Product category

Yoshitake Check Valves / Lift Check

CV and SCV lift check valve series for preventing reverse flow in steam, water, and air lines.

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Model comparison

Compare only the points that determine the choice: function or construction, applicable medium, operating range, body material, and connection or nominal size. Open the model page to confirm the full specification.

Model	Key selection point	Medium	Operating range	Body material	Connection / size
CV-25U	Threaded Check Valve for City Water	City water	1.0 MPa or less 5-35℃	—	JIS G x JIS R screwed; 20A, 25A sizes available
SCV-16	Lift Check Valve	Steam, Air, Cold and hot water, Oil, non-hazardous fluid	1.6 MPa 200°C	—	JIS Rc or NPT screwed; Lift check valve, 15-50A
SCV-2	Inline Check Valve, Stainless Steel, 1.6 MPa	Steam, Cold and hot water	1.6 MPa 5-220 °C	Cast Stainless Steel (SCS14A)	JIS Rc screwed; 15A: Rc 1/2; 20A: Rc 3/4; 25A: Rc 1; 40A: Rc 1-1/2; 50A: Rc 2
SCV-4EN	Lift Check Valve	—	1.6 MPa 300°C	—	BS PN16 / EN PN16 flanged; EN PN16 flanged lift check valve

Process scope

Yoshitake lift check valves prevent reverse flow in city-water, steam, and general process piping. The local models differ in construction, intended medium, cracking characteristic, pressure-temperature envelope, and connection style; reverse-flow protection must be chosen for the real line condition.

Project-specific checks

Confirm the medium, direction of possible reverse flow, normal flow direction, and required closing response.
Check cracking/opening pressure, maximum pressure, temperature, and expected pulsation or water-hammer exposure.
Match body material, connection, installation orientation, and accessible inspection location.
Review whether the project requires a check valve, a backflow preventer, or another code-specific protective device.

Final verification

This guide groups local Yoshitake catalogue pages for preliminary engineering review. The model-specific Yoshitake documentation, sizing calculation, materials confirmation, and applicable site requirements control the final order and installation decision.