Ma-120M-Hd - Pentair Myers Aplex Series Installation And Service Manual

MA-120M-HD ENGINEERING DATA
Power End
Model Triplex Pump
Maximum Input HP at Speed
Rated Continuous Plunger Load
Stroke
Maximum Rated Continuous Speed
Normal Continuous Speed Range
Minimum Speed
Oil Capacity
Viscosity, S.S.U. at 210ºF
Power End
Oiling System
Power Frame, One Piece
Crosshead, Full Cylindrical
Crosshead, Diameter x Length
Crankshaft
Crankshaft Diameters:
At Drive Extension
At Tapered Roller Bearings
At Crankpin Bearings, Diameter x Length
Crosshead (Wrist) Pin, Case-Hardened and Ground
Wrist Pin Bushing, SAE 660, Diameter x Width
Main Bearings, Tapered Roller
Crankpin Bearings,
Precision Automotive
Extension (Pony) Rod:
Diameter
Material
Connecting Rod, Automotive Type
Average Crosshead Speed:
At 450 rpm
Minimum Life Expectancy, Main Bearings, L
Liquid End
Plunger Size Range, Diameter
Maximum Continuous Working Pressure
Hydrostatic Test:
Discharge
Suction
Discharge Connection Size
Suction Connection Size
Available Liquid End Materials, ASTM:
Nickel Aluminum Bronze
Forged Steel Block
Plunger Type Rokide Stainless Steel:
®
Chromium Oxide-Coated

MA-120M-HD

120 at 450 rpm
8,937 lbs.
4-1/4"
450 rpm
150 to 420 rpm
100 rpm
18 U.S. Quarts
70 to 84
Pressure
Lubrication
Cast Iron
Cast Iron
5-3/4" x 6-3/16"
Forged and Nitrided
Alloy Steel
3.750/3.749"
4"
4" x 3"
AISI 8620
2" x 3"
Timken
Steel Backed, Babbitt-
Lined
2"
17-4PH S.S.
Ductile Iron
318 fpm
45,000+hr
10
1-5/8" Thru 2-1/4"
3,900 psi
5,625 psi
425 psi
2" ANSI 1500# LF
3" ANSI 150# FF
B148-C955
A105
316 S.S.
MA-120M-HD ENGINEERING DATA
Liquid End (Continued)
Stuffing Boxes, Field-Removable and Replaceable:
Aluminum Bronze
Carbon Steel
Packing Types Available:
Gland-loaded, Nonadjustable
Spring-loaded, Cup-Type
Spring-loaded, Braided PTFE Coating & Aramid Fiber
Spring-loaded
Seals, Stuffing Boxes, Valve Covers, Cylinder Heads
Studs, Material,
ASTM
Available Valve Types:
Regularly Furnished, Acetal Resin
Optional, Hardened and Lapped
Valve Spring Material
Valve Seat, Liquid Passage Areas
Average Liquid Velocity Through Valves, with 2-1/4" Plungers:
At 450 Crankshaft rpm
Average Liquid Velocity, 2-1/4" Plungers at 450 rpm:
Suction Manifold
Discharge Manifold
General
Overall Dimensions:
Length
Width
Height
Approximate Weights:
With Aluminum Bronze Liquid End
With Ductile Iron Liquid End
With Forged Steel Liquid End
8
B148-C955
1020
Style 838
Style 120X
Style 140/141
Style 8921K
Buna-N
A193 Grade B7,
Cadmium Plated
Acetal
17-4PH S.S.
Inconel
®
2.35 sq. in.
8.97 fps
4.47 fps
10.09 fps
48-3/4"
42-5/8"
19-5/8"
1,950 lbs.
1,875 lbs.
2,085 lbs.