This Viton O-Ring (Part #320519) is a critical sealing component for your Pfeiffer DUO vacuum pump . It measures 48 mm (inner diameter) x 2.5 mm (cross section) . Made from Viton, a high-performance synthetic rubber, this O-ring creates a tight, reliable seal. It prevents leaks and keeps your vacuum pressure strong.
This O-ring is designed for the Pfeiffer DUO 6, DUO 6M, DUO 11, and DUO 11M pump models . If you are rebuilding your pump, this O-ring is a must-have part. In fact, it is included as a standard component in the Seal Kit (Part # PSK010) and the Maintenance Kit (Part # PRK010) for these pumps .
This Viton O-Ring (Part #320181) is a sealing component for your vacuum pump. It measures 48.9 mm (inner diameter) x 2.62 mm (cross section) . Made from Viton, a high-performance synthetic rubber, this O-ring creates a tight, reliable seal. It prevents leaks and keeps your vacuum pressure strong.
This O-ring is compatible with Galileo, Pfeiffer, and Varian-Agilent pump brands . It fits the Galileo D Series (D18, D28), Pfeiffer DUO Series (DUO 5, DUO 5C, DUO 10, DUO 10C), and Varian DS Series (DS402, DS602) pump models . If you are rebuilding your pump or performing routine maintenance, this O-ring is a must-have part. In fact, it is included as a standard component in the Seal Kit for the Pfeiffer DUO 5 / DUO 5C (Part # PKE30005T)
This Buna O-ring measures exactly 49.5 mm inner diameter with 3 mm thickness. It replaces Part #P23724071 (cross-reference OB-1924). The Buna-N material offers great oil resistance at a fair price. This O-ring is used in Edwards E1M18 and E2M18 pump models as part of their major overhaul kits .
This Viton O-ring measures exactly 49.5 mm inner diameter with 3 mm thickness. It replaces Part #02122079 (cross-reference OV-1409) . This O-ring serves as the intake seal for Edwards QDP-40 and iQDP-40 dry pumps, fitting in the intake O-ring groove below the ISO-40 fitting . It is also compatible with Edwards A Series A07V pumps and is included in O-Ring Kit 40130300D80OR . The Viton (FKM) material handles high heat up to 200°C and harsh chemicals better than standard rubber.
Out of stock
10 in stock
10 in stock
This Buna O-ring measures exactly 5.23 mm inner diameter with 2.62 mm thickness. It replaces Part #2120027 This O-ring is used on Edwards E1M40, E2M40, E1M80, and E2M80 pump models . The Buna-N (Nitrile) material offers excellent resistance to oils, greases, and fuels at an affordable price .
Out of stock
10 in stock
10 in stock
Out of stock
This Viton O-Ring (Part #320535) is a critical sealing component for your large Pfeiffer DUO vacuum pump . It measures a massive 500 mm (inner diameter) x 3 mm (cross section). Made from Viton, a high-performance synthetic rubber, this O-ring creates a tight, reliable seal. It prevents leaks and keeps your vacuum pressure strong. This O-ring is designed specifically for the Pfeiffer DUO 255M (Index C) pump model . If you are rebuilding your large DUO pump, this O-ring is a must-have part. In fact, it is included as a standard component in the Seal Kit (Part # PSK028) and the Major Overhaul Kit (Part # PMK028) for this pump .
10 in stock
This Buna O-ring measures exactly 52 mm inner diameter with 5.7 mm thickness. It replaces Part #2120118 (cross-reference OB-3340) . This O-ring is specifically used on Edwards E2M0.7, E2M1, and E2M1.5 pump models . The Buna-N (Nitrile) material offers great oil resistance at a fair price.
Out of stock
10 in stock
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