Out of stock
Out of stock
Out of stock
Out of stock
This Viton O-Ring (Part #320520) is a critical sealing component for your Pfeiffer DUO 120A vacuum pump . It measures 12.5 mm x 2.5 mm. 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. If you are rebuilding your DUO 120A pump, this O-ring is a must-have part. In fact, it is included as a standard component in the Seal Kit (Part # PSK024) for this pump .
This Buna O-ring measures exactly 12.6 mm inner diameter with 2.4 mm thickness. It replaces Part #02120034 . 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.
10 in stock
10 in stock
This FKM O-ring measures exactly 124.5 mm inner diameter with 3 mm thickness. You get a pack of 2 (PACK 2). It replaces Part #H02121094. This is a standard metric size under BS4518 (RM1245-30) . The FKM material handles high heat and harsh chemicals better than standard rubber.
This Viton O-Ring (Part #PL23970419) is a critical sealing component for your vacuum pump. It measures 125 mm (inner diameter) x 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 compatible with Pfeiffer and Leybold pump brands . It fits the Pfeiffer DUO 120A, DUO 125, DUO 250A, DUO 255M (Index C), UNO 250A and Leybold Ruvac WAU2000, WSU2000, WA2001, WAU2001, WS2001, WSU2001 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 for the DUO 120A (PSK024) and the Overhaul Kit for the DUO 125 (PMK025) .
Out of stock
Out of stock
10 in stock
This Viton O-ring measures exactly 13.6 mm inner diameter with 2.4 mm thickness. It replaces Part #2122035 This O-ring is specifically used on Edwards E2M28 and E2M30 pump models . The Viton (FKM) material handles high heat up to 200°C and harsh chemicals better than standard rubber.
Out of stock
This Buna O-ring measures exactly 13.94 mm inner diameter with 2.62 mm thickness. It replaces Part #2125013 (cross-reference OB-1240E) . This O-ring is specifically used on Edwards E2M2, E2M5, E2M8, and E2M12 pump models .
Out of stock
10 in stock
This Viton O-ring measures exactly 139.5 mm inner diameter with 3 mm thickness. It replaces Part #02122097. This O-ring is used in Edwards DP series dry pumps and is included in official service kits. The Viton material handles high heat and harsh chemicals better than standard rubber.
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