2/3-way solenoid valve C21 series

normally closedfor gasmanifold

Short description
The C21 is a 21 mm cartridge solenoid valve available in 2-way and 3-way normally closed configurations. Designed for gas control in life-science and medical devices, it delivers fast response, low leak rate and long cycle life for manifold-mounted systems.

Technical specifications

• Series / Model: C21
• Diameter: 21 mm
• Configurations: 2-way and 3-way, normally closed
• Flow rate: up to 140 SLPM
• Maximum operating pressure: 145 psi (10 bar)
• Orifice sizes (inch / mm): 0.040 / 1.0, 0.080 / 2.0, 0.12 / 3.0, 0.16 / 4.0
• Operating temperature: 0 °C to 50 °C (32 °F to 122 °F)
• Rated cycles: 20 million cycles (2-way and 3-way)
• Actuation: Solenoid (electronic)
• Control method: current or voltage
• Power consumption: 2.5–2.6 W typical
• Input voltage: 12 VDC or 24 VDC
• Electrical connection: 3.2" wire leads
• Construction: stainless steel (Series 300 and 400) body & stem base
• Seal materials: FKM or EPDM
• Dimensions: height 39 mm, width 21 mm
• Weight: 60 g
• Response time: < 10 ms
• Leak rate: < 0.0116 sccm
• Port connection: cartridge seal; mounting: manifold
• Fluid type: gases

Applications & compatibility

• Designed for life science and medical devices: compression therapy, oxygen concentrators & conservers, negative pressure wound therapy
• Manifold mounting for compact system integration
• Suitable for precise gas flow control requiring fast response and high cycle life
• Seal options (FKM, EPDM) available for compatibility with different medical gases