ESSCO furnishes heavy duty pump shafts from the best quality steel standard which have a tensile strength of 150,000 PSI and a yield strength of 130,000 PSI. Each shaft and bearing set provides the maximum life possible. 316 SS shafts are available as an option.
SHAFT SLEEVE: ESSCO offers a wide variety of shaft sleeve materials. Standard shaft sleeves are hardened 400 series stainless steel. Each shaft sleeve has an internal O-ring to seal between the shaft and the sleeve which prevents the pumped liquid from damaging the shaft. The standard shaft sleeve is key driven to insure rotational integrity. Typical options for shaft sleeves are 316 SS, Stellite, Hastaloy along with many others.
PACKING AND MECHANICAL SEALS: ESSCO furnishes graphite impregnated non-asbestos braided packing as a standard. Each packed stuffing box contains (5) five rings of packing and a Teflon lantern ring. The standard packing box can accommodate double mechanical seals as well as cartridge style mechanical seals.
LIQUID END MATERIALS: (Check desired material)
☐Nihard 550 Brinnell (Standard Material)
☐Nihard 650 Brinnell
☐Nihard 650-750 Brinnell
☐HCI 550 Brinnell (Alternate Standard Material)
☐HCI 650 Brinnell
☐HCI 650-750 Brinnell
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