KERR KM-3300SHPT Reciprocating Piston Pump Comprehensive Technical Report
Table: KERR KM-3300SHPT Core Performance Specifications
|
Parameter |
Value |
|
Rated Power (BHP/kW) |
42.7 / 31.8 |
|
Structure Type |
Horizontal Triplex Piston Pump |
|
Number of Pistons |
3 |
|
Stroke Length (inch/mm) |
3.0 / 76.2 |
|
Frame Rated Load (lbs) |
"3,978" |
|
Forged Fluid Cylinder Rated Pressure (PSI) |
"2,251" |
|
Kerr Max RPM |
470 |
|
Minimum Speed (RPM) |
100 |
|
Mechanical Efficiency (%) |
90 |
|
Displacement Calculation Basis (VE%) |
100 |
|
Brake Horsepower/Kilowatt Calculation Basis (ME%) |
90 |
Table : KERR KM-3300SHPT Performance Data (Flow vs. RPM, by Piston Diameter)
|
Piston Diameter (inch) |
Max Pressure (PSI) |
Displacement Per Revolution (Gallons) |
100 RPM (GPM/BPD) |
200 RPM (GPM/BPD) |
300 RPM (GPM/BPD) |
400 RPM (GPM/BPD) |
470 RPM (GPM/BPD) |
|
2.250 |
1000 |
0.1549 |
15.5 / 531 |
31.0 / 1063 |
46.5 / 1594 |
62.0 / 2125 |
72.8 / 2497 |
|
2.000 |
1273 |
0.1224 |
12.2 / 420 |
24.5 / 840 |
36.7 / 1259 |
49.0 / 1679 |
57.5 / 1973 |
|
1.750 |
1663 |
0.0937 |
9.4 / 321 |
18.7 / 643 |
28.1 / 964 |
37.5 / 1286 |
44.0 / 1510 |
|
1.500 |
2251 |
0.0688 |
6.9 / 236 |
13.8 / 472 |
20.6 / 708 |
27.5 / 945 |
32.4 / 1109 |
Table : KERR KM-3300SHPT Physical and Connection Specifications
This table provides necessary data for installation planning, space allocation, and system integration.
|
Parameter |
Value |
|
Pump Average Weight (lbs/kg) |
340 / 155 |
|
Overall Length (inch/mm) |
~33 / ~838 (estimated from service manual drawings) |
|
Overall Width (inch/mm) |
~20.6 / ~523 (estimated from service manual drawings) |
|
Overall Height (inch/mm) |
~18.625 / ~473 (excluding specific drive components, estimated from service manual drawings) |
|
Suction Connection (size, type) |
2 inch NPT |
|
Discharge Connection (size, type) |
1 1/4 inch NPT |
|
Flange Availability Notes |
Threaded or flanged connections available; flanges only applicable to steel or stainless steel fluid ends |
Power End Design, Materials, and Manufacturing
Table: KERR KM-3300SHPT Power End Component Materials and Key Design Features
|
Component Name |
Material Speculation/Description |
Key Design Features |
|
Power Frame/Crankcase (KMX-1) |
High-strength ductile iron |
KMX-1 type pump casing, different from PT model |
|
Crankshaft |
Heat-treated alloy steel |
Multiple hydraulic drive interface options (KMX Series) |
|
Connecting Rod (KM-24A/KM-24) |
High-strength cast ductile iron |
With/without bearings, bronze crosshead pin bushing |
|
Crosshead (KM-17) |
Ductile iron |
Heavy-duty crosshead pin |
|
Main Bearing (KM-9) |
Tapered roller bearing |
L10 life meets API 674 requirements |
|
Connecting Rod Bearing (KM-25 Series) |
Split bearing |
- |
Table : KERR KM-3300SHPT Lubrication System Details
This table provides clear guidance on lubrication requirements for maintenance and operational reliability.
|
Item |
Details |
|
Standard Lubrication System |
Splash Lubrication - Gravity Return |
|
Optional Lubrication System |
Forced Lubrication (with oil pump and oil distribution system) |
|
Lubricating Oil Capacity (quarts/liters) |
4 / 3.785 |
|
Recommended Lubricating Oil Type |
Petroleum-based: AGMA 5EP (ISO 220); Synthetic: SAE 75W-90 (ISO 100 or ISO 150) |
Data Source: (Ref. 10 in original document)
Fluid End Design, Materials, and Manufacturing
Table : KERR KM-3300SHPT Fluid End Material Options
|
Component Name |
Standard Material |
Optional Materials |
Key Features (e.g., Heat Treatment, Abrasion Resistance) |
|
Fluid Cylinder |
Cast ductile iron |
Nickel aluminum bronze 955, cast carbon steel WCB, cast stainless steel CF8M (316), steel, stainless steel, bolted end caps (various materials) |
Forged fluid cylinder rated pressure |
|
Valve |
Wing guided/disc type |
Delrin/aluminum bronze, stainless steel/stainless steel, Monel®, titanium/Monel®, 316 stainless steel, 17-4HT/abrasion resistant urethane insert |
Heat treated, abrasion resistant (AR) |
|
Valve Seat |
(Matches valve material) |
KM-98HT (heat treated, abrasion resistant) |
Heat treated, abrasion resistant (AR) |
|
Valve Insert |
(Matches valve material) |
KM-101R/V (abrasion resistant) |
Abrasion resistant (AR) |
|
Piston |
HSN, Uron |
- |
- |
|
Liner |
Rubber/ceramic sleeve, rubber/chrome-plated sleeve, rubber/Kerramic® coating |
KM-285-xxxCER (ceramic), KM-285-xxxKER (Kerramic®) |
- |
|
Piston Cup |
HSN (KM-263-xxx), Standard (KM-263G-xxx) |
Fabric-reinforced nitrile rubber, HNBR/Kevlar® (Kerr general) |
- |
|
Pony Rod Seal |
KM-29 Oil seal (2 per set) |
- |
- |
|
O-ring/Gasket |
Nitrile rubber (KM-37N, KP-32N) |
Aflas (KM-37A) |
- |
Applications and Market Context
Understanding the typical application areas of the KM-3300SHPT and Kerr Pumps' market positioning helps in comprehensively evaluating the pump's value and suitability.
A. Typical Industrial Applications
Horizontal Directional Drilling (HDD):
This is a primary application area explicitly mentioned by distributors (e.g., Buckhorn Pumps) and implied by warranty terms for "HDD pumps" in the service manual. In these applications, the pump is used to circulate drilling fluid (mud).
General Oilfield Applications:
Kerr Pumps manufactures pumps for numerous oilfield applications. The pressure and flow ratings of the KM-3300SHPT make it suitable for services such as chemical injection, water injection, or small-scale fluid transfer.
Industrial Cleaning/Hydroblasting:
Kerr pumps are used for high-pressure hydroblasting. The pressure capabilities of the KM-3300SHPT meet the requirements for such applications.
Hydrostatic Testing:
Kerr pumps are also used for hydrostatic testing.
Other Potential Industries (based on general Kerr pump applications):
Chemical processes (acid/alkali/solvents), mining, construction.
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