Pentair myers aplex Series Manual

NOTE! To the installer: Please make sure you provide this manual to the owner of the equipment or to the responsible
party who maintains the system.
MODELS
MA15M, MA15H, MA25L, MA25M, MA40L, MA40M,
SC30, SC30H, SC45L, SC45, SC45H, SC65L, SC65, SC65H
TRIPLEX PUMPS
INSTALLATION AND SERVICE MANUAL
Part # AP-03-102 | © 2017 Pentair plc | 05/09/17

2 3
Engineering Data
MA-15M .................................................................... 3
MA-15H..................................................................... 4
MA-25L..................................................................... 5
MA-25M .................................................................... 6
MA-40L..................................................................... 7
MA-40M .................................................................... 8
SC-30........................................................................ 9
SC-30H ....................................................................10
SC-45L.....................................................................11
SC-45.......................................................................12
SC-45H ....................................................................13
SC-65L.....................................................................14
SC-65.......................................................................15
SC-65H ....................................................................16
Dimensional Data.............................................. 17–18
Installation, Operation, Lubrication, Maintenance
and Storage Instructions ........................................19
Safety.......................................................................19
Storage ....................................................................19
Pump Location and Piping Design..........................19
Suction Piping ...................................................19–20
Acceleration Head...................................................20
Discharge Piping ...............................................20–21
Bypass Piping..........................................................21
Lubrication ..............................................................21
V-Belt Drive.......................................................21, 23
Suggested Piping System for Plunger Pumps .......22
Direction of Rotation ...............................................23
Automatic (Safety) Shutdowns................................23
Crankshaft Assembly.............................................. 23
General....................................................................23
Tapered Roller Bearings ...................................23–24
Installing Crankshaft ..............................................24
General....................................................................24
Shim Adjustment of Tapered Roller Bearings........24
Installation of Crankshaft Oil Seal..........................24
Connecting Rod, Crosshead and
Crosshead Pin Assembly ........................................24
General.............................................................. 24-25
Installing Wrist Pin Bushings .................................25
Pinning the Crosshead............................................25
Order of Assembly...................................................25
Precision Crankpin (Crankthrow) Bearings......25–26
Wiper Box Assembly...............................................26
General....................................................................26
“Poly Pak” Seal .......................................................26
Mechanical Oil Seal.................................................26
Inserting the Plunger..............................................26
Stuffing Box, Packing and Plunger Assemblies ......26
General.............................................................. 26-27
Spring Loaded Packing ...........................................27
Hi/Lo Gland Adjustable Packing .............................27
Inserting the Plunger..............................................27
Installing the Gland.................................................27
Installing the Stuffing Box.................................27–28
Connecting the Plunger ..........................................28
Packing....................................................................28
Plungers..................................................................28
Converting Plunger to Piston............................28–29
Changing Piston Cups.............................................29
Disc Valve Systems and Abrasion Resistant............29
General....................................................................29
Disc Valve and Abrasion Resistant Valve
Construction............................................................29
Setting the Valve Seat..............................................29
Installing the Valve Seat..........................................29
Installing O-Rings, Abrasion Resistant Spring
and Cage............................................................29–30
Installing Disc, Spring, Disc Valves and Stem ........30
Valve Spring Options ...............................................30
Valve Disc Options ...................................................30
Pulling the Valve Seat..............................................30
Salvage of Worn Seats.............................................30
Other Pump Brands ................................................31
Trouble Location and Remedy........................... 31–32
Parts Lists ........................................................ 33–54
Warranty................................................................. 56

3
MA-15M ENGINEERING DATA
Power End
Model Triplex Pump MA-15M
Maximum Input HP at Speed 15 at 650 rpm
Rated Continuous Plunger Load 1,828 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:
Integral with Plungers 1-5/8" thru 7/8"
Separate with Plungers 3/4" and 5/8"
316 S.S.
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, L10 60,000+hr
Liquid End
Plunger Size Range, Diameter 1-5/8" thru 5/8"
Maximum Continuous Working Pressure 3,500 psi
Hydrostatic Test 5,250 psi
Discharge Connection Size 1" NPTF
Suction Connection Size 2" NPTF
Available Liquid End Materials, ASTM:
Nickel Aluminum Bronze
Forged Steel Block
Ductile Iron
B148-C955
A516 Grade 70
A536 80-55-06
MA-15M 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:
Gland-loaded, Nonadjustable
Spring-loaded, Cup-Type
Spring-loaded, Braided PTFE coating & Kevlar®
Spring-loaded, Garlock
Style 838
Style 120X
Style 140
Style 8921K
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 Buna-N
Bolting, High Strength, Heat Treated Alloy Steel
Valve Type, Double Stem-Guided 17-4PH S.S.
Valve Seat, Liquid Passage Areas .573 sq. in.
Average Liquid Velocity with 1-5/8" Plungers,
Stem-Guided Valves:
At 600 Crankshaft rpm
At 450 Crankshaft rpm
9.04 fps
6.78 fps
Average Liquid Velocity at 600 rpm:
Suction Manifold
Discharge Manifold
2.32 fps
10.7 fps
General
Overall Dimensions:
Length
Width
Height
26-1/8"
16-9/16"
10-3/4"
Approximate Weights:
With Nickel Aluminum Bronze Liquid End
With Ductile Iron Liquid End
With Forged Steel Liquid End
235 lbs.
225 lbs.
240 lbs.

