2HR7000-128工業(yè)泵黃山-螺桿泵常見故障————螺桿泵就找杜工，專注螺桿泵15年，省心高效.—,

、Design features
There are horizontal, vertical and support types in the pattern of2G series installation.
The twin-spindle screw pump is sealed according to the status ofthe different options, in order to guarantee the sealed quality ofthe pump.
NO.2、Model code
Type code specification
Seal code specification
Import position code specification
Seen from the driving end, no sign signifies right in, Z signifiesleft in.
T signifies specific demands of the customers.

NO.3、A few tips on pump selection
1、Please select the appropriate rotational speed in accordancewith the viscosity of the liquid, so as to ensure that NPSHr of thepump can meet the practical suction conditions of our customers.
2、If the medium viscosity exceeds the range on the performancetable, please contact our technology department. We will alwaysprovide you with satisfactory service.
3、After the pump selection, please ask for the measurements of thepump and the electrical machinery unit’s accessories for the basicconstruction design.
4、Whether we will deploy the safety valve depends on customer’srequest and the safety valve only protect the pump for a instant,can not be the overflow valve of conduit.
NO.4、Please provide the following data when you order pumps
The structure type of the pump
The working flux of the pump-Q
The inlet pressure (or the vacuum degree)of the pump-P1
The outlet pressure of the pump-P2
The working temperature of the medium-T
The medium viscosity at the working temperature-v
The feature of the medium
Whether the electrical machinery is anti-explosive
The demands for accessorie
The 2G series pumpperformance tables
If&nbspyou need to be provided The 2G series pumpperformance parameters table, please contact sales servicepersonnel：
：newhsby@vip.sina.com ephone：0559-25533550559-2553131

2HR7000-128工業(yè)泵黃山-螺桿泵常見故障————螺桿泵就找杜工，專注螺桿泵15年，省心高效.—,