacturing Company wafer check valves introduced to the market in the late 50's. The valve is available in the sizes, pressure classes and configurations required to meet the most demanding of applications. Our product range includes, but is not limited to:
Sizes: 2" to 88"
ASME Pressure Class 125 through 2500
API 6A and 6D pressure classes
DIN, JIS, BS, AS, and ISO standards are also available
Wafer, lug, double flanged and extended body styles
Configurations available in retainered and retainerless style
Body Materials: Cast Iron, Carbon Steel, Stainless Steels, Duplex Stainless Steel, Super Duplex
Resilient Seat Materials: EPDM, Buna-N, Neoprene, and Viton-B®
Integral and overlaid metal seats also available
End Connections: Raised Face, Plain Face, Ring Joint, Weld-End, Hub-End

Viton® is a registered trademark of DuPont Performance Elastomers L.L.C.

售后服务

本着“质量第一，用户是上帝”的效劳目的，严厉遵从ISO9001-2000世界质量体系认证所断定的质量管理程序及质保系运作，参加贵公司的阀门招标活动，咱们严肃许诺：咱们愿以一流牢靠商品的质量、公道合理的报价、杰出及时的售后效劳，参加竞赛，并诚挚为贵用户效劳。供货后，我厂将派出专业技术人员对商品进行装置调试，对买方人员进行技术指导及商品的保护、养护训练。