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Double screw pump

The screw pump both type 2LB and new type 2GC have been widely used in the field of boats and ships,petoleum chemical industyr,metallurgy celeriac power,oil and foodstuff,etc.Both type 2LB and 2GC screw pump are horizontal rotary displacement pump of twin aspartic and twin-screw and non-sealing and having powerful self-absorbing cap city.Either type 2LBor 2GC can carry all kinds of oils,such as lubricating oil and fuel which contended micro partical,chemical liquid and light industry food and also can transport higher viscosity oil,such as residual oil,crade oil,etc.the temperayure of media cither.Type 2LB or 2GC transported is not above 80℃,for some special requirement the temperayure of transported media can be up to 180℃.The viscosity of transported media can be up to 10000 mm2/S.

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Overview

Non sealing type double screw pump rotor is a kind of self absorption capacity of the pump volume, suitable for shipbuilding, petroleum and chemical industry, used to transport oil and fuel oil chemical medium, syrup, fruit juice, also used for sewage treatment and bottom stripping, the transport medium viscosity up to 10000mm²/s. The maximum discharge pressure 1.0MPa, flow range 4 ~ 1569m³/h.

Features

Conveying medium without stirring, no pulsation, stable transmission

Good self absorption performance, strong ability to sweep

Simple structure, long service life and transport of non lubricating medium

Can transport gasoline and other volatile oil in the high temperature season

Type

According to the materials of the screw and pump body,the type 2GC and 2LB each can be divided into four types:

◆ Type 2GC1 and type 2LB1:the driving and driven screws are steel integrating screw and they can transport lubricating oil and residual oil,etc.

◆ Type 2GC2 and type 2LB2:the driving and driven screws are steel core coupper combination screw and they can transport voaltile oil such as gasoline,kerosene naphtha,etc.

◆ Type 2GC3 and type 2LB3:the driving and driven screws are steel core stainless steel combination screw and they can transport the common corrosive media such as aviation kerosene.

◆ Type 2GC4 and 2LB4:the driving and driven screws are steel core stainless steel combination screw and other casting part cast by stainless steel and they mainly transport high corrosive media and liquid food.

Example for type illustraing

2LB1 and 2GC1 or 2LB2-300-J

◆ 2LB and 2GC - illustrating horizontal twin-aspirator,twin-screw pump;

◆ 1 - illustrating steel integrating screw(either driving screw or driven screw)

◆ 2 - illustrating steel core copper combination screw(either driving or driven screw)

◆ 300 - illustration rate of flow(m3/h)

◆ J - illustration pump axle sealing is mechanism-seal.Otherwise means rubber oil sealing.

Stuvture sketch of 2GC,2LB Horizntal twin-screw pump

Characteristics 2GC、2LB

Table of appearance and mounting size of 2GC,2LB 25-500 pump and combination of pumps

Mounting table of-apparent size of 2GC,2LB twin-screw pump and pump package

Table of appearance and mounting size of 2LB35-440 pump and combination of pumps (reservation type pump)

Table of appearance and mounting size of 2LB pump and combination of pumps (reservation type pump)

2LB (6-12) pump set size