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GARDNER DENVER
PAH Pump Model

PAH Pump Model

Product catalog summary

Specifications
The PAH 275 HP Triplex Drilling Pump is designed for drilling services with a maximum input of 275 BHP (205 kW) and a maximum RPM of 175. It features an 8-inch (203 mm) stroke length and a rod load capacity of 22,030 lbs. (9,990 kg). The pump weighs 9,200 lbs. (4,180 kg) and has a gear ratio of 4.7:1. When equipped with an optional skid, the total weight is 9,850 pounds. Performance ratings are based on 90% mechanical efficiency and 100% volumetric efficiency. A five-inch size is available in piston and liner construction only.

Performance Ratings
The pump's performance varies with different piston cylinder diameters. For example, the PAHD model with a 5-inch diameter has a displacement of 2.04 gallons per revolution and can handle a maximum PSI of 1,122 at 175 RPM. The PAHC model with a 3-inch diameter has a displacement of 0.734 gallons per revolution and can handle a maximum PSI of 3,118 at 219 RPM.

Standard Features
The pump includes a nodular iron power frame, spherical roller bearings, a double extended jackshaft, heat-treated alloy steel main gears, replaceable bronze crosshead slides, and a full splash lubrication system. It also features interchangeable fluid cylinders and a complete piston washing and lubrication system.

Optional Equipment
Optional equipment includes pistons and liners, a fabricated steel skid, a centrifugal suction charging pump, suction and/or discharge dampeners, an oil heat exchanger cooling system, and an external electric powered lube pump. Custom packaging is available.

Installation Note
It is essential that all installations include a pressure relief valve in the discharge line near the pump to ensure safety and proper operation.

Service Centers
The document lists several service centers across the United States, including locations in Quincy, IL; Oklahoma City, OK; Tulsa, OK; Fort Worth, TX; and Odessa, TX, with contact information provided for each.

Catalog excerpts

PAH Triplex Drilling Mud Pump Maximum Input Stroke Length Pump Weight Gear Ratio Drilling Service PAH 275 HP Triplex Drilling Pump Performance Ratings Weight: Complete pump with large steel skid-9,850 pounds. Ratings are based on 90% mechanical efficiency and 100% volumetric efficiency. * Five inch size available In piston and liner construction only.

Open the catalog to page 1

PAH Triplex Drilling Mud Pump Standard Features Nodular iron power frame, eccentric, connection rods, and crossheads Spherical roller beamings carry eccentric Double extended Jackshaft carried on heavy-duty straight roller bearings Dual roller bearing connecting rod Heat-treated 4140 alloy steel main gears are bolted to the eccentric Replaceable bronze crosshead slides Full splash lubrication, with oil pump to feed working parts Heat-treated alloy steel, interchangeable fluid cyclinders Center guided with urethane insert valves and seats Replaceable-type element oil filter and oil pressure gauge...

Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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