10 in stock
This FKM O-ring measures exactly 17.1 mm inner diameter with 1.6 mm thickness. It replaces Part #H02122015 (cross-reference OV-0171) . The FKM material handles high heat and harsh chemicals better than standard rubber. It is a common seal used in Edwards vacuum pumps and flange fittings.
vacuum pump running smoothly with this high-quality Viton O-ring. Made to exactly 17.12 x 2.62 mm dimensions, this seal replaces Part #02126015. It fits perfectly on Edwards pump models to stop air leaks. The Viton material handles high heat and harsh chemicals better than standard rubber.
This Viton O-Ring (Part #320177) is a critical sealing component for your Pfeiffer DUO vacuum pump. It measures 18 mm (inner diameter) x 2.0 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 125 and DUO 255M (Index C) 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 125 (Part # PSK025) , where exactly one of these O-rings is used .
This Buna O-ring measures exactly 18 mm inner diameter with 5 mm thickness. It replaces Part #02124003. This is the oil drain plug seal used on RV3, RV5, RV8, and RV12 pump models. The Buna-N material offers great oil resistance at a fair price.
This Viton O-Ring (Part #320178) is a critical sealing component for your vacuum pump. It measures 18 mm (inner diameter) x 5.0 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, Welch, DUO, UNO, and CRVpro pump brands and families . It fits the Pfeiffer DUO 2.5, DUO 2.5C, DUO 1.6, DUO 3, DUO 5, DUO 5C, UNO 6, and Welch CRVpro 6 and CRVpro 8 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 6 / DUO 6M (Part # PSK010), where two of these O-rings are used .
10 in stock
This Viton O-ring measures exactly 18.64 mm inner diameter with 3.53 mm thickness. It replaces Part #2125020 This O-ring is used on Edwards E1M40, E2M40, E1M80, and E2M80 pump models . The Viton (FKM) material handles high heat up to 200°C and harsh chemicals better than standard rubber, with a hardness of 80 Shore A .
Out of stock
This Viton O-Ring (Part #320534) is a critical sealing component for your large Pfeiffer DUO vacuum pump . It measures 180 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 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
10 in stock
This Viton O-ring measures exactly 19 mm inner diameter with 3 mm thickness. It replaces Part #23714034 This O-ring is specifically used on Edwards EH Booster and QMB Blower pump families, including QMB250, EH250, QMB500, and EH500 models . The Viton (FKM) material handles high heat up to 200°C and harsh chemicals better than standard rubber.
This Buna O-ring measures exactly 19.6 mm inner diameter with 2.4 mm thickness. It replaces Part #2120041 . This O-ring is specifically used on Edwards E2M2, E2M5, and E2M8 pump models . The Buna-N (Nitrile) material offers great oil resistance at a fair price .
Out of stock
10 in stock
Out of stock
This O-ring has a 2 5/8 inch inner diameter and a 0.139 inch cross-section (thickness) . It replaces Part #085-020-514 This is a standard inch-size O-ring used in Edwards vacuum equipment. The exact material is not specified, so please verify your requirements before ordering.
10 in stock
This Viton O-Ring (Part #4070015) is a small but critical sealing component for your Pfeiffer vacuum pump . It measures 2.2 mm (inner diameter) x 1 mm (cross section) . Made from Viton, a high-performance synthetic rubber, this tiny O-ring creates a tight, reliable seal in a precise location within your pump.
This O-ring is designed for the Pfeiffer UNO 1.5A and DUO 1.5A 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 Minor Repair Kit (Part # 080010) for these pumps .
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