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SC-170L ENGINEERING DATA
Power End
Model Triplex Pump
SC-170L
Maximum Input HP at Speed
230 at 450 rpm
Rated Continuous Plunger Load
14,280 lbs.
Stroke
4-1/4"
Maximum Rated Continuous Speed
450 rpm
Normal Continuous Speed Range
150 to 420 rpm
Minimum Speed
100 rpm
Oil Capacity
18 U.S. Quarts
Viscosity, S.S.U. at 210ºF
70 to 84
Power End
Oiling System
Pressure
Lubrication
Power Frame, One Piece
Cast Iron
Crosshead, Full Cylindrical
Cast Iron
Crosshead, Diameter x Length
5-3/4" x 6-3/16"
Crankshaft
Forged Steel and
Nitrided
Crankshaft Diameters:
At Drive Extension
At Tapered Roller Bearings
At Crankpin Bearings, Diameter x Length
3.750/3.749"
4"
4" x 3"
Crosshead (Wrist) Pin, Case-Hardened and Ground
AISI 8620
Wrist Pin Bushing, SAE 660, Diameter x Width
2" x 3"
Main Bearings, Tapered Roller
Timken
Crankpin Bearings,
Precision Automotive
Steel Backed,
Babbitt-Lined
Extension (Pony) Rod:
Diameter
Material
2"
17-4PH S.S.
Connecting Rod, Automotive Type
Ductile Iron
Average Crosshead Speed:
At 450 rpm
318 fpm
Minimum Life Expectancy, Main Bearings, L
10
45,000+hr
Liquid End
Plunger Size Range, Diameter
3" Thru 4"
Maximum Continuous Working Pressure
2,020 psi
Hydrostatic Test:
Discharge
Suction
3,250 psi
425 psi
Discharge Connection Size
2-1/2" ANSI 900LF
Suction Connection Size
5" ANSI 150LF
Available Liquid End Materials, ASTM:
Nickel Aluminum Bronze
Forged Steel Block
Ductile Iron
B148-C955
A105
A536 80-55-06
Plunger Type Rokide
®
Stainless Steel:
Rokide
®
TX
316 S.S.
416 S.S.
SC-170L ENGINEERING DATA
Liquid End (Continued)
Stuffing Boxes, Field-Removable and Replaceable:
Aluminum Bronze
Carbon Steel
B148-C955
1020
Piston Liner:
Chrome Oxide Coated
High Chrome Iron
4121
4121
Packing Types Available:
Gland-loaded, Nonadjustable
Spring-loaded, Cup-Type
Spring-loaded, Braided Teflon
®
& Kevlar
®
Spring-loaded, Garlock
Style 838
Style 120X
Style 140/141
Style 8921K
Piston Cups Available:
Urethane
Nitrile
HSN and Kevlar
®
Seals, Stuffing Boxes, Valve Covers, Cylinder Heads
Buna-N
Studs, Material,
ASTM
A193 Grade B7,
Cadmium Plated
Available Valve Types:
Regularly Furnished
Optional, Hardened and Lapped
Abrasion Resistant
17-4PH S.S.
Valve Spring Material
Inconel
®
Valve Seat, Liquid Passage Areas
3.3 sq. in.
Average Liquid Velocity, with 4" Plungers:
At 450 Crankshaft rpm
20.2 fps
Average Liquid Velocity, 4" Plungers at 450 rpm:
Suction Manifold
Discharge Manifold
4.9 fps
23.5 fps
General
Overall Dimensions:
Length
Width
Height
50-1/4"
42-5/8"
19-5/8"
Approximate Weights:
With Aluminum Bronze Liquid End
With Ductile Iron Liquid End
With Forged Steel Liquid End
2,050 lbs.
1,975 lbs.
2,185 lbs.
Содержание SC-170
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