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, L10 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 PTFE coating & 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
PTFE coating
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.

5
MA-25L ENGINEERING DATA
Power End
Model Triplex Pump MA-25L
Maximum Input HP at Speed 25 at 600 rpm
Rated Continuous Plunger Load 2,475 lbs.
Stroke 2"
Maximum Rated Continuous Speed 600 rpm
Normal Continuous Speed Range 150 to 500 rpm
Minimum Speed 100 rpm
Oil Capacity 5 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 3-1/4" x 3-5/8"
Crankshaft Ductile Iron
Crankshaft Diameters:
At Tapered Roller Bearing
At Crankpin Bearings, Diameter x Length
3.15"
2.250" x 1.625"
Crosshead (Wrist) Pin, Case-Hardened and Ground AISI 8620
Main Bearings, Tapered Roller Timken
Crankpin Bearings,
Precision Automotive
Steel Backed, Babbitt-
Lined
Extension (Pony) Rod:
Integral with Plungers, 2-1/4" thru 1-7/8" sizes 316 S.S.
Connecting Rod, Automotive Type Ductile Iron
Average Crosshead Speed:
At 600 rpm 150 fpm
Minimum Life Expectancy, Main Bearings, L10 50,000+hr
Liquid End
Plunger Size Range, Diameter 2" thru 2-1/4"
Maximum Continuous Working Pressure 789 psi
Hydrostatic Test 1184 psi
Discharge Connection Size 1-1/2" NPTF
Suction Connection Size 2-1/2" NPTF
Available Liquid End Materials, ASTM:
Ductile Iron
Carbon Steel
A536 80-55-06 A516
Gr. 70 or 105
MA-25L ENGINEERING DATA
Liquid End (Continued)
Plunger Type Rokide®Stainless Steel:
Chromium Oxide-Coated 316 S.S.
Stuffing Boxes, Field-Removable and Replaceable:
Carbon Steel 1020
Packing Types Available:
Gland-loaded, Nonadjustable
Spring-loaded, Cup-Type
Spring-loaded, Braided PTFE coating & Kevlar®
Spring-loaded, Garlock
Style 838
Style 120X
Style 140/141
Style 8921K
Valve Cover and Cylinder Head Plugs 416 S.S.
Retainer Plates, Steel, ASTM A36
Seals, Stuffing Boxes, Valve Covers, Cylinder Heads Buna-N
Bolting, High Strength, Heat Treated Alloy Steel
Available Valve Types:
Standard, Acetal Resin
Optional, Hardened and Lapped
Double Stem-Guided
Acetal
17-4PH S.S.
17-4PH S.S.
Valve Seat, Liquid Passage Areas:
Plate (Disc) Valves, (Acetal or S.S.)
Double Stem-Guided Valve
1.400 sq. in.
.958 sq. in.
Average Liquid Velocity with 2-1/4" at 600 rpm:
Thru Plate Valves
Thru Dual Stem Guided Valves
Thru Suction Manifold
Thru Discharge Manifold
6.5 fps
9.8 fps
4.5 fps
9.7 fps
General
Overall Dimensions:
Length
Width
Height
30-1/2"
18-5/8"
12-3/8"
Approximate Weights:
With Ductile Iron Liquid End 440 lbs.

