Becker U4.20 pump sealed tight with this Dowty seal. It measures 18.5 mm outer diameter, 11.8 mm inner diameter, and 1.5 mm thick. A Dowty seal is a special type of washer that combines a metal ring with a rubber insert. It creates a leak-proof seal on threaded connections. Designed specifically for the Becker U4.20 pump.
This Dowty Seal, 18. 5 x 11. 8 x 1. 5 mm is used on Becker brand of U Series family’s U4. 20 pump models.
10 in stock
this shaft seal for Becker U Series pumps. It measures 50 mm outer diameter, 72 mm inner diameter, and 7 mm thick. Made for U4.400, U4.400D, and U4.630D models. This critical part seals the rotating shaft where it enters the pump housing. If this seal fails, oil will leak out and air will leak in. OEM quality direct replacement.
This Shaft Seal having size 50 x 72 x 7 mm is used on Becker brand and U Series Family and Used pump models U4. 400D, U4. 630D, U4. 400.
10 in stock
Stop vacuum pump oil leaks with this DF45x62x7 Shaft Sealing Ring. Made from Viton (FKM) rubber, it handles high heat and chemicals. Double lip design keeps oil in and dirt out. Direct fit for Becker VTLF 250 series pumps .
protect your vacuum pump with this DF68 x 90 x 10 Shaft Sealing Ring. Made from durable Viton (FKM) , it handles high heat and harsh chemicals better than standard rubber. A perfect fit for industrial rotary shafts and Becker pump models.
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