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ZGJ ZHJ type mechanical seal for Shijiazhuang slurry pump
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ZGJ ZHJ type mechanical seal for Shijiazhuang slurry pump

Pin     brand: Chuan Mi seal Scope of application: chemical pumps, impurity pumps, desulfurization pumps, circulating pumps Applicable industries: steelmaking, papermaking, chemical industry, electric power, cement industry, etc. Applicable stations: slurry pump, gypsum pump, limestone pump Applicable host: Shijiazhuang Pump Industry
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Number of views:
1000
Product serial number
CMDT-00053
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Keyword:
Desulfurization pump mechanical seal
Gypsum discharge pump mechanical seal
Slurry pump mechanical seal
1
product description
Parameters

ZGJ and ZHJ mechanical seals are mainly used in Shijiazhuang AH slurry pump and HH desulfurization pump

Common market seals are divided into two types, internal flushing type and external cooling type

ZHJ internal flushing type: means that the sealing water needs to enter the medium (commonly known as the dilution medium) to improve the working environment and increase the service life. The discrimination method is that there is only one water inlet hole on the sealing seat.

      

ZGJ external cooling type: means that the sealing water does not enter the medium, and only lubricates the inner side of the sealing ring to take away the frictional heat and a small amount of leakage from the sealing surface. The distinguishing method is that there are 2 holes in the sealing seat, and it is 1 in and 1 out.

Structural features:

Single-end manifold mechanical seal. Easy to install and simple to use. Balance, arbitrary rotation.

The internal working length is short. The static ring compensation multiple springs are externally not in contact with the medium.

Applicable medium:

Medium containing high impurity content such as gypsum and lime slurry.

Working parameters:

Fixed content: ≤30%

Temperature: ≤280℃

Pressure: ≤2.5MPa

Shaft diameter: ≤220mm

Material parameters:

Body material: 316L or 2205, 2507, 1.4529

Seal ring material: SSiC or SiC

Rubber material: fluorine rubber or perfluoroether rubber

main application:

This type of mechanical seal is mainly used for flue gas desulfurization of coal-fired power generation, and is suitable for absorption tower slurry circulation pump, gypsum slurry pump, limestone slurry pump, and gypsum discharge pump.

Common pump numbers are as follows:

20A-L 1.5/1B-AH 2/1.5B-AH

50B-L 3/2C-AH 4/3C-AH

75C-L 1.5/1C-HH 65ZGB 3/2D-HH

4/3D-AH 6/4D-AH 100D-L 4/3E-HH

6/4E-AH 8/6E-AH 8/6E-G 80ZGB

100ZGB 80ZGB 65ZGB 6/4E-SH

150E-L 8/6E-AH 8/6E-G

Common sealing models are as follows:

ZGJ-45 ZGJ-60 ZGJ-80 ZGJ-100

ZHJ-45 ZHJ-60 ZGJ-80 ZHJ-100

Installation and use requirements:

1. The radial runout of the shaft of the equipment should not be greater than 0.04 mm, and the axial runout is not allowed to be greater than 0.1 mm;

2. The sealing cavity of the equipment should be kept clean during installation, the sealing parts should be cleaned, and the sealing end face should be intact to prevent impurities and dust from being brought into the sealing part;

3. It is strictly forbidden to knock or knock during the installation process, so as not to damage the mechanical seal due to friction and seal failure;

4. During installation, the surface in contact with the seal should be coated with a layer of clean mechanical oil for smooth installation;

5. When installing the static ring gland, the tightening screws must be evenly stressed to ensure that the end face of the static ring is perpendicular to the axis line;

6. Push the moving ring by hand after installation, which can make the moving ring move flexibly on the shaft and have certain flexibility;

7. Rotate the shaft by hand after installation, and the shaft should not feel light or heavy;

8. The equipment must be filled with medium before operation to prevent dry friction and seal failure;

Operating parameters:
specification:
45mm~220mm
pressure:
0-2.5MPa
temperature:
-20~280
Line speed:
≤15m/min
Suitable medium:
Medium containing high impurity content such as gypsum and lime slurry.
product features:
Sealing surface:
Graphite, cemented carbide, silicon carbide
Auxiliary seal:
Nitrile, ethylene propylene, fluorine rubber, silica gel, etc.
Metal components:
304、316L、2205、2507、1.4529
Structural features:
Cartridge mechanical seal, easy to install, simple to use; balance, arbitrary rotation.
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Consulting:
13890019297

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39 Fuchuan Road, Yantan District, Zigong City, Sichuan Province, China

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