4 5
MA-15H ENGINEERING DATA
Power End
Model Triplex Pump MA-15H
Maximum Input HP at Speed 15 at 650 rpm
Rated Continuous Plunger Load 2,209 lbs.
Stroke 1-1/2"
Maximum Rated Continuous Speed 650 rpm
Normal Continuous Speed Range 150 to 600 rpm
Minimum Speed 100 rpm
Oil Capacity 2 U.S. Quarts
Viscosity, S.S.U. at 210ºF 70 to 84
Power End Oiling System Splash & Scoop
Power Frame, One Piece Cast Iron
Crosshead, Full Cylindrical Cast Iron
Crosshead, Diameter x Length 2-5/8" x 2-7/8"
Crankshaft Ductile Iron
Crankshaft Diameters:
At Drive Extension
At Tapered Roller Bearings
At Crankpin Bearings, Diameter x Length
1.750"
2.167"
1.750" x 1.063"
Crosshead (Wrist) Pin, Case-Hardened and Ground AISI 8620
Main Bearings, Tapered Roller Timken
Crankpin Bearings, Precision Automotive Babbitt-Lined
Extension (Pony) Rod:
Separate with Plungers 3/4" 416 S.S.
Connecting Rod, Automotive Type Ductile Iron
Average Crosshead Speed:
At 600 rpm
At 450 rpm
150 fpm
112 fpm
Minimum Life Expectancy, Main Bearings, L
10
60,000+hr
Liquid End
Plunger Size Range, Diameter 3/4"
Maximum Continuous Working Pressure 5,000 psi
Hydrostatic Test 7,500 psi
Discharge Connection Size 1" NPTF
Suction Connection Size 1-1/2" NPTF
Available Liquid End Materials, ASTM:
Forged Steel Block
Forged Stainless Steel Block
4140
15-5PH
MA-15H ENGINEERING DATA
Liquid End (Continued)
Plunger Type Rokide
®
Stainless Steel:
Chromium Oxide-Coated 316 S.S.
Stuffing Boxes, Field-Removable and Replaceable:
Stainless Steel, Hardened
Carbon Steel
17-4PH
1020
Packing Types Available:
Spring-loaded, Cup-Type
Spring-loaded, Braided Teflon
®
& Kevlar
®
Style 120X
Style 140
Valve Cover and
Cylinder Head Plugs
416 S.S. or
316 S.S.
Retainer Plates, Steel, ASTM A36
Seals, Stuffing Boxes, Valve Covers, Cylinder Heads
Optional
Buna-N
Teflon
®
Bolting, High Strength, Heat Treated Alloy Steel
Valve Type:
Dual Stem-Guided
Ball
Disc
17-4PH S.S.
S.S.
S.S.
Valve Seat, Liquid Passage Areas .573 sq. in.
General
Overall Dimensions:
Length
Width
Height
26-1/8"
16-9/16"
10-3/4"
Approximate Weights:
With Forged Steel Liquid End 240 lbs.
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