FLUID POWER: Qosina’sY Connector Check Valve, Part # 80206,brings the dual functionality of both a Y connector and a check valve into one component. This cost-effective solution features two 0.157 inch I.D. ports and a non-return valve on the female luer lock sidearm. The housing is made of ABS and the compression resistant silicone valve has a cracking pressure of 43.5 psi. After fluid administration the valve returns to its original, normally closed position, preventing leakage.