Bvm Medical Resuscitator Plastic Parts Silicone Rubber Umbrella / Duckbill / Bobin Valve. Medical Grade Materials: Umbrella and duckbill valves made from medical grade silicone; plastic parts from PVC. Custom Mold Manufacturing: We create custom molds based on client 2D/3D drawings or samples for all resuscitator components. High Precision Tolerance: Silicone rubber parts produced with size tolerance up to +/- 0.02mm and minimal flashing. ISO13485 Certified: Strict quality control following ISO9001 and ISO13485 standards with advanced testing equipment. Prototype Testing: Parts undergo prototype sample testing for performance before proceeding to mass production. One-Stop Solution: Comprehensive services covering compression molding, plastic injection, and LSR injection molding.