Oilfield drilling centrifugal pump/sand pump SHAFT SLEEVES
The 2-1/2 carries a stainless steel shaft sleeve to protect its low alloy steelshaft from abrasion and corrosion. Forum also offers ceramic coated and 17-4 PHshaft sleeves on its pumps, for use with the alternative packing options. The 1-1/8centrifugal pump is only offered with a standard, non-sleeved, stainless steel shaft.