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FRANZ DÜRHOLDT GmbH & Co. KG Industriearmaturen
Friedrich-Engels-Allee 259
42285 Wuppertal
Germany
P.O. Box 20 04 44
42204 Wuppertal
Germany
Tel. (+49 202) 2 80 86-0
Fax (+49 202) 2 80 86-40
info@duerholdt.de
http://www.duerholdt.de

Industrial valves

According to function, type and materials
Gate valves
Gate valves of cast iron
Gate valves of non alloy steels
Gate valves of alloy steels
Gate valves of stainless steels
Gate valves of copper alloys
Lined gate valves
Plastic gate valves
Butterfly valves
Butterfly valves of cast iron
Butterfly valves of non alloy steels
Butterfly valves of stainless steels
Butterfly valves of copper alloys
Butterfly valves of aluminium alloys
Lined butterfly valves
Plastic butterfly valves
Shut-off valves
Shut-off valves of cast iron
Shut-off valves of non alloy steels
Shut-off valves of alloy steels
Shut-off valves of low temperature steels
Shut-off valves of stainless steels
Shut-off valves of copper alloys
Lined shut-off valves
Shut-off valves of plastic
Ball valves
Ball valves of cast iron
Ball valves of non alloy steels
Ball valves of stainless steels
Ball valves of copper alloys
Ball valves of plastic
Tapered plug valves, cylindrical plug valves, diaphragm shut-off valves
Taper plug valves of cast iron
Taper plug valves of steels
Taper plug valves of copper alloys
Cylindrical plug valves of cast iron
Cylindrical plug valves of steel
Cylindrical plug valves of copper alloys
Lined taper plug and cylindrical plug valves
Taper plug and cylindrical plug valves of plastics
Diaphragm shut-off valves
Pinch valves
Check valves
Check valves, swing type, of cast iron
Check valves, swing type, of steels
Check valves, swing type, of copper alloys
Lined check valves, swing type
Cast iron check valves, lift type
Check valves, lift type, of steels
Check valves, lift type, of copper alloys
Check valves, swing and lift type, of plastic materials
Regulators and control valves
Control valves operated by electric motor
Electromagnetically operated control valves
Pneumatically operated control valves
Hand operated control valves
Safety valves - pressure, temperature, level limit
Spring loaded safety valves of cast iron
Spring loaded safety valves of steels
Spring loaded safety valves of non ferrous metal alloys
Weight loaded safety valves of cast iron
Weight loaded safety valves of cast steels
Weight loaded safety valves of non ferrous metal alloys
Spring or weight loaded safety valves of non metallic materials
Diaphragm safety valves
Traps and separators
Dirt traps, strainers
Monitoring devices and gauge valves
Pressure-gauge valves
Pressure-gauge cocks
Solenoid valves
Sight glasses
Actuators
Electric multi-turn actuators
Electric part-turn actuators
Electric linear actuators
Pneumatic multi-turn actuators
Pneumatic part-turn actuators
Pneumatic linear actuators
Positioner
Micro valves
Diaphragm valves
Magnetic valves
Valves
Diaphragm valves
Slanted seat valves
Angle valves
According to special fields of application
Water extraction and distribution; sewage water
Valves for barrages and large water supply systems
Gate valves
Butterfly valves (with weight-loaded, electric or piston actuator)
Ball valves
Check valves
Foot valves
Control valves (pressure reducing or pressure sustaining or flow control valves)
Water treatment plants
Gate valves
Butterfly valves
Globe valves
Ball and plug valves
Diaphragm shut-off valves
Shut-off valves of plastic materials (gate, butterfly and ball valves)
Check valves, swing type
Diaphragm check valves
Municipal water distribution (drinking water)
Gate valves
Butterfly valves
Globe valves
Ball and plug valves
Shut-off valves (gate, butterfly, ball and plug) of plastic materials
Check valves, swing type
Sewage water
Gate valves
Butterfly valves
Globe valves
Shut-off valves (gate, butterfly, ball and plug) of plastic materials
Check valves, swing type
Pipelines for gas, crude oil and distillation products of crude oil
Gate valves
Ball valves
Taper plug and cylindrical plug valves
Check valves, swing type
Check valves, lift type
Regulating and control valves
Safety valves
Filters and separators
Oil industries (refineries)
Gate valves
Butterfly valves
Shut-off valves
Ball and plug valves
Check valves
Control valves
Safety valves
District heating supply
Gate valves
Butterfly valves
Shut-off valves
Ball and plug valves
Safety valves
Steam generating plants
Gate valves
Butterfly valves
Shut-off valves
Ball and plug valves
Control valves
Safety valves
Marine and offshore industries
Gate valves
Butterfly valves
Shut-off valves
Ball and plug valves
Check valves, swing type
Check valves, lift type
Regulating and control valves
Dirt traps, filters
Refrigeration plants and heat pumps
Valves and fittings for measuring equipment
Pulp and paper industries
Gate valves
Butterfly valves
Shut-off valves
Ball and plug valves
Check valves
Control valves
Safety valves
Beverage and food industries
Diaphragm valves
Valves and fittings for containers and tanks
Discharge valves for vessels
Bottom outlet valves
Stop valves for road and rail tankers
Charging and discharging valves for pressurized tankers
Safety valves
Valves for other industrial applications
Valves and fittings for slurries
Valves and fittings for solid and bulk material
Valves and fittings for compressed air
Valves and fittings for rail cars
Valves and fittings for smelting and steel plants
Valves for pharmaceutics and cosmetics
Diaphragm valves
Chemical industries
Gate valves
Butterfly valves
Shut-off valves
Ball and plug valves
Control valves
Safety valves
Power plants
Diaphragm shut-off valves