Out of stock
this Spider Coupling Rotex GR24 (Part# 90220010600). It is a flexible coupling disc that connects the motor to the pump. This part fits many Becker U Series pumps including U4.70 and U4.100 models. If you are doing maintenance or fixing a worn coupling, this is the exact part you need.
10 in stock
Out of stock
This Trasco 48 spider coupling (Part #PL70120254) connects the motor to your Leybold Ruvac vacuum pump. It transfers power from the motor to the pump. The spider-shaped insert absorbs shocks and vibrations. This reduces wear on both the motor and the pump. A direct replacement that keeps your pump running smoothly.Fits these pump models exactly:
Leybold Ruvac RA3001
Leybold Ruvac RA5001
Leybold Ruvac RA3001S
Leybold Ruvac RA7001
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
The Spring (Dump Valve) RV (Part #20525-047) is a direct replacement spring for Edwards RV series vacuum pumps. It fits RV3, RV5, RV8, and RV12 models. This spring is part of the dump valve (also called the air admittance valve).
The Spring (Inlet Valve) St/St RVP (Part #20525-049) is a direct replacement spring for Edwards RV series vacuum pumps. It fits RV3, RV5, RV8, and RV12 models . This small stainless steel spring is part of the inlet valve assembly. It helps control the air entering the pump. If your pump is losing vacuum or not performing well, this spring may be worn or broken. Replace it as part of a complete pump overhaul
The Spring Ballast EM (Part #A27102010) is a direct replacement gas ballast return spring for Edwards E1/E2M series vacuum pumps . It is a small metal spring that sits inside the gas ballast valve assembly. Its job is to push the valve back to the closed position after you turn off the gas ballast. If your gas ballast valve feels loose, sticks open, or does not close properly, this spring may be worn or broken. Replace it to keep your gas ballast working correctly and your pump oil clean.
This is the Edwards Heavy Duty Spring Pin. Part number 212170758. It measures 4mm x 18mm. This steel spring pin is used to secure and align components on Edwards vacuum pumps .
10 in stock
This 40 mm long spring (Part #490074) is a replacement part made specifically for the Pfeiffer DUO 125 vacuum pump . Inside your pump, this small but important spring provides the right tension to keep other components working together smoothly . If you are rebuilding your DUO 125 pump or fixing a performance issue, this is the correct spring
This 54 mm long spring (Part #490077) is a replacement part made for two popular Pfeiffer vacuum pumps: the DUO 250A and the DUO 255M (Index C) . Inside your pump, this spring stores and releases mechanical energy. That is a fancy way of saying it pushes and pulls other parts so everything works the way it should. If you are rebuilding your pump or fixing a performance issue, this is the correct spring
This Compression Spring (Part #490044) is a replacement part made of stainless steel for Pfeiffer vacuum pumps and related equipment . A compression spring is designed to resist pushing forces. When you push on it, it pushes back. This makes it perfect for applications that require tension, shock absorption, or keeping pressure between components . It is a versatile component chosen for its durability and resistance to rust and corrosion .
This spring (Part #490071) is a replacement part made for Pfeiffer vacuum pumps. Despite the name “DUO 125” in the title, this specific spring is designed to fit the Pfeiffer DUO 255M (Index C) model . Springs are small but important parts inside your pump. They provide the right tension and force to keep other components working together smoothly. If you are rebuilding your DUO 255M pump or fixing a performance issue, this is the correct spring
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