Check Valve
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Back Flow Preventing Valve with Push-In Fitting Check Valve Series Threaded port to push-in connect port type: comes with Nickel-plated body (small sizes) or Aluminum body (large sizes) * Inexpensive models come with plastic body Threaded port to threaded port type: comes with Nickel-plated body (small sizes) or Aluminum body (large sizes) * Inexpensive models also come with nickel-plated body but the poppet is made of POM push-in connect to push-in connect union type: comes with Anodized aluminum body (small sizes) or Aluminum body (large sizes) * Inexpensive models come with plastic body * Low cracking Pressure type comes with plastic body (Diaphragm opening pressure: 0.73psi) * Low cracking pressure PP type comes with translucent polypropylene body and the metal parts are made of SUS304 (Diaphragm opening pressure: 0.73p

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■ Standard Size List Connection: Thread ⇔ Tube  Metallic body Type  Plastic main body Thread size Metric, R or BSPT thread Type CVPC Straight NPT, UNF thread Type CVPC Straight Metric, R or BSPT thread Thread size Connection: Tube ⇔ Tube (Equal dia.) Type CVU In-Line Straight CVLU In-line Straight Low Cracking PCVLU In-line Straight PP + SUS304 Type CVU Union Straight CVPU Union Straight CVLU In-line Straight Low Cracking PCVLU In-line Straight PP + SUS304 Connection: Tube ⇔ Tube (Unequal dia.) Type CVG Unequal Union Straight Connection: Male thread ⇔ Female thread Type CVF Bush (NPT)...

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■ Model Designation (Example) CV ⑥ Inch Hex. ⑤ Control direction Check Valve ④ Thread size ③ Tube dia. / Thread size ① Material option No code：Metal type P：Resin type (Only available for CVC and CVU with tube dia. 4/6/8mm and CVF Rc1/8 and Rc1/4) ※ . Material of Bush type (CVPF) body is metal and Poppet is resin. In-Line Straight In-Line Reducer ③ Tube dia. / Thread size Connection Code Size (inch) Taper pipe thread (Male) N1 N2 N3 N4 ※ R thread is same as BSPT ④ Thread size( ※ . Female threads are for CVF, CVPF types only) Connection Size (inch) UNF thread Taper pipe thread (Male or...

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In-Line Straight Low Cracking Pressure Check Valve Low Cracking Pressure type ① Tube dia. Union type only ■ Specifications Fluid medium Operating pressure range Opening pressure Min. opening differential pressure Operating temp. range ※ Opening pressure is the initial pressure on the secondary side when the pressure is applied from free ﬂow side. ※ See the website of Low Cracking Pressure Check Valve as to the dimensions and details In-Line Straight Low Cracking Pressure PP series (Polypropylene body + SUS304 metal parts for clean environment) Check Valve Low Cracking Pressure type Union...

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Check Valve
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