Series Rated flow range (L/min)
PF3WB Integrated type (Basic type) 0.5 to 4 2 to 16 5 to 40
PF3WC Integrated type (Straight type) 0.5 to 4 2 to 16 5 to 40
PF3WS Remote type (Supply type) 0.5 to 4 2 to 16 5 to 40
PF3WR Remote type (Return type) 0.5 to 4 2 to 16 5 to 40