Produktspecifikationer: DN15 (D20), DN20 (D25), DN25 (D32), DN32 (D40), DN40 ...
Produktspecifikationer: DN15 (D20), DN20 (D25), DN25 (D32), DN32 (D40), DN40 ...
Et nedlukningsmandskab på et kemisk anlæg havde ét job tilbage før genstart: Udskift en utæt pakning på en ventil tolv meter inde i en fuldsvejset PPH-linje. At skære røret betød en ny spole, en ny svejsning, en afkølingsventetid og en anden tryktest, fire ekstra timer efter en tidsplan uden noget til overs. En p...
Se mereKøber du en kugleventil af plastik ved at spørge "sælger du dem?" er, hvordan projekter ender med at betale to gange. Det, der faktisk afgør, om en plastikkugleventil kører stille i fem år eller fejler i dets første, er kropsmaterialet, tætningselastomeren, og hvordan ventilhuset slutter sig til røret - ikke enhe...
Se mereTo montører, en spole af 2 i PVDF-rør og en kasse med DN 50 flangeadaptere. Alt kommer til tiden, og intet passer: Røret måler 60,3 mm på tværs af ydersiden, mens adapteren er bearbejdet til en 50 mm udvendig diameter. Ingen af etiketterne er forkerte. Delene tilhører ganske enkelt to forskellige dimensionering...
Se mereWhat is a Flanged Spacer?
1. Definition: A flanged spacer is a metal or composite material gasket used in piping systems to connect flanges. It provides sealing, support, and positioning between two flanges, preventing leaks and absorbing vibration.
2. Structural Features: Common structures include flat gaskets, gaskets with locating rings, and gaskets with movable locating rings. Materials include flexible graphite, PTFE, and serrated metal, to adapt to different operating conditions, temperatures, pressures, and chemical media.
3. Applications: Widely used in piping systems in industries such as solar photovoltaic, semiconductors, chemicals, iron smelting, environmental protection, biochemistry, aquaculture, and pharmaceuticals, meeting the sealing requirements of high-temperature, high-pressure, or corrosive media.
How is a Flanged Spacer Positioned in Mechanical Assembly?
1. Flange Face Positioning
The flanged spacer is placed between the sealing surfaces of the two flanges. The center hole of the gasket is aligned with the pipe or bolt hole to achieve precise axial positioning.
2. Bolt Pre-tightening Positioning
By evenly tightening the bolts, the gasket is compressed and undergoes elastic deformation, creating a uniform sealing pressure. The bolt pre-tightening force simultaneously locks the gasket in position, preventing displacement during operation.
3. Locating Ring Assistance
For flanged spacers with locating rings, the rings directly engage with the flange flange, providing additional radial support and ensuring the gasket maintains accurate positioning even under high vibration or shock environments.
4. Vibration Isolation and Compensation
The flexible material of the gasket absorbs the thermal expansion and mechanical vibration of the pipeline, maintaining the relative position between the flanges and reducing the risk of leakage.
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