VR CHECK VALVE 1/4

The SMC INA-14 series check valves are engineered to reliably prevent the backflow of air and water in demanding applications where corrosion resistance, operational stability, and long-term durability are critical, making them an ideal solution for industrial pneumatic and fluid systems, featuring a highly sensitive design with an extremely low cracking pressure of just 0.01 MPa to ensure smooth flow initiation and minimal pressure loss, while supporting a maximum operating pressure of up to 1.0 MPa (145 psi) for dependable performance under standard working conditions, offered with versatile body material options including standard brass for general use and stainless steel SUS303 for enhanced corrosion resistance, complemented by multiple seal selections such as NBR for standard applications, FKM for high-temperature or chemical-resistant environments, and CR chloroprene for balanced durability, operating across a temperature range of -5°C to 60°C with certain variants rated up to 80°C and special low-temperature options supporting conditions as low as -30°C, and available in common Rc tapered port sizes of 1/8 inch, 1/4 inch, 3/8 inch, and 1/2 inch for flexible system integration.

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