Product Specifications: DN15 (D20), DN20 (D25), DN25 (D32), DN32 (D40), DN40 ...
Product Specifications: DN15 (D20), DN20 (D25), DN25 (D32), DN32 (D40), DN40 (D5...
Product Specifications: DN15 (D20), DN20 (D25), DN25 (D32), DN32 (D40), DN40 ...
A one-inch hose tail that threads two turns into a pump inlet and then stops is how most hose fitting adapter problems announce themselves. The diameter matches, the label matches, the thread form does not, and no amount of thread tape will close the gap between a parallel G thread and a tapered NPT thread of the same...
View MoreYou just connected a new brass adapter to the outdoor spigot, tightened it snugly, and it still drips. The usual cause is not the washer or the wrench torque: it is a mismatch between thread standards. Most residential plumbing in North America uses tapered National Pipe Thread (NPT), while garden hose fittings use a...
View MoreYou have finished plumbing a 150-gallon reef tank. The return pump is humming, the sump is cycling, and then you spot a small drip beneath the 50mm connector that joins the pump to the pipe. That drip can turn into a soaked stand, a salty film on the floor, and a long evening of rerouting hard-won pipework. A 50mm fis...
View MoreWhat 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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