E3S20E
The E3S20 series is a cartridge‑style 2/2 poppet valve for SAE 10/2 cavities. It comes in normally closed, normally closed with an emergency manual override and normally open configurations. Each valve is rated for 70 L/min flow and 350 bar pressure, and installs with a 7/8‑14 UNF thread. The body is about 69 mm long with a 27 mm hex for tightening, sealed by a 14×1.78 mm O‑ring. The basic normally closed model weighs roughly 0.19 kg and requires around 40 Nm installation torque, while the locknut needs only 2 Nm. All versions use a 22‑W C22 coil that can be energised continuously in temperatures from −20 °C to +40 °C, and the manual‑override version has a small emergency button approximately 10 mm long.
Key specifications (E3S20 series):
Cavity/thread: SAE 10/2 (7/8‑14 UNF), cartridge length ~69 mm with 27‑mm hex.
Flow and pressure: Rated for 70 L/min and 350 bar; poppet design provides zero‑leakage shut‑off.
Versions: Normally closed (E3S20C), normally closed with emergency override (E3S20E) and normally open (E3S20A).
Installation torque/weight: Cartridge tightened to about 40 Nm with a 2 Nm locknut; standard model weighs ~0.19 kg.
Electrical: Uses a 22‑W C22 coil (class H) for continuous duty at −20 °C to +40 °C; DC supply ±10 %.
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