AS-C488 Dual Cartridge seal

Model NO.: AS-C488

AS-C488 cartridge seal is customized dual seal with wave spring that made as per client drawing.

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Product Description

AS-C488 cartridge seal is customized dual seal with wave spring that made as per client drawing.

Structure Features:

Combined Materials :

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Background:

Structure composition and working principle of mechanical seal with wave spring
The mechanical seal with wave spring is a composite component that integrates the elastic function and sealing performance of the waveform spring. Its core structure includes five major components: waveform spring, dynamic ring, compensating element, static ring, and sealing sleeve. The dynamic ring is set on the outer side of the shaft and can move along the axial direction. The static ring is disassembled and connected to the inner side of the sealing sleeve, and the two form a basic sealing structure through contact and cooperation. As a key elastic component, the waveform spring is composed of several stacked single pieces surrounding the moving ring and a top floating ring. The floating ring and the static ring slide together, and can deform along with the axial movement of the moving ring, achieving sealing compensation function.
The floating ring design further optimizes the sealing performance, with its connecting base and single piece fixed, the fitting end embedded inside the static ring, and the closed end in contact with the sealing sleeve through a sealing rubber ring, forming multiple sealing interfaces. There is an auxiliary sealing ring between the rotating ring of the moving ring and the shaft body, which cooperates with the pre tightening force of the compensating element to ensure the sealing stability under dynamic working conditions.

1. Performance advantages and application scenarios of mechanical seal with wave springs
（1). Core performance advantages
Significant space efficiency: The total height of the waveform spring is only 50% of that of the traditional circular wire spring, which can reduce the space size of the sealing component by up to 50%, especially suitable for scenarios with limited axial or radial space.
Outstanding compensation capability: Through the elastic deformation of the waveform spring, it can automatically compensate for the wear and failure of the moving ring or assembly errors, effectively extending the service life of the seal. For example, in the sealing of a water pump, its uniform and stable elasticity can reduce water seal leakage, lower spring pressure and friction wear.
Strong weather resistance: Made of 17-7PH stainless steel material, it can maintain corrosion resistance at 200 ℃, and after passivation treatment, it has both beauty and durability.
(2). Typical application areas
Fluid mechanical seals: such as the shaft seal system of water pumps and oil pumps, use the pre tensioning compensation characteristics of waveform springs to reduce leakage and improve equipment durability.
Bearing and clutch: As an elastic element of the release bearing, it can flexibly connect the release bearing and the sleeve, and absorb the radial force generated by eccentricity through elastic deformation.
High pressure valves: Provide precise spring coefficients in pressure relief valves and fluid valves to ensure stable sealing pressure and adapt to dynamic pressure changes.If you want to view other products,pls see this website & www.aefluidtec.com/

2. Factors affecting the lifespan of mechanical seal with wave springs and optimization suggestions
(1). key factors
Compression to stress ratio: When used at the minimum working height (maximum compression), the lifespan is about 10000 times; By reducing compression by more than 50%, the theoretical lifespan can be extended to 1 million cycles.
Material fatigue performance: The fatigue resistance of 17-7PH stainless steel material is superior to that of carbon steel, and its service life can be extended by controlling the stress ratio (actual stress/material yield strength) below 0.7.
(2). Use optimization suggestions
Control work schedule: To avoid being in the maximum compression state for a long time, it is recommended to use within the range of 50% -80% of the design compression.
Regular maintenance and inspection: In response to the wear of the moving ring components, the deformation of the waveform spring floating ring is monitored to determine the sealing compensation allowance, and the aging sealing rubber ring is replaced in a timely manner.
Adaptive operating parameters: In high temperature or corrosive environments, passivation treatment and fluororubber seals need to be combined to ensure stability within the temperature range of -50 ℃ to 200 ℃.

3. Key points for preparation and maintenance of mechanical seal with wave springs
(1). Preparation process characteristics
The traditional stamping process has problems such as low material utilization (circular stamping generates a large amount of waste) and the need for additional grinding of stamping edges. The waveform spring in new sealing components often adopts continuous winding forming technology to reduce metal fiber cutting and improve elastic fatigue life.
(2). Cleaning and maintenance standards
Small and medium-sized batch processing: Soak in laundry detergent solution for 10 minutes and then manually wipe to remove surface oil stains.
Large scale production: Use water reducing agents or specialized cleaning agents for cleaning, balancing glossiness and cleanliness, and avoiding residual impurities from affecting the sealing surface adhesion.
Through structural innovation and material optimization, mechanical seal with wave springs have demonstrated irreplaceable advantages in tight space sealing, dynamic compensation, and other scenarios. Their lifespan and performance can be further improved through scientific selection and working condition management.