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Valve Cover Gasket

MAZDA Engine Valve cover gasket
Valve Cover Gasket

MAZDA Engine Valve cover gasket

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  • MAZDA Engine Valve cover gasket
  • MAZDA Engine Valve cover gasket

Description

Mazda rubber engine valve cover gasket kitsMaybe you like other valve cover gasket as follows:

图片1

Engine

B3

OEM

KY01-10-235

Mould number

B3-01-01

ERP

VC.0119

Engine

B3A

OEM

B630-10-235B

Mould number

B3A-01-01

ERP

VC.0457

Engine

BP05

OEM

 

Mould number

BP-01-01

ERP

VC.0358

Engine

E3/E5

OEM

E301-10-235

Mould number

E3-03-01

ERP

VC.0025

Engine

E1600 NA MA

OEM

0221-10-235A

Mould number

E1600-01-01

ERP

VC.0187

Engine

E1800/F8

OEM

F801-10-235D

Mould number

E1800-01-01

ERP

VC.0353

Engine

E2000/FE8M

OEM

F8B5-10-235

Mould number

E2000-01-01

ERP

VC.0206

Engine

F2

OEM

F201-10-235D

Mould number

F2-01-01

ERP

VC.0137

Engine

FP

OEM

FS01-10-235A

Mould number

FS-01-01

ERP

VC.0307

AJUSA

11056400

Engine

FSD7

OEM

FSD7-10-235

Mould number

FSD7-01-01

ERP

VC.0129

AJUSA

56031100

Engine

JE26/JE27

OEM

K101-10-270A.R

Mould number

JE26-01-01

ERP

VC.0340

AJUSA

56018000

Engine

JE26/JE27

 

 

 

 

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What factors influence the performance of industry rubber seals

The sealing effect of the sealing ring is related to the material characteristics of the sealing ring. There is also a close influence on other factors. For example, the speed of rotation, working temperature, working pressure, working medium, etc., today I will tell you about the four factors that affect the sealing performance of the sealing ring.

First, the speed of rotation

  When the rotation speed is very low (< 0.03m/s), it is necessary to consider the smoothness of the operation of the equipment and whether the operational appears "crawling" phenomenon. When the movement speed is very high (> 0.8m/s), the lubricating oil film may be destroyed, and the oil seal is not well lubricated and frictions heat, resulting in greatly reduced life. It is recommended that polyurethane or rubber and plastic oil seal work in the speed range of 0.03m/s ~ 0.8m/s. High-speed oil seals need to put forward higher requirements for structure and material, and the speed of household appliances oil seals can reach 20000rpm. Both wear and temperature resistance need to be met, and the concentricity requirements of dynamic sealing on the installation are relatively high.  

Second, the temperature of the working environment

  Low temperature will reduce the elasticity of rubber and plastic oil seals, resulting in leakage, and even the entire oil seal becomes hard and brittle. High temperature will make the oil seal volume expansion, soft, resulting in the oil seal friction resistance increases rapidly and the pressure resistance decreases. It is recommended that the continuous operating temperature range of ordinary polyurethane or rubber and plastic oil seals be -10 ° C to +80 ° C. For the high temperature and high speed requirements of the working environment, we need to choose to use fluorine rubber and PTFE, high temperature resistance and wear resistance is better, the low temperature environment is generally to -40 degrees, and the rubber performance is tested at high and low temperatures to ensure that the product quality meets the requirements.  

Third, the working pressure of machinery

  The oil seal has a minimum service pressure requirement. Oil seals with low friction and low starting resistance should be selected for low pressure work. Below 2.5MPa, polyurethane oil seal is not suitable; High pressure to consider the oil seal pressure deformation, need to use anti-extrusion stop ring, grooving processing also has special requirements.

Fourth, the working medium

  General sealing media are gasoline, oil, diesel, grease, and some static sealing dust. In addition to selecting the working medium strictly according to the manufacturer's recommendations, it is important to keep the working medium clean. Aging or contamination of the oil will not only cause the components in the system to fail, accelerate the aging and friction of the oil seal, but also the dirt in it may scratch or embed the oil seal, making the seal fail. Therefore, it is necessary to regularly check the quality of the oil and its cleanliness, and replace the oil filter or oil according to the maintenance specifications of the equipment. The air remaining in the oil in the cylinder will be compressed by high pressure, which will cause the oil seal to burn out or even carbonize. In order to avoid this situation, exhaust treatment should be carried out at the initial operation of the hydraulic system. The hydraulic cylinder should also run at low pressure and slow speed for a few minutes to confirm that the residual air in the oil has been drained before it can work normally.