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Propeller Shaft

NIIGATA WORTHINGTON CO., LTD.


Niigata Worthington Company was established in 1953 by Worthington corporation and Niigata Engineering Company, a major supplier of heavy equipment to various industries since 1910.

Combining Worthington's engineering talents with Niigata Engineering's vast production experience, the new company began production of Washington-designed pumps, compressors, and steam turbines, Now, after 30 years of experience, Niigata Worthington is recognized as a leading manufacturer of quality equipment in many important industries. Worthington became a member of Dresser Industries, Inc. in 1985.


TYPE HNN,HNNT & HNNS

  • DESIGN Horizontal,Centrifugal Pump. Over-hung,Centerline Support,Vertical Split Casting. Single Stage,Closed lmpeller.
  • Type HNN: Single Suction Imp.,End Suction Top Discharge Nozzles.
  • Type HNNT: Single Suction Imp.,Top Suction Top Discharge Nozzles.
  • SERVICE Refinery Petro-chemical and other high temperature and high pressure services.

TYPE HDS & LH

  • DESIGN Horizontal,Centrifugal Pump. Between Bearings,Single Stage,Double Suction, Closed Impeller. * Type HDS : Centriline Support,Vertical Split Casing, Top Suction and Top Discharge Nozzles. * Type LH :Semi-Centerline Support,Horizontal Split Casing,Side Suction and Side Discharge Nozzles. Direction of Rotation: CCW viewed from driver end.
  • FEATURES 1.Designed to meet the criteria of API 610. 2.Centerline supported heavy duty design offers optimum operation under high temperature and pressure. 3.Double suction impeller design reduces NPSH required. 4.Double volute casing minimizes radial load and shaft deflection.
  • SERVICE Refinery Various bottom and charges. Petro-chemical Quench oil and water. Chemical Special solution services.

TYPE HNB & HE

  • DESIGN Horizontal,Centrifugal Pump. Centerline Support,Vertical Split Casing. Two Stage(Back to Back),Single Suction,Closed Impeller. Top Suction Top Discharge Nozzles. * Type HNB : Over-hung. * Type HE : Between Bearings. Direction of Rotation: CCW viewed from driver end.
  • FEATURES 1.Designed to meet the criteria of API 610. 2.Centerline supported heavy duty design offers optimum operation under high temperature and pressure. 3.Maximum parts interchangeability. 4.Hydraulically balanced impeller arrangement. 5.Impeller design to reduce NPSH required.
  • SERVICE Refinery,Petro-chemical,Chemical and Boiler feed.

TYPE LN

  • DESIGN Horizontal,Centrifugal Pump. Between Bearings,Foot Support,Horizontal Split Casing. Single stage,Double Suction,Closed Impeller. Side Suction Side Discharge Nozzles. Direction of Rotation : CCW or CW.
  • FEATURES 1.Horizontal split casing offer easy maintenance. 2.Double suction impeller design reduces NPSH required. 3.Double volute casing minimizes radial load.
  • SERVICE Refinery,Petro-chemical--Crude and Products Transfer. Water Works--Raw water. Steel Mills--Service water,Cooling. Marine--Cargo Oil Pump.

TYPE WTB & WLH

  • DESIGN Horizontal,Centrifugal Pump. Between Bearings,Closed Impeller. Multi Stage(2 & 3 Stage), 1st Stage Double Suction (4WTB(WLH)-142L & 4WTB-143L:Single Suction), 2nd Stage Single Suction Impeller. * WTB :Centerline Support,Vertical Split Casing,Top Suction Top Discharge Nozzles. * WLH :Semi-Centerline Support,Horizontal Split Casing, Side Suction and Side Discharge Nozzles. Direction of Rotation: CCW viewed from driver end.
  • FEATURES 1.Designed to meet the criteria of API-610. 2.Centerline supported heavy duty design offers optimum operation under high temperature and pressure. 3.Large suction area of impeller is provided for low NPSH. 4.Hydraulically balanced impeller arrangement.
  • SERVICE High pressure,high temperature bottom service in the refinery.
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    Last Updated July.20th,2005. Copyright 2005 Hannarae International co.,Ltd. All Rights Reserved.