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EMG1 Rubber Bellows Seal

Categories Single Mechanical Seal
Brand Name: JG
Model Number: MG1
Certification: FDA and ISO 9001:2008
Place of Origin: China
MOQ: 5pcs
Payment Terms: T/T,Western Union,MoneyGram
Supply Ability: 2000pcs
Delivery Time: 3~10days
Packaging Details: white box or as customer's requirement
Product name: EMG1 Rubber Bellows Seal
Feature: Oil-proof Wear-resistant
Metal Parts: Stainless Steel (e.g., AISI 304, 316)
Application: Submerged Pump Seal
Temperature: -20~120℃
Pressure: ≤1.2Mpa
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EMG1 Rubber Bellows Seal


EMG1 Rubber Bellows Seal


In essence, it is a cartridge-type mechanical seal that utilizes a flexible, rotationally-mounted rubber bellows as both the secondary sealing element and the spring mechanism, eliminating traditional coil springs and shaft-mounted O-rings.


AspectDescription
Core DesignRotating elastomer bellows design; optimized geometry for improved self-alignment and reduced stick-slip; full-length shaft protection sleeve.
Primary AdvantagesFull interchangeability with MG1 series; tolerant of shaft deflection; protected sealing faces during installation; robust performance in demanding services.
Typical Face MaterialsAntimony/Resin-Impregnated Carbon, Silicon Carbide (eSiC-Q7), Tungsten Carbide.
Bellows/Elastomer MaterialsNBR (Nitrile), EPDM, FKM (FPM/Viton®). Material selection is critical for fluid compatibility.
Metal PartsStainless Steel (e.g., AISI 304, 316), Hastelloy.
Recommended ApplicationsIndustries: Chemical, Petrochemical, Pharmaceutical, Sugar, Pulp & Paper, Water & Wastewater, Food & Beverage.
Media: Water, wastewater, slurries (solids ≤ 5%), chemicals, oils, emulsions.

Key Technical Details & Recommendations

  1. Technical Evolution: The eMG1 features an optimized bellows geometry for better shaft follow-up and a proprietary PEEK-PTFE disc on the bellows foot, which acts as a self-cleaning and centering device against the shaft, enhancing reliability.

  2. Application Versatility: Beyond standard centrifugal pumps, it is suitable for screw pumps, submersible pumps, and can be configured as a tandem or back-to-back double seal for hazardous media or higher-pressure applications.

  3. Selection Imperative: Correct selection is paramount. The choice of face material combination and, crucially, the elastomer compound for the bellows must be made based on the exact fluid composition, temperature, pressure, pH, and solids content. Always consult the manufacturer's chemical resistance and temperature rating charts.

Operating parameter:

OPERATING LIMITS
Temperature-20°C to 120°C
Pressure≤1.2 MPA
Speed≤10m/s
MediumWater,oil,ect,weak corrosive medium


COMBINATION OF MATERIALS

1. Sealing face: Silicon carbide

2. Secondary sealing:

3. Metal component: Stainless steel





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