This is the Buna O-ring, size 210 mm x 6 mm. It is part number 48610300. This giant ring is used specifically on large Busch R5 pump models 1000B and 1600B . Made from durable Buna (Nitrile) rubber, it resists oils and fuels very well. If you are rebuilding your pump, you will find two of these massive O-rings inside the major repair kit BMK026 for the 1600B model and the gasket kit BGK011 . This ring is very thick (6 mm) and built for industrial jobs.
10 in stock
This is the Buna O-ring, size 25 mm x 4 mm. It is part number 48613600. This ring is used specifically on Busch R5 pump models 1000B and 1600B . Made from durable Buna (Nitrile) rubber, it resists oils and fuels very well. If you are rebuilding your pump, you will find two of these O-rings inside the major repair kit BMK026 for the 1600B model . This ring is thick (4 mm) and built to last.
10 in stock
This is the Buna O-ring, size 55 mm x 3 mm. It is part number 48604000. This ring is used specifically on large Busch R5 pump models 1000B and 1600B . Made from durable Buna (Nitrile) rubber, it resists oils and fuels very well. If you are rebuilding your pump, you will find two of these O-rings inside the gasket kit BGK011 for the 1000B and 1600B models . This is a standard, dependable seal for everyday pumping jobs.
This is the silicone O-ring, measuring 330mm in total length. It is part number 48206600-330MM. This ring is used on several Busch R5 pump models including the 0160D, 0202D, 1000B, 1600B, and 0160C . Made from soft, flexible silicone rubber, it creates a tight seal even in tricky spots. You will find this exact ring inside the overhaul kit BMKF016 and the gasket kit BGK006 for the 0160D and 0202D models . If your pump has a leak around a large cover or housing, this is the right part.
10 in stock
10 in stock
10 in stock
10 in stock
This is the official Busch O-Ring made of Viton material, sized 24 mm x 3 mm (Part #PL23970115). It is a direct replacement sealing ring used in multiple vacuum pump brands. This O-ring fits Busch Panda WV250B, WV250C, WV500B, WV500C models, as well as Leybold Ruvac WA/WAU series pumps. It creates a tight seal between mating surfaces to prevent leaks.
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
This Cheese Head Screw (Part #400056) is a hardware component for your Pfeiffer DUO vacuum pump . It is used to secure various parts of the pump together. A good quality screw ensures a tight, stable fit. This helps your pump run smoothly and safely. This screw is designed specifically for the Pfeiffer DUO 10 and DUO 10C pump models . If you are missing a screw or replacing a damaged one, this is the correct part.
This Disc Coupling (Part #540005) is a component for your Pfeiffer DUO 120A vacuum pump . It connects the motor shaft to the pump shaft. Its job is to transmit torque, or turning power, from the motor to the pump. It also compensates for small misalignments between the two shafts. This helps the pump run smoothly and reduces wear. This disc coupling is designed specifically for the Pfeiffer DUO 120A pump model .
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