GLOSSARY
Plunger Pump Parts
Power End Specifications | Liquid End Specifications
POWER END SPECIFICATIONS:
Power Frame - Meehanite GD-35 gray iron casting with heavy wall sections, well ribbed to insure rigid construction.
Internal Gear Reducer - T450 furnished with standard integral gear reducer.
Crankshaft - Mounted with center line of shaft on center line of crossheads. Machined for mounting shaft extension on off-drive side. Crankshaft may extend from either side except on models 5350 and 5698 which are left hand drive only.
Crankshaft Bearings - Interchangeable heavy duty tapered roller bearings, straight roller or spherical roller bearings, depending upon the pump model.
Connecting Rods - T450, T200 and Q350 rods are cast with a lubricated hole through the center of the rod. All models except the T450 have bronze bushings at the crosshead end. T450 is standard with the needle bearing design. An optional needle bearing design in lieu of a bronze bushing is available. These models along with all 3300, 2900 and 2800 models have precision bearings at the crank end. Other plunger pumps are equipped with "H" type connecting rods, with renewable babbit lined steel backed shell bearings at the crank end and bronze bushings at the crosshead end.
Crossheads - Cylindrical-type Meehanite GD-35 gray iron castings, except for models 3500, T450 and 3900 which are semi-cylindrical type ductile iron castings. Crosshead pins are hardened and ground steel.
Lubrication - Power end parts are lubricated by splash system from oil in crankcase reservoir. Power frame has an oil return channel, from front of crossheads back to crankcase to permit constant circulation of oil and to help keep oil cool. Positive power end lubrication is standard on models T200, Q350 and T450 pumps.
Stuffing Boxes - All models are furnished with nonadjustable lip-type packing rings.
LIQUID END SPECIFICATIONS
Liquid End Body - Standard materials available from stock are ductile iron for crude oil and fresh water service, steel for pumping petroleum products in hazardous locations, and nickel aluminum bronze alloys for saltwater and other corrosive liquids. Special alloys such as Hastelloy C, Carpenter #20, Inconel or Stainless Steel can be furnished upon request.
Valves - A variety of valve designs and materials are available dependent upon service conditions.
Plungers - Materials available are: Hard surfaced or ceramic coated stainless steel, solid ceramic, or other materials or surfacing required by the application.
Stuffing Boxes - Stuffing boxes are either bored directly into the liquid body or are of the replaceable type.
Packing - Standard packing is a set of non-adjustable lip type packing rings. Other packing can be furnished for special applications.
Stuffing Box Lubrication - Optional, depending on the application. Furnished by use of a regulated flow of oil from a force feed lubricator mounted on the pump, with a separate oil line to each stuffing box and V-belt driven.