The Myers Aplex Triplex and Quintiplex piston and plunger pumps are designed for high-pressure pumping. They are used in industry, in horizontal directional drilling (HDD). Suitable for installations of HDD Vermeer, Ditch WItch, TRACTO -TECHNIK, Universal HDD, Prime Drilling, Herrenknecht, Astec Underground, etc.
The MA series and SC series are available in many alloys (ductile iron, aluminum bronze, carbon steels and various stainless steels) and are suitable for use in your specific field.
The pumps of this SC series have the same design features as the pumps of the MA series, have a more compact design of a smaller size. Available in many configurations that meet Hydraulic Institute Standards and API674 standards.

141-114008-243 Nut
1-1/4"-8 Thrd., Nut, Hvy. Hex41-114008-243..
145-034114-999 Plunger O-ring
Poly Pak Ring 145-034114-999..
145-100112-999 Plunger O-ring
Aplex 50 GPM pump ring 24x40A, 24x40 SII, 36x50 SII..
145-100158-999 Oil Seal
Aplex 50 GPM pump oil seal 24x40A, 24x40 SII, 36x50 SII..
145-114178-999 Plunger O-ring
Aplex 150 GPM Plunger O-ring 36x50 SII-80x100 SII..
145-200234-999 Plunger O-ring 2.75"
Polypak Ring 2” ID. x 2 3/4” OD. 145-200234-999..
145-212299-503 Oil seal housing
Wiper Seal, Inner45-212299-503..
145-212300-503 Oil seal housing
Wiper Seal, Outer 145-212300-503..
145-212300-999 Oil Seal (Until January 2015)
Oil Seal (Before Jan. 2015) 145-212300-999..
145-212314-999 Plunger O-ring 2-0. 5 "I. D. x 3-0. 25"
2-1/2" I.D. x 3-1/4" O.D. Poly Pak Ring (Before Jan. 2015) 145-212314-999..
145-238312-999 Oil Seal
Oil Seal 145-238312-999..
145-278334-999 Oil Seal
Oil Seal 145-278334-999..
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APLEX (PENTAIR) mud pumps SC-series