Deutsch
EnglishExchange and Repair Gate Valve Type 2004 and 4004
Area of application water
- for drinking and untreated water up to PN 10/16
- for all plant and pipeline network operators
Area of temperature
ambient temperature up to + 60 °C
The basis of this valve is the tried and tested Düker repair valve concept. This series has undergone continuous innovations and improvements and is nor available with the nominal diamteters DN 80 - 200.
The proven concept allows operators cost efficient utilization of their resources - either for new building projects or as a replacement valve in the course of facilities and public power supply redevelopment measures. Depending on the material choice of the adjusting and disassembling devices, the savings potential for new investments is between 5 and 20%.
The loose flanges have a limited sliding tolerance (+/- 6 mm). In addition, they are tightly connected to the valve housing guaranteeing tensile strength. The design of a loose flange valve is defined as follows:
The construction length is prepared direction minus tolerance. Additional allowance for clearance is caused through the elimination of the flange gaskets on the loose flange sides. The gasket is integrated in the loose flange.
Product properties
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