16 17
SC-65H ENGINEERING DATA
Power End
Model Triplex Pump SC-65H
Maximum Input HP at Speed 92 at 550 rpm
Rated Continuous Plunger Load 7,216 lbs.
Stroke 2-3/4"
Maximum Rated Continuous Speed 550 rpm
Normal Continuous Speed Range 100 rpm
Minimum Speed 50 rpm
Oil Capacity 8 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 4" x 4-1/2"
Crankshaft Ductile Iron
Crankshaft Diameters:
At Drive Extension
At Tapered Roller Bearings
At Crankpin Bearings, Diameter x Length
2.500/2.499"
3.35"
2.750" x 2"
Crosshead (Wrist) Pin, Case-Hardened and Ground AISI 8620
Wrist Pin Bushing, SAE 660, Diameter x Width 1-5/16" x 2"
Main Bearings, Tapered Roller Timken
Crankpin Bearings,
Precision Automotive
Steel Backed,
Babbitt-Lined
Extension (Pony) Rod 416 S.S.
Extension Rod Diameter 1-1/4"
Connecting Rod, Automotive Type Ductile Iron
Average Crosshead Speed:
At 550 rpm 252 fpm
Minimum Life Expectancy, Main Bearings, L
10
30,000+hr
Liquid End
Plunger Size Range, Diameter 1-5/8" thru 1-1/4"
Maximum Continuous Working Pressure 5,000 psi
Hydrostatic Test 6,000 psi
Discharge Connection Size 1" NPTF
Suction Connection Size 1-1/2" NPTF
Available Liquid End Materials, ASTM:
Carbon Steel
Stainless Steel
4140
15-15PH
SC-65H ENGINEERING DATA
Liquid End (Continued)
Plunger Type Rokide
®
Stainless Steel:
Chromium Oxide-Coated 416 S.S.
Stuffing Boxes, Field-Removable and Replaceable:
Carbon Steel 1040
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
Valve Cover and Cylinder Head Plugs 410 S.S.
Retainer Plates, ASTM A36
Seals, Stuffing Boxes, Valve Covers, Cylinder Heads Buna-N
Bolting, High Strength, Heat Treated Alloy Steel
Available Valve Types:
Disc 17-4PH S.S.
Valve Spring Material Inconel
®
Valve Seat, Liquid Passage Areas 2.23 sq. in.
Average Liquid Velocity thru Seat with 1-5/8" Plungers
& Plate Valves:
At 550 Crankshaft rpm 3.91 fps
Average Liquid Velocity with 1-5/8" Plungers at 550 rpm:
Thru Suction Manifold
Thru Discharge Manifold
7.40 fps
16.65 fps
General
Overall Dimensions:
Length
Width
Height
36-1/4"
26-1/4"
14-3/4"
Approximate Weights:
With Forged Steel Liquid End 795 lbs.