Durable Mechanical Seal for Cdlf Cr Vertical Multistage Water Pumps

• Customization: Available
• Type: Accessory
• Contact: Contact
• Model NO.: LESC-16
• Output Signal Type: Switching Type
• Production Process: Injection
• Feature: SemiConductor
• Material: Plastic
• IP Rating: IP68
• Certification: CCC
• Customized: Customized
• Shaft Size: 12mm/16mm/22mm/26mm
• Main Material: Tc/Sic
• Optional Material: Sic/Sic
• Optional Material 2: Tc/Tc
• Transport Package: Carton Box
• Specification: PC-10B
• Trademark: LELE or by Customized
• Origin: China
• HS Code: 8484200090
• Production Capacity: 5000/Month
• Package Size: 10.00cm * 8.00cm * 6.00cm
• Package Gross Weight: 0.500kg

Product Description

Product Description

Function:

1. Prevent Fluid Leakage: Ensures a tight seal between rotating and stationary components to prevent the pumped fluid (liquid or gas) from escaping into the environment.
2. Minimize Wear and Friction: Reduces contact wear between surfaces through optimized materials and lubrication, enhancing durability.
3. Handle Pressure Differentials: Maintains sealing integrity under varying pressure conditions across multiple pump stages.
4. Resist Thermal Effects: Accommodates thermal expansion and contraction caused by temperature fluctuations during operation.
5. Avoid Contamination: Blocks external contaminants (e.g., dirt, air) from entering the pump and prevents internal media mixing between stages.
6. Reduce Maintenance Needs: Extends service life by minimizing leakage and wear, lowering operational downtime.
7. Enhance Efficiency: Minimizes energy loss from leakage or friction, ensuring optimal pump performance.

These functions ensure reliable, safe, and efficient operation of vertical multistage pumps in applications like water supply, industrial processes, and high-pressure systems.

DESCRIPTIONS:



A mechanical seal is a critical component used to prevent leakage of fluids (liquids or gases) in rotating equipment, such as pumps, compressors, and mixers. It achieves this by maintaining a tight interface between stationary and rotating parts under varying operational conditions.

Key Features and Components

Primary Function:

Ensures leakage control by sealing the gap between the rotating shaft and pump housing.
Prevents contamination of the pumped medium and protects the environment from hazardous fluid release.

Core Components:

Stationary Seat: Fixed to the housing, providing a sealing surface.
Rotating Face: Attached to the shaft, maintaining contact with the stationary seat.
Spring/Bellows: Applies axial force to maintain seal contact under thermal or mechanical stress.
Secondary Seals (O-rings/gaskets): Prevent leakage around the stationary and rotating components.

Design Principles:

Balanced vs. Unbalanced: Balanced seals reduce pressure-induced wear for high-pressure applications.
Single vs. Double Seals: Double seals use a barrier fluid for handling toxic or abrasive media.
Materials: Selected for compatibility with the fluid, temperature, and pressure (e.g., carbon, silicon carbide, elastomers).
Operational Advantages
High Reliability: Minimizes maintenance and downtime in critical systems.
Adaptability: Functions effectively across extreme temperatures (-50°C to 400°C) and pressures.
Efficiency: Reduces energy loss compared to traditional packing seals.
Common Applications
Centrifugal Pumps: Widely used in water supply, chemical processing, and oil refineries.
HVAC Systems: Seals refrigerant compressors.
Industrial Mixers: Handles aggressive chemicals in reactors.
Example Scenario

In a vertical multistage pump, the mechanical seal prevents water leakage between stages while withstanding axial thrust and thermal expansion. Its failure could lead to system inefficiency or environmental hazards, underscoring its role in operational safety.

This description highlights the mechanical seal's engineering significance, emphasizing its role in ensuring leak-free, efficient, and safe operation of industrial equipment.
 

Product application:

 

• Pumps: Centrifugal, multistage, and submersible pumps for water, oil, and chemical transport.
• Compressors: Gas compressors in HVAC, refrigeration, and industrial gas systems.
• Mixers/Agitators: Sealing reactors in chemical, pharmaceutical, and food processing.
• Turbines: Preventing steam or gas leakage in power generation turbines.
• Marine Shafts: Sealing propeller shafts and rudders in ships.
• Automotive: Coolant pumps, fuel systems, and turbochargers.
• Semiconductor: High-purity seals for wafer fabrication equipment.

Ideal for harsh environments with high pressure, thermal stress, or corrosive medi

 

MECHANICAL SEAL SIZE	12MM/16MM/22MM/26MM
Pcs/CTN	10
Packing size (cm)	53x44x27
Gross weight (kgs)	5kgs
Net weight (kgs)	4.8KGS

 

Main Products

Company Profile

Shanghai LeLe Pump Industry Co., Ltd was established in 2016, located in Floor 2, Building C, No. 158 Junmin Road, Nanqiao Town, Fengxian District, Shanghai. The company has its own brand " LELE" and there are five production bases are located in jiangxi, zhejiang, Fujian, Guangdong, Hebei province separately. The company is engaged in the sales and service of  stainless steel borehole pumps, submersible motors, solar pumps, sewage and drainage pumps, surface pumps, pump spare parts, Variable frequency water supply unit and has cooperated with KBS Limited in 2021.Our products are widely used in domestic, commercial, industrial, chemical, mining, petroleum and other fields.

We are a professional, reliable, and honest company. Creating value for our customers is our core value. Believe in us, let's work together to create a better future.

Certifications

Packaging & Shipping

FAQ

Q:What time will you reply if receive the clients' inquiry?
A: Within 4 hours,if in our working time,we will send feedback within 2 hours.

Q: What is your MOQ of this item?
A: 5PCS/type Or 10  PCS/type,we can accept the trial order,please contact our sales firstly.

Q:Is it acceptable to make customers' own brand?
A:Of course no problem,We have 17 years experience in this area. we not only have own brand,but also accept OEM

Q:Are you a factory or a trading company?
A: "SHANGHAI LELE PUMP INDUSTRY CO.,LTD" pump manufactory and trading , we locate in Shanghai city,China. We are selling the products to the clients directly with more reasonble price.Besides,We have ability to produce client's customized order.

Q:Do your factory have catalog ?
A:Of course,we have catalog and can send the catalogue to  customer as request.

Q: What are your payment terms?
A: 30% T/T deposit, 70% against documents, or L/C at sight,accpet western union for small trial order

Q: How long is your warranty?
A: One year.

Q: What's your delivery time?
A: 1.The samples can be sent to you within 5-7days.  
     2.The batch order can be shipped to you within 25-30days after order confirmation