Fan casing with cover
Faucet structure with automatic cold-water resuming function
Faucet valve
Faucet valve with diagonal sealing ring
Faucet valve with diagonal sealing ring
Faucet valve with noise reduction structure
Fire safe seal
Fire safe seat for a valve
Fire smoke damper
Fixed plate for a hydraulic valve, provided with means for eject
Flap valve
Flap valve
Flap valve
Flap valve device and regulation assembly
Flat throttling gate
Flow control assembly
Flow control valve for use with boat water distribution apparatu
Flow rate control valve
Flow-setting valve
Flow-switching microdevice