this shaft seal for Becker U Series pumps. It measures 50 mm outer diameter, 72 mm inner diameter, and 7 mm thick. Made for U4.400, U4.400D, and U4.630D models. This critical part seals the rotating shaft where it enters the pump housing. If this seal fails, oil will leak out and air will leak in. OEM quality direct replacement.
This Shaft Seal having size 50 x 72 x 7 mm is used on Becker brand and U Series Family and Used pump models U4. 400D, U4. 630D, U4. 400.
This is a copper valve washer for Becker vacuum pumps. It is made for many U Series models. The valve washer sits inside the pump’s valve system. It helps control the flow of air. It works like a small one-way door. Copper is a soft metal. It creates a tight seal. Over time, these washers can wear out. When they do, the pump loses performance. This is a direct replacement part. Change your valve washers during a rebuild or repair.
10 in stock
Becker vacuum pump running smoothly with this felt valve washer. Designed specifically for U Series models U4.400, U4.400D, U4.630, and U4.630D. This small part plays a big role in controlling oil flow and maintaining a tight seal inside your pump.
This vane is made from carbon . Carbon is a great choice for vacuum pump vanes. Here is why:
It handles heat very well without melting
It resists corrosion from chemicals
It is self-lubricating, which means less wear on your pump
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