STEAM PISTON PUMP

TYPE DW-O

Most popular Duplex type with side-pot designed liquid casing.

TYPE DW-O Heavy pump

With auxiliary stuffing box and piston rod on the cover end to support the piston rod and avoid easy abrasion of piston-rings.

TYPE DW-OJ

With welded steam jacket on the casing and stuffing box for liquid solidify in normal temperature.

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TYPE SW-O

Special Simplex type suitable for quite low NPSH service.
Reliable operation for 4 - 5 low strokes to higher speed.
Type SW-OJ steam jacketed type also possible.

TYPE DP-H

Duplex electromotive pump.
・When steam utility insufficient.
・Coupled with geared-motor though crank-shaft.

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VALVES

1) Conical valve is standard.
Reliable operation for high pressure service with valve and seat faces touching conically.

2) Sphere (Ball) or Semisphere valve will be selected for pumping liquid of high
viscous or with sludges.