CentIoT - One-Way Non-Return Inline Check Valve - Viton and Nylon PA66 - for Fuel Size:3/16" 5mm but I find that additional

but I find that additional optical shielding is required

Model: SRD-SL-C

and short circuit protection

polymer and other lithium battery charge and discharge protection

Anti-interference

CentIoT - One-Way Non-Return Inline Check Valve - Viton and Nylon PA66 - for Fuel Size:3/16" 5mm but I find that additionalBrand: CentIoT Color: Black Features: Structure: Spring + Umbrella design for efficient non return valve operation. Working Pressure Range: 200 Kpa non return pressure; Forward Direction Open Pressure: <3 Kpa. Temperature Tolerance: Operates between 30C to 130C ( 22F to 266F). Applications: Suitable for fuel systems in cars, helicopters, ships, motorcycles, etc. Materials: PA66 Nylon outer shell; Nylon PA66 gasket, Viton Rubber O ring, SU316 stainless