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| Categories | Floating Seal Group | 
|---|---|
| Brand Name: | MIDAO | 
| Model Number: | 3660 Size (394*366*19) | 
| Certifiion: | ISO9001 | 
| Place of Origin: | CHINA | 
| MOQ: | 10 Sets | 
| Price: | Negotiations | 
| Payment Terms: | L/C,T/T,Western Union,MoneyGram,Alipay | 
| Supply Ability: | 3000 Sets | 
| Delivery Time: | 5-15 Days After Payment | 
| Packaging Details: | Carton | 
| Material: | NBR, FKM, Silicone, HNBR, Rubber, Metal | 
| Hardness: | 70-90 Shores | 
| Color: | Black, As Picture Show | 
| Style: | Excavator Mechanical Floating Seal Group | 
| Application: | Komatsu, , Sumitomo, Kobelco, Hitachi, Kato, Daewoo, Hyundai, , , Sany, Kubota, | 
| Feature: | High Pressure Resistance, Wear Resistance, Long Service Life | 
| High Light: | Factory Price 3660 Size (394*366*19) High Quality Mechanical Floating Seal Group | 
| Company Info. | 
| Guangzhou Tianhe Qianjin Midao Oil Seal Firm | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
| Name | FKM Rubber Floating Seal Group , 3660 Mechanical Floating Face Seal 394*366*19 | 
| Model Number | Mechanical Floating Seal Group 3660 Size (394*366*19) | 
| Quality | Top Quality | 
| Material | NBR, FKM, Silicone, HNBR, Rubber, Metal | 
| Color | Black As Picture Show | 
| MCQ | 10 sets | 
| Hardness | 70~~90 Shores | 
The 3660 Mechanical Floating Face Seal represents premium-grade engineering for heavy-duty industrial applications. Designed with precision dimensions (39436619 mm) and constructed from high-performance FKM (Fluoroelastomer/Viton), this floating seal group delivers exceptional resistance to extreme temperatures, chemicals, and abrasive environments. Ideal for machinery requiring robust, long-lasting sealing solutions, it ensures minimal downtime and maximum operational efficiency.
Key Features
· Premium Material Options:
Manufactured using FKM (Viton), NBR, Silicone, HNBR, Rubber, and
Metal components, providing flexibility to meet specific
operational needs (e.g., chemical resistance, high-temperature
stability).
· Exceptional Durability:
Hardness rating of 70–90 Shore A ensures superior resistance to
wear, compression set, and mechanical stress, even under
high-pressure conditions.
· Precision Engineering:
Designed to exact specifications (39436619 mm) for seamless
integration into rotating equipment, ensuring optimal performance
and leak-free operation.
· Wide Compatibility:
Suitable for use with oils, fuels, solvents, and aggressive
chemicals, making it versatile across industries.
· Reliable Sealing Performance:
Combines static and dynamic sealing capabilities to protect
machinery from contaminants and fluid leakage.
Technical Specifications
Parameter Description
Product Name FKM Rubber Floating Seal Group
Model Number 3660 Mechanical Floating Seal Group
Dimensions 394 mm (Outer Diameter) x 366 mm (Inner Diameter) x 19
mm (Thickness)
Material FKM (Standard), with options for NBR, Silicone, HNBR,
Rubber, and Metal
Color Black (as shown in product images)
Hardness 70–90 Shore A
Minimum Order Quantity 10 sets (custom quantities negotiable)
Applications
· Construction & Mining Equipment: Excavators, bulldozers, tunnel
boring machines.
· Agricultural Machinery: Tractors, combines, harvesters.
· Industrial Systems: Pumps, compressors, gearboxes, and rotary
shaft assemblies.
· Automotive: Heavy-duty vehicle transmissions and engine systems.
Benefits
· Extended Service Life: Resists degradation from heat, chemicals,
and abrasion.
· Leak Prevention: Maintains sealing integrity under high-pressure
and high-temperature conditions.
· Easy Installation: Precision-machined for compatibility with
standard industrial equipment.
· Cost-Efficient: Reduces maintenance frequency and replacement
costs.
Packaging & Delivery
· Packaging: Individually wrapped in anti-corrosion materials and
shipped in sturdy cartons.
· Lead Time: 3–10 days after order confirmation (varies based on
quantity and customization).
Why Choose This Seal?
This FKM Floating Seal Group is engineered for reliability in the most demanding environments. Its advanced material composition and rigorous manufacturing standards ensure consistent performance, making it the preferred choice for industries prioritizing equipment longevity and operational efficiency.
| Compound | Hardness,Shore A | Tensile strength,Mpa | Elongation at break,% | Temperature range | 
| NBR | 60±5 | ≥12 | ≥300 | -35℃~100℃ | 
| HNBR | 60±5 | ≥13 | ≥350 | -30℃~150℃ | 
| VMQ (Silicone rubber) | 60±5 | ≥6 | ≥300 | -50℃~200℃ | 
| FPM/FKM (Fluorine rubber ) | 60±5 | ≥7 | ≥200 | -10℃~180 | 



Guangzhou Midao (Mido) Oil Seal is a leading supplier specializing in high-performance oil seals and sealing solutions. Renowned for their durability and reliability, Midao's products are widely used in various machinery, from construction equipment (e.g., excavators) to industrial applications. The company serves a global clientele, providing critical components to the machinery industry worldwide.
The history of exhibition
2001 Beijing BICIS
2004 Shanghai Bauma
2005 Beijing BICIS
2006 Shanghai Bauma
2007 Beijing BICIS
2009 Beijing BICIS
2011 Beijing BICIS
2013 Beijing BICIS
2024 Moscow CTT
2024 Shanghai Bauma

FAQ
Q1. Why should I choose your products?
While operating our own manufacturing facility, we also distribute oil seals from renowned international brands. We are committed to providing one-stop solutions to meet all our customers' diverse needs. Excavator/ Loader/ Motor Grader Seal kits and Spare Parts.
Q2. What series of products does your company have?
Excavator/ Loader/ Motor Grader Seal kits and Spare Parts.
Q3. Any other good service your company can provide?
Yes. Conduct regular follow-up visits, and there are dedicated staff available online 24 hours a day
In the era of digital office, our company is committed to providing customers with comprehensive and efficient service experiences. The "Online Specialist Response" is a key component of this commitment.
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