Duo-Chek閥門(mén)早已成為低壓降、防反向流保護(hù)的代表。這些閥門(mén)是由鑄鐵、鑄鋼、不銹鋼和各種各樣的合金材料制成。
 
Duo-Chek止回閥可提供無(wú)固定器的結(jié)構(gòu)設(shè)計(jì)，符合API594面間距尺寸，鋼制閥體，分對(duì)夾式和支耳式兩種結(jié)構(gòu)，閥門(mén)內(nèi)件有多種材料可選，包括金屬密封和彈性軟密封閥座。
該閥門(mén)尺寸為48"，壓力等級(jí)高達(dá)Class 4500。
 
Duo-Chek高性能止回閥
Duo-Chek高性能無(wú)撞擊止回閥是源自上世紀(jì)五十年代末期在市場(chǎng)上推出的Mission對(duì)夾式止回閥。
可按您的要求提供閥門(mén)口徑、壓力等級(jí)和結(jié)構(gòu)型式，以滿足應(yīng)用中苛刻的要求。

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.