Flange
housing also known as Flange Bearing Housing.
Flange
housing/ Flange bearing housing is a commonly used
blocks in manufacturing, mining, and construction industries for mounting
self-aligning ball or spherical roller bearings with adapter sleeves or
cylindrical bores. They are designed for use on conveyors, dryers, road
building equipment, run-out tables, fans, crushers, hammer mills, and many
other high-precision, heavy duty applications.
SHAOXING QIFENG AUTO PARTS CO., LTD (QFAP)
have specialized in producing US/EURO standard bearing housings more than 10
years, could help to design the bearing
housing or produce the bearing
housing according to your requirements. (OEM accepted)
Materials: Ductile iron, Grey iron, Steel
Castings
Main of our customers is from USA, CANADA, AUSTRALIA and German
Flange Blocks,Flange Block Bearing,Wooden Flange Blocks,Designed Flange Blocks SHAOXING QIFENG AUTO PARTS CO., LTD. , https://www.sxqfap.com
Surface treatment: painting, powder coating, zinc plating, only oiled
Summary of misunderstandings in pump mechanical seal inspection
**Common Misunderstandings in Pump Mechanical Seal Inspection**
1. **Tighter is Better for the Dynamic Ring Seal**: Many people believe that the tighter the mechanical seal, the better. However, excessive tightness can actually be harmful. It increases friction between the seal ring and the bushing, leading to premature wear and leakage. It also makes it harder for the moving ring to adjust axially, which can cause issues when working conditions change frequently. Additionally, over-tightening may fatigue the spring quickly, causing damage, or even distort the moving ring, reducing its sealing effectiveness.
2. **Tighter is Better for the Static Ring Seal**: While a relatively tight static ring seal may seem beneficial, too much tightness can lead to deformation, affecting the seal’s performance. The static ring is often made of brittle materials like graphite, and applying excessive force can cause it to crack. Moreover, over-tightening makes installation and removal difficult, increasing the risk of damaging the static ring.
3. **More Spring Compression Means Better Sealing**: Some think that more spring compression improves the seal. But if the compression is too high, it can cause rapid wear or even burning of the friction pair. Excessive compression also reduces the spring’s ability to compensate for movement, ultimately leading to seal failure.
4. **Tighter Impeller Lock is Always Better**: A common misconception is that tightening the impeller lock prevents leakage. In reality, inter-shaft leakage can occur due to various reasons—such as faulty seals, misalignment, or debris between components. Over-tightening the lock nut can prematurely damage the inter-shaft pad. Instead, moderate tightening allows the pad to maintain elasticity, ensuring a stable seal during operation.
5. **Repair Is Always Better Than Not Repairing**: When a leak occurs, some rush to repair it without checking the root cause. Sometimes, the seal itself is undamaged, and simply adjusting the working conditions or the seal can resolve the issue. This approach saves time and resources while helping technicians improve their diagnostic skills.
6. **New Seals Are Always Better Than Old Ones**: While new mechanical seals may perform better initially, improper material selection or dimensional inaccuracies can reduce their effectiveness. In certain applications, such as those involving polymerizable media, the static ring may not need replacement if it's still in good condition. After long-term use, the static ring can accumulate deposits that actually enhance the seal.
At Hebei Innovation Sealing Material Co., Ltd., we offer a wide range of high-quality sealing products designed to meet diverse industrial needs. Our product line includes:
- **Packing Series**: Carbon packing, PTFE packing, graphite packing, asbestos packing, aramid packing, and more.
- **Gasket Series**: PTFE gaskets, metal wound gaskets, graphite gaskets, rubber flange pads, and special seal rings.
- **Rubber Products**: Silicone, fluorine rubber, nitrile rubber, neoprene, and other custom-shaped items.
- **PTFE Products**: Rods, belts, membranes, mats, and more.
- **Insulation Materials**: Glass wool, rock wool, aluminum silicate, phenolic foam, and others.
Our products are widely used in industries such as defense, power, oil, chemical, metallurgy, paper, shipbuilding, and transportation. We are committed to "quality for survival, reputation for development" and welcome both new and existing customers to collaborate with us.