6 7
MA-25M ENGINEERING DATA
Power End
Model Triplex Pump MA-25M
Maximum Input HP at Speed 25 at 600 rpm
Rated Continuous Plunger Load 2,475 lbs.
Stroke 2"
Maximum Rated Continuous Speed 600 rpm
Normal Continuous Speed Range 150 to 500 rpm
Minimum Speed 100 rpm
Oil Capacity 5 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 3-1/4" x 3-5/8"
Crankshaft Ductile Iron
Crankshaft Diameters:
At Drive Extension
At Tapered Roller Bearings
At Crankpin Bearings, Diameter x Length
2.125/2.124"
3.15"
2.250" x 1.625"
Crosshead (Wrist) Pin, Case-Hardened and Ground AISI 8620
Main Bearings, Tapered Roller Timken
Crankpin Bearings, Precision Automotive Babbitt-Lined
Extension (Pony) Rod:
Integral with Plungers, 1-7/8" thru 1-1/8"
Separate with Plungers, 1" thru 3/4"
316 S.S.
416 S.S.
Connecting Rod, Automotive Type Ductile Iron
Average Crosshead Speed:
At 600 rpm
At 450 rpm
200 fpm
150 fpm
Minimum Life Expectancy, Main Bearings, L10 50,000+hr
Liquid End
Plunger Size Range, Diameter 1-7/8" thru 3/4"
Maximum Continuous Working Pressure 3,500 psi
Hydrostatic Test 5,250 psi
Discharge Connection Size 1-1/4" NPTF
Suction Connection Size 2" NPTF
Available Liquid End Materials, ASTM:
Nickel Aluminum Bronze
Carbon Steel Block
Ductile Iron
Stainless Steel Block
B148-C955
A516 Grade 70
A536 80-55-06
Various Grades
MA-25M 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:
Gland-loaded, Nonadjustable
Spring-loaded, Cup-Type
Spring-loaded, Braided PTFE coating & Kevlar®
Spring-loaded, Garlock
Style 838
Style 120X
Style 140/141
Style 8921K
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 Buna-N
Bolting, High Strength, Heat Treated Alloy Steel
Available Valve Types:
Standard, Acetal Resin
Optional, Hardened and Lapped
Double Stem-Guided
Acetal
17-4PH S.S.
17-4PH S.S.
Valve Seat, Liquid Passage Areas
Plate (Disc) Valves, (Acetal or S.S.)
Double Stem-Guided Valve
1.400 sq. in.
.96 sq. in.
Average Liquid Velocity with 1-7/8" Plungers,
Plate Valves:
At 600 Crankshaft rpm
At 450 Crankshaft rpm
6.57 fps
4.93 fps
Average Liquid Velocity with 1-7/8" Plungers,
Stem-Guided Valves:
At 600 Crankshaft rpm
At 450 Crankshaft rpm
9.61 fps
7.21 fps
Average Liquid Velocity 1-7/8" Plungers at 600 rpm:
Suction Manifold
Discharge Manifold
4.12 fps
10.75 fps
General
Overall Dimensions:
Length
Width
Height
31-3/4"
20-3/8"
12-3/8"
Approximate Weights:
With Nickel Aluminum Bronze Liquid End
With Ductile Iron Liquid End
With Stainless Steel Liquid End
430 lbs.
420 lbs.
455 lbs.

7
MA-40L ENGINEERING DATA
Power End
Model Triplex Pump MA-40L
Maximum Input HP at Speed 40 at 550 rpm
Rated Continuous Plunger Load 3,456 lbs.
Stroke 2-1/2"
Maximum Rated Continuous Speed 550 rpm
Normal Continuous Speed Range 100 rpm
Minimum Speed 100 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 2.000"
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:
Integral with Plunger 316 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, L10 100,000+hr
Liquid End
Plunger Size Range, Diameter 2-3/4" thru 2-1/4"
Maximum Continuous Working Pressure 779 psi
Hydrostatic Test 1200 psi
Discharge Connection Size 2" NPTF
Suction Connection Size 3" NPTF
Available Liquid End Materials, ASTM:
Ductile Iron
Steel
Stainless Steel
A536 80-55-06
Forged A105
Forged 2205 Duplx.
MA-40L 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:
Gland-loaded, Nonadjustable
Spring-loaded, Cup-Type
Spring-loaded, Braided PTFE coating & Kevlar®
Spring-loaded, Garlock
Style 838
Style 120X
Style 140/141
Style 8921K
Valve Cover and Cylinder Head Plugs 1020 or 316 S.S.
Retainer Plates, Ductile Iron, ASTM A536 80-55-06
Seals, Stuffing Boxes, Valve Covers, Cylinder Heads Buna-N
Bolting, High Strength, Heat Treated Alloy Steel
Available Valve Types:
Standard, Acetal Resin
Optional, Hardened and Lapped
Abrasion Resistant
Acetal
17-4PH S.S.
17-4PH S.S.
Valve Spring Material Inconel®
Valve Seat, Liquid Passage Areas:
Plate (Disc) Valves, (Acetal or S.S.)
Abrasion Resistant
2.3 sq. in.
1.5 sq. in.
Average Liquid Velocity thru Seat with 2-3/4" Plungers
& Plate Valves:
At 550 Crankshaft rpm
At 350 Crankshaft rpm
7.3 fps
4.6 fps
Average Liquid Velocity thru Seat with 2-3/4" Plungers & Abrasion
Resistant Valves:
At 550 Crankshaft rpm
At 350 Crankshaft rpm
12.3 fps
7.8 fps
Average Liquid Velocity with 2-3/4" Plungers at 550 rpm:
Thru Suction Manifold
Thru Discharge Manifold
5.2 fps
14.1 fps
General
Overall Dimensions:
Length
Width
Height
36-1/4"
26-1/4"
14-3/4"
Approximate Weights:
With Ductile Iron Liquid End
With Forged Steel Liquid End
730 lbs.
775 lbs.

