Smart Tips

SY-valve What are the differences between metal and rubber seals types of valve?

Metal seal type


• Have durability and long life.

• Have a small amount of air leakage due to the air gap clearance between sliding parts.

• Micro particles of foreign materials may tend to adhere. High filtration mist separator is required.

• Fast response time.Suitable for continuous duty cycle.

Rubber seal type


• Low air leakage

• Seal material may be affected by certain oils or the content of exhaust air.

• Less responsive than metal seal type.

• Suitable for intermittent duty cycle.

About SMC Corporation Middle East FZE

SMC Corporation Middle East FZE is the United Arab Emirates subsidiary of SMC Corporation, the world’s largest pneumatic automation products manufacturer which was established in Japan and now has more than 50 years of experience. In 2014, SMC Corporation Middle East FZE is established affirming our leading role in pneumatics control equipment & devices as well bringing best services to customers.

While the subsidiary mainly assembles knockdown cylinders, SMC United Arab Emirates also offers a wide range of high quality advanced industrial pneumatic system technology products to meet applications in a myriad of sectors and fields of the market such as semiconductor, automotive, medical, and petrochemical, just to name a few. Products offered here range from actuators like electric actuator, pneumatic actuator and etc, to valves like solenoid valve, pneumatic valve and 2 port valve; from thermo equipment like refrigerated thermo chiller and temperature control equipment, to a variety of electrostatic removal, air dryer and process gas equipment .

Striving to maintain high standards not only in products but also in customer service, SMC United Arab Emirates is equipped with a well-stocked warehouse ensures quick delivery, as well as maintaining high levels of technical services and solid communication network to consistently meet the needs and expectations of our customers.