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Double screw pump 1400series
Basic Info

Model No.: 1400series

Product Description

Twin Screw Pump as a positive displacement pump, pump suction room should be closely separated from the discharge chamber. Therefore, the clearance between the pump body and the outer surface of the screw and between the screw and the screw should be as small as possible. At the same time, the screw and the pump body, the screw and the screw mutually form the seal cavity mutually, guarantees the airtight, otherwise may have the liquid to flow back from the gap.

Twin-screw pump can be divided into two forms: internal bearing and external bearing. In the structural form of the built-in bearing, the bearing is lubricated by the conveyer. The working chamber of the twin screw pump with external bearing structure is separated from the bearing. Because of the structure of the pump and the clearance between the screws, it can transport non lubricating media. In addition, the synchronous gear is adjusted so that the screw does not touch, and the half of the output torque is transmitted to the driven screw. As all screw pumps, the external bearing type twin screw pump also has self-priming ability, and most of the pump elements themselves are double suction symmetrical arrangement, can eliminate axial force, and also have a lot of high suction.

Application examples

1, oil: used as oil and gas, water, trace fine solid particles of multiphase pump and Oil Pump.

2, shipbuilding industry: used for ship loading pump, bottom sweep and sewage treatment, main engine lubrication pump, fuel oil pump.

3, the petrochemical industry: used for various resins, pigments, paraffins, paints, inks, latex, various kinds of oil, crude oil, heavy oil and other loading and transportation pumps.

4, thermal power plant: used as heavy oil, crude oil delivery pump, main engine lubricating oil pump.

5, food industry: used as alcohol, honey, syrup, juice, animal and vegetable oil, milk and slurry pump.

At the same time, other products of our company include normal pressure injection Water Pump, supercharged water injection pump, single and double screw pump, reciprocating plunger pump, submersible pump unit and so on.

Double screw pump 1Double screw pump 2


Tianjin RongHeng Group LLC

  Tianjin RongHeng Group LLC is a to-be-listed company specialized in petroleum drilling and exploitation device manufacturing. The Group was founded in 1982, restructured to limited liability company in 1999, named [Tianjin Hi-tech Enterprise" by Tianjin Municipal Government in 2008 and listed as [Tianjin Sci-tech Little Giant Enterprise" by Tianjin Municipal Government in 2011. Its registered place is North of Jinyu Road, Ninghe County, Tianjin and registered capital is RMB 63.58 million. In possession of petroleum drilling and exploitation equipment, precision foundry, mechanical processing and other advanced production assembly lines and inspection devices of globally advanced level, staples of the Group include electric petroleum-submersed pumps, electric petroleum-submersed motors, boost water injection pumps, double screw pumps, single screw pumps, reciprocal plunger pumps, impellers guide shells for pump and other advanced precision castings. Its products cover all the major oilfields nationwide, which are sold to US, Germany, Russia, Canada, Japan, Singapore and Indonesia etc., playing the decisive role in domestic and foreign oilfield-supporting enterprises.In 2013, the company invested 600 million yuan, and built a high standard, high - tech and high - level modern industrial science and technology park with an area of 340 thousand square meters and 200 thousand square meters of factory building. There are 20 processing lines for automatic CNC machine tools, 500 sets of CNC machine tools, processing centers and special equipment, 2108 sets of inspection instruments and 36 sets of large testing equipment.
At present, the company has the annual production capacity of 5000 units (sets) of submersible pump units and 8000 tons of electric pump accessories.
It has 85 national patents, including 5 invention patents and 1 invention patents in the United States.
The ERP production management system and the product testing test-bed that meet the national standards and the relevant API recommendation standards have been established.

Company Info
  • Company Name: Tianjin RongHeng Group LLC
  • Representative: Chaorong Zhuang
  • Product/Service: ESP Pump , Electric Petroleum Submerged Pump Unit , Gas Separator , Water Injection Pump , Impeller and Diffuser , Spare parts for Oil and Gas
  • Capital (Million US $): 83,580,000RMB
  • Year Established: 1996
  • Total Annual Sales Volume (Million US $): Above US$100 Million
  • Export Percentage: 61% - 70%
  • Total Annual Purchase Volume (Million US $): Above US$100 Million
  • No. of Production Lines: 10
  • No. of R&D Staff: 51 -60 People
  • No. of QC Staff: 51 -60 People
  • OEM Services Provided: no
  • Factory Size (Sq.meters): Above 100,000 square meters
  • Factory Location: No. 3, nine weft Road, economic development zone, Ninghe County, Tianjin
  • Contact Person: Mr. Yu zhen hua
  • Tel: 86-022-58957083
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