SMC FAQ – What is the difference between metal seal and elastomeric seal for solenoid valves?

Create Date: 2024-8-30 12:03:23|Source: SMC

■Metal sealing method

・High durability and longer life

・A small amount of air leakage occurs in the gap between the sliding surfaces

・The inflow of fine particles and foreign matter can cause the pilot spool to become stuck

・Low actuation force, suitable for high-speed and high-frequency actuation
SMC FAQ – What is the difference between metal seal and elastomeric seal for solenoid valves?
■Elastic sealing method

・Low air leakage

・ Liquid foreign matter and oil ingress will cause the seal to swell

・More actuation force than metal sealing
SMC FAQ – What is the difference between metal seal and elastomeric seal for solenoid valves?

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