8 9
MA-40M ENGINEERING DATA
Power End
Model Triplex Pump MA-40M
Maximum Input HP at Speed 33 at 600 rpm
Rated Continuous Plunger Load 2,851 lbs.
Stroke 2-1/2"
Maximum Rated Continuous Speed 550 rpm
Normal Continuous Speed Range 150 to 500 rpm
Minimum Speed 100 rpm
Oil Capacity 5 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"
1-5/16 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 Babbitt-Lined
Extension (Pony) Rod:
Integral with Plungers, 2-1/4" thru 1-3/8"
Separate with Plungers, 1-1/4" thru 3/4"
416 S.S.
416 S.S.
Connecting Rod, Automotive Type Ductile Iron
Average Crosshead Speed:
At 550 rpm 229 fpm
Minimum Life Expectancy, Main Bearings, L10 100,000+hr
Liquid End
Plunger Size Range, Diameter 2-1/4" thru 3/4"
Maximum Continuous Working Pressure 3,000 psi
Hydrostatic Test 4,500 psi
Discharge Connection Size 1-1/2" NPTF
Suction Connection Size 2-1/2" NPTF
Available Liquid End Materials, ASTM:
Nickel Aluminum Bronze
Forged Steel Block
Ductile Iron
Stainless Steel Block
B148-C955
A105
A536 80-55-06
Various Grades
MA-40M ENGINEERING DATA
Liquid End (Continued)
Plunger Type Rokide®Stainless Steel:
Chromium Oxide-Coated 416 S.S.
Stuffing Boxes, Field-Removable and Replaceable:
Stainless Steel, Hardened
Carbon Steel
17-4PH
1020
Packing Types Available:
Gland-loaded, Nonadjustable
Spring-loaded, Cup-Type
Spring-loaded, Braided PTFE coating & Kevlar®
Spring-loaded, Garlock
Style 838
Style 120X
Style 140/141
Style 8921K
Valve Cover and
Cylinder Head Plugs
416 S.S. or
316 S.S.
Retainer Plates, Steel, ASTM A536 80-55-06
Seals, Stuffing Boxes, Valve Covers, Cylinder Heads Buna-N
Bolting, High Strength, Heat Treated Alloy Steel
Available Valve Types:
Standard, Acetal Resin
Optional, Hardened and Lapped
Double Stem-Guided
Acetal
17-4PH S.S.
17-4PH S.S.
Valve Spring Material Inconel®
Valve Seat, Liquid Passage Areas
Plate (Disc) Valves, (Acetal or S.S.)
Double Stem-Guided Valve
2.3 sq. in.
1.5 sq. in.
Average Liquid Velocity with 2-1/4" Plungers,
Plate Valves:
At 550 Crankshaft rpm
At 350 Crankshaft rpm
6.6 fps
4.2 fps
Average Liquid Velocity with 2-1/4" Plungers,
Stem-Guided Valves:
At 550 Crankshaft rpm
At 350 Crankshaft rpm
11.2 fps
7.1 fps
Average Liquid Velocity 2-1/4" Plungers at 550 rpm:
Suction Manifold
Discharge Manifold
4.12 fps
12.8 fps
General
Overall Dimensions:
Length
Width
Height
36-1/4"
28-1/4"
14-1/4"
Approximate Weights:
With Nickel Aluminum Bronze Liquid End
With Ductile Iron Liquid End
With Forged Steel Liquid End
750 lbs.
730 lbs.
775 lbs.

