The Dura-Seal 3700, with a 3” port size, is our most versatile, all-purpose pumps with the ultimate combination of premium components: high performance elastomeric and Viton® lip seals, high load carrying bearings, NEW aluminum-bronze bushings and gears all ‘perfectly balanced’ on the industry’s largest diameter nitrided shaft. Because of the balanced configuration, this pump performs more efficiently and lasts longer. Comes with NEW Rapid-Access bolt-on end caps for easy bearing and sealing component access.
Port Size: 3"
Ease of Repair