Germany KER (Cole) valve 

 Valve - needle valve, globe valve, knife gate valve, valve, butterfly valve, ball valve, balance valve, stainless steel valve, check valve, control valve, hydraulic control valves, safety valves, diaphragm valves, steam traps, plug valves, solenoid valves, discharge valves, cylinder valves, vacuum valves, shut-off valve, the use of valves, Pinch Valve, instrumentation valve, foot valve, gas valves, control valves, slurry valves, slurry valves, three-way valve, adjusting pressure valve, slag valves, mud valves, breathing valve, water seal valves, discharging valve, slurry residue valve, power station valves, lined valves, discharge valve, ball valve, automatic control valve, ceramic valve, flapper valve , insulation valve, shutter valves, blind valves, slurry valves, hydrogen gas valve, piston valve, suction valve, valve, electric valve, intake valve, copper valve, forged steel valve, plastic valve, exhaust valve, hydraulic valves, valve, pneumatic valve, proportional valve, check valve, angle valve, sealing valves, special valves, special valve, valve, valve, Other