O-ring, 22 x 3 mm – Viton, Part# 23970410

This O-ring measures 22 mm inside diameter. The rubber thickness is 3 mm .

These exact dimensions mean one thing. It will fit right the first time. No stretching. No forcing. Just a clean, tight seal.

This little ring works on many different pumps. Here is the full list:

Leybold Trivac Pumps:

• S4A, D2A, D4A, D2AC, D4AC 

Leybold Sogevac Pumps:

• SV16, SV25, SV200, SV300, SV500, SV630, SV750

• SV630F, SV500B, SV630B, SV630BF, SV750B, SV750BF 

Pfeiffer DUO Pumps:

• DUO5, DUO5C, DUO10, DUO10C 

You Will Find It in Many Repair Kits
This O-ring is not just sold alone. It comes as a key part inside several complete repair kits:

• Major Repair Kit for Leybold Trivac S4A (Part# 10161KIT) 

• Seal Kit for Pfeiffer DUO 5 & DUO 5C (Part# PKE30005T) 

• Seal & Gasket Kit for Leybold Sogevac SV500, SV630, SV750 

• Major Repair Kit with X-Lon Vanes 

• Minor Repair Kit for Leybold Trivac 

If you buy any of these kits, this O-ring will be inside. But if you lose it or damage it during a repair, now you know the exact part number to order