9
SC-30 ENGINEERING DATA
Power End
Model Triplex Pump SC-30
Maximum Input HP at Speed 40 at 650 rpm
Rated Continuous Plunger Load 4,193 lbs.
Stroke 1-3/4"
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:
Integral with Plungers, 1-5/8" thru 1-1/4" sizes
Separate with Plungers, 3/4" and 5/8"
316 S.S.
416 S.S.
Connecting Rod, Automotive Type Ductile Iron
Average Crosshead Speed:
At 600 rpm
At 450 rpm
189 fpm
416 fpm
Minimum Life Expectancy, Main Bearings, L10 10,000+hr
Liquid End
Plunger Size Range, Diameter 1-5/8" thru 1-1/4"
Maximum Continuous Working Pressure 3,500 psi
Hydrostatic Test 5,250 psi
Discharge Connection Size 1" NPTF
Suction Connection Size 2" NPTF
Available Liquid End Materials, ASTM:
Ductile Iron A536 80-55-06
SC-30 ENGINEERING DATA
Liquid End (Continued)
Plunger Type Rokide®Stainless Steel:
Chromium Oxide-Coated 316 S.S.
Stuffing Boxes, Field-Removable and Replaceable:
Carbon Steel 1020
Packing Types Available:
Gland-loaded, Nonadjustable
Spring-loaded, Cup-Type
Spring-loaded, Braided PTFE coating & Kevlar®
Spring-loaded, Garlock
Style 838
Style 120X
Style 140
Style 8921K
Valve Cover and
Cylinder Head Plugs
416 S.S. or
316 S.S.
Retainer Plates, Ductile Iron, ASTM A36
Seals, Stuffing Boxes, Valve Covers, Cylinder Heads Buna-N
Bolting, High Strength, Heat Treated Alloy Steel
Valve Type, Double Stem-Guided 17-4PH S.S.
Valve Seat, Liquid Passage Areas .573 sq. in.
Average Liquid Velocity with 1-5/8" Plungers,
Stem-Guided Valves:
At 650 Crankshaft rpm
At 450 Crankshaft rpm
11.5 fps
7.9 fps
Average Liquid Velocity at 650 rpm:
Suction Manifold
Discharge Manifold
2.5 fps
11.6 fps
General
Overall Dimensions:
Length
Width
Height
26-1/8"
16-9/16"
10-3/4"
Approximate Weights:
With Ductile Iron Liquid End 225 lbs.

10 11
SC-30H ENGINEERING DATA
Power End
Model Triplex Pump SC-30H
Maximum Input HP at Speed 40 at 650 rpm
Rated Continuous Plunger Load 4,193 lbs.
Stroke 1-3/4"
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:
Integral with Plungers, 1-1/8" thru 7/8" sizes
Separate with Plungers, 3/4" only
316 S.S.
416 S.S.
Connecting Rod, Automotive Type Ductile Iron
Average Crosshead Speed:
At 600 rpm
At 450 rpm
189 fpm
416 fpm
Minimum Life Expectancy, Main Bearings, L10 10,000+hr
Liquid End
Plunger Size Range, Diameter 1-1/8" thru 7/8"
Maximum Continuous Working Pressure 5,000 psi
Hydrostatic Test 7,500 psi
Discharge Connection Size 1" NPTF
Suction Connection Size 2" NPTF
Available Liquid End Materials, ASTM:
Carbon Steel
Stainless Steel
4140
15-5PH
SC-30H ENGINEERING DATA
Liquid End (Continued)
Plunger Type Rokide®Stainless Steel:
Chromium Oxide-Coated 316 S.S.
Stuffing Boxes, Field-Removable and Replaceable:
Carbon Steel 1020
Packing Types Available:
Gland-loaded, Nonadjustable
Spring-loaded, Cup-Type
Spring-loaded, Braided PTFE coating & Kevlar®
Spring-loaded, Garlock
Style 838
Style 120X
Style 140
Style 8921K
Valve Cover and
Cylinder Head Plugs
416 S.S. or
316 S.S.
Retainer Plates, Ductile Iron, ASTM A36
Seals, Stuffing Boxes, Valve Covers, Cylinder Heads Buna-N
Bolting, High Strength, Heat Treated Alloy Steel
Valve Type, Double Stem-Guided 17-4PH S.S.
Valve Seat, Liquid Passage Areas .573 sq. in.
Average Liquid Velocity with 1-1/8" Plungers,
Stem-Guided Valves:
At 650 Crankshaft rpm 5.49 fps
Average Liquid Velocity at 650 rpm:
Suction Manifold
Discharge Manifold
1.5 fps
6.0 fps
General
Overall Dimensions:
Length
Width
Height
26-1/8"
16-9/16"
10-3/4"
Approximate Weights:
With Forged Steel Liquid End 275 lbs.