Bender for a fitting that guides gas or a liquid and exchangeable valve
DE19801480A1
Bellows with valve for toxic or aggressive media e.g. chlorine or phosgene
DE3341265A1
MEASURING DEVICE
DE3321217A1
Refractometer
DE3321203A1
REFRACTOMETER
DE3321216A1
Refractometer
DE3224681C1
Level switch
DE3102828A1
Bursting-film safety valve
DE2913463B1
Bursting film safety valve
DE2911947B1
Liquid level indicator
DE2828897A1
Flow regulation of gases, liquids and steam - has flow measurement to provide closed loop control of regulating valve with adjustment by generated error signal
DE2828880A1
Fluid throughput measurement system - is used for flow regulation and has flap valve with nonlinear characteristics covering wide flow rate range
US3964312A
Magnetically actuated fluid-level indicator
FR2247129A7
Filling and discharge valve for chemical tanker - has coaxial control shafts for supply and sealing valve elements
DE2435125A1
BUTTERFLY VALVE
DE1957223A1
Ball shut-off valve with sealing element that can be adjusted from the outside