AS-C491 Double Cartridge Seal

Question 1: Are you a factory or a trade company?
Asinoseal : We are a factory with 3000㎡area with over 40 workers

 

Question 2: Where is your factory located? How can I go there? 
Asinoseal: Our factory is located in Zhangjiagang City,Suzhou,normally customer will come from Pudong Airport in Shanghai,we’ll pick you up there from shanghai to our factory

 

Question 3 How can I trust your quality? 
Asinoseal: Our company passed ISO9001:2008,and strictly follow this standard,we have strict QC from raw material QC to QC before shipping to ensure our quality. Quality lists always first in our company.

 

Question 4: When can I get my order after placing it?
Asinoseal: for stock one,3-7 days, non-standard one 25-30 days

 

Question 5: What’s payment term?
Asinoseal: First first cooperation,it has to be 100% before production,but for long-term cooperation,it could be adjusted

 

Question 6: Can you make mechanical seals according to our drawing?
Asinoseal: Absolutely yes,that's our advantage

 

Question 7: What’s your company’s advantage product?
Asinoseal : Agitator seals,cartridge seals and metal bellow seals,we always have good price and quality

The use of double mechanical seal types
1. Core application areas of double mechanical seal types
Double end mechanical seals, with their dual sealing protection and adaptability to complex working conditions, are widely used in chemical, petroleum, pharmaceutical, polymerization reaction, sulfur recovery and other scenarios that require extremely high sealing safety. In addition, it also has important applications in sealing media such as light hydrocarbons, viscous fluids, and harmful gases, especially suitable for harsh environments that are flammable, explosive, highly corrosive, or contain particles.

2. Key functions and advantages of dual end mechanical seals
Dual security protection
Double end mechanical seals consist of two independent sealing end faces. If the primary seal fails, the secondary seal can continue to prevent medium leakage, significantly improving system safety. For example, back-to-back double mechanical seal types can monitor faults in a timely manner through changes in sealing system pressure or liquid level after the failure of the primary seal.

Strong adaptability to media
Suitable for various complex media, such as highly corrosive fluids (acid-base solutions), high viscosity materials, granular media, and high-temperature and high-pressure environments. In the polymerization reactor, the static ring is made of graphite, and the dynamic ring is made of silicon carbide or stainless steel material, which can withstand strong corrosion and particle wear.

Environmental and process protection
Lubrication, cooling, and sealing functions are achieved through external sealing fluid systems (such as GD type balance tanks) to prevent harmful media from contaminating the environment or process materials.

Typical application scenarios and technology adaptation
Sealing of high pressure and hazardous media
In the sulfur recovery unit, the back-to-back double mechanical seal types adapts to fluctuating working conditions through a pressure compensation mechanism, and the dynamic sealing liquid circulation relies on the built-in pump ring to maintain stability.
The series double mechanical seal types are designed with multi-stage pressure reduction, suitable for high-pressure equipment with small shaft diameters and limited axial dimensions, such as the use of a shared spring structure in the modification of twin-screw oil pumps, which can withstand large shaft runout and deflection.

Refined production and environmental protection requirements
In the pharmaceutical and food industries, double end sealing combined with sterile sealing liquid system ensures the purity of the medium; The chemical industry achieves environmental compliance through leak monitoring (pressure/level switches).

Optimization of special working conditions
To address the issue of unstable cooling water pressure, the patented variable specific pressure technology adjusts the slip diameter to enhance the applicability of series double mechanical seal types; Radial double mechanical seal types are suitable for equipment with limited installation space due to their compact structure.If you want to view other products,pls see this website & www.aefluidtec.com/