SSIC Silicon carbide nozzle

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Item specifice:

Special ceramics: Special ceramics

Product Description:

SSIC     Silicon  carbide  nozzle

SSIC     Silicon  carbide  nozzle

SSIC     Silicon  carbide  nozzle

Tailor-made for customers all kinds of pumps with my company, kettle, bearing no pressure sintering silicon carbide mechanical seal, and all kinds of resistance corrosion pump parts and the accessories. Our company pressureless sintered silicon carbide products a reaction bonded silicon carbide products, can easily adapt to the harsh working conditions, in strong corrosive, strong wear, high temperature, high pressure, high strength harsh harsh under complex conditions is more outstanding. At the same time, our company to provide customers with nozzles, armored body armor plate and other special-shaped pieces of custom-made service.

Compared with the reaction sintered silicon carbide product (SSIC), the production process of the sintered silicon carbide product (RBSIC) is complex and the production investment is high. In addition, whether it is in the resistance to corrosion and abrasion, compressive and flexural fracture resistance of or high pressure, high temperature and other properties are more excellent, this is pressureless sintering silicon carbide products will in the near future completely replace reaction bonded silicon carbide products is one of the important reasons. The main varieties of the pressureless sintering silicon carbide products with all kinds of mechanical seal with sealing ring and moving ring and static ring, corrosion resistant pump, magnetic pump, shield pump components. At the same time, the production special-shaped pieces of nozzle, wire drawing die, armor plate. According to the drawings, we will provide customers with satisfactory products and customer satisfaction. Let customer satisfaction is one of the purposes of our company has been pursued, but also one of the objectives pursued by all the staff of our company.

Features: high temperature resistance, wear resistance, corrosion resistance, oxidation resistance, hardness, heat conduction

Main products: mechanical seals, pump parts, nozzles, bullet proof plate

Mechanical seals: high hardness, high wear resistance, good self - Lubrication and high heat conductivity, so the service life of mechanical seal is greatly improved.

Pump: resistance to corrosion and wear characteristic of the pressureless sintering silicon carbide become magnetic pump sliding bearing, resistant corrosion pump sleeve, shielding pump assembly, etc. various kinds of pump of choice

Nozzle: wear resistant, high temperature resistance, high hardness characteristics of the normal pressure sintering silicon carbide nozzle to become a perfect alternative to carbide nozzle

Armor: light weight, high hardness, good ballistic performance, pressureless sintering of SiC for your life and property security escort

Here are some of the pressure sintered silicon carbide products, physical and chemical parameters:

 

medium

content

Causticity

Atmospheric SIC

The reaction SIC

WC

WC

AL2O3

ZrO2

Si3N4

stainless steel

steel

HNO3 nitric acid

50%

A

A

C

A

A

C

C

C

Hydrochloric acid HCI

35%

A

A

C

A

A

C

C

A

Sulfuric acid H2SO4

98%

A

A

C

A

A

C

C

A

Hydrofluoric acid HFF

40%

A

C

C

C

C

C

C

C

Phosphoric acid H5PO4 215OC

85%

C

C

C

C

C

C

C

C

HNO3+HF

20%+5%

A

C

C

C

C

C

C

C

Sodium chlorate NaCIO

10%

A

B

C

A

A

A

C

A

Sodium hydroxide NaOHH

50%

A

C

A

B

A

B

A

A

Potassium hydroxide KOH


A

C

A

B

A

B

A

A

Acetic acid CH3COOHH

80%

A

A

C

A

A

C

C

C

Sodium sulfate + Na2CO3 + H2SO4 925OC

 


A

A

C

A

A

C

C

B

Silica solution SIO2

 


B

C

C

C

C

C



Assessment Method: the specimen prior polishing, immersed in the test liquid (70OC) for 100 hours, the weight was measured and observed microstructure, weight reduction is calculated by the degree of corrosion was observed microstructure for corrosion to comprehensive judgments.

A level (corrosion): corrosion rate ≤0.125mm / ingredients in a small amount of corrosion observed slice

Level B (somewhat resistant): corrosion rate = 0.125-1.0mm / or annual corrosion rate ≤0.125mm / observe a large number of corrosion

Class C (resistant to corrosion): corrosion rate ≥1.0mm / or the main ingredient of Corrosion

 Silicon carbide performance indicators

Index Name

 

Atmospheric SiC

Reaction Bonded Silicon Carbide

Purity (%) of silicon carbide

> 97

>90

Density (g / cm)

3.06-3.15

>3.05

Particle size (um)

0.5-0.7

8-20

Hardness (HRA)

≥90

≥90

Flexural Strength (MPa)

400-580

350-450

Compressive strength (MPa)

3900

>2500

Fracture Strength (MPa)

3.05-4.6

4.3

Elastic Modulus (GPa)

380-410

420

Thermal conductivity

102.6

35-110

Coefficient of thermal expansion (1 / ℃)

4.02×10

4.3×10

Poisson's ratio

0.14

0.15

 


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Q:What is the problem of the hydraulic pump shaft on the hydraulic head in the last eight turns?
The impact force coming from the back of the side, such as hitting the rear of a tire when another car is overtaking. In this case, the body may not be visible because the main point of impact is on the rim.The impact force from the inner side of the tyre or extrusion pressure, such as low hit low block, this block card in the front wheel inside inside etc.. In this case, even if the car is moving slowly, the suspension will be "broken" as long as the car is moving". The general is not directly severing this case. The design strength of suspension system is not enough to "definitely minced" this big stone block.
Q:How to measure the bending and wearing degree of pump shaft
Where is the bending position? If it is fine with the knife shaft, the master will take, correction
Q:Checking the wear of the pump journal is determined by measuring what it is
2. after the pump is removed, it can be decomposed in sequence. After decomposition, parts should be cleaned and checked one by one to see if there are cracks, damage and wear. If there is a serious defect, they should be replaced.3. repair water seal and seat seal: such as wear groove, available emery cloth grinding, such as too much wear should be replaced; seal seat as coarse scratches, available plane or repair in the lathe reamer. New water seal components should be replaced during overhaul.
Q:Multistage pump shaft channeling large change, pump operation suddenly interrupted
The other is the balance drum and axial thrust bearing, which balances most of the axial force by the balance drum. The remaining axial force is borne by the thrust bearing, while the axial thrust bearing axially limits the pump shaft.
Q:The centrifugal pump shaft and the motor shaft are not concentric, it will cause water pump
And also easy to burn the motor. So please use the front calibration concentricity.
Q:What is the power of the pump shaft?
Pump head, flow and power is to investigate the performance of water pump important parameters: 1. flow pump flow, also known as water delivery, it refers to the pump in the unit time to transport the amount of water.
Q:What are the causes of the fracture of the pump shaft?
If it is not the quality of the product, the problem lies in the center line! That is, the two central lines are not coincident,
Q:Is the shaft power of a centrifugal pump the same as that of the motor?
Centrifugal pump shaft power and motor power is not the same.Pump shaft power is the original motivation to design on the pump power, during the actual operation, the operating point will change, so the original motivation to pump power should have a certain margin, the other motor output power due to power factor, so the experience is equipped with motor power is greater than the pump shaft power.
Q:The pump shaft of the magnetic pump is broken. What's the matter?
There are many possibilities for breaking the shaftA foreign body stuck in the pump cavity
Q:What is the clearance between the sleeve and the bearing of the shield pump?
Generally, when leaving the factory, bushings and bearings clearance of about 0.1 millimeters, clearance wear more than 1 millimeters, you need to change.

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