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TOKYOKEIKI 4C2M-3-30-JA

TOKYOKEIKI 4C2M-3-30-JA Super‑miniature Stack‑mount Pilot Operated Check Valve Suitable for petroleum‑based hydraulic oil and water‑glycol hydraulic fluids. Dual pilot check valve (A‑ and B‑port pilot control).

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Detail

TOKYOKEIKI 4C2M-3-30-JA Super‑miniature Stack‑mount Pilot Operated Check Valve Suitable for petroleum‑based hydraulic oil and water‑glycol hydraulic fluids. Dual pilot check valve (A‑ and B‑port pilot control).

Maximum operating pressure: 14 MPa

Rated flow: 9 L/min

Cracking pressure: 0.07 MPa

Piston‑to‑poppet seat area ratio: 5:1

Application Notes:

The pilot pressure Pp required for reverse free‑flow opening of the hydraulic valve can be calculated by the formula below:

　Pp＞（Pa＋Pc－Pb）/fa＋Pb

Where:

　Pa: Pressure at port A or B (inlet for reverse free‑flow)

　Pb: Pressure at port A1 or B1 (outlet for reverse free‑flow)

　Pc: Cracking pressure

　fa: Pilot pressure ratio (fa＝5)

TokyoKeiki 4C2M‑3‑30‑JA Super‑miniature Stack‑mount Pilot Operated Check Valve Compatible with precision machine tools, injection‑molding machinery, automated tooling and compact hydraulic power units. It is applied for cylinder locking and pressure holding, and also fits light‑industry machinery and small special‑purpose hydraulic equipment.

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