Jiaxing Burgmann Mechanical Seal Co., Ltd. Jiashan King Kong Branch

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MG9 Rubber Bellows Pump Seal

Détails du produit

Lieu d'origine: Zhejiang, Chine

Nom de marque: JG

Certification: FDA certificate

Numéro de modèle: MG9

Conditions de paiement et d'expédition

Quantité de commande min: 1 pièces

Détails d'emballage: boîte blanche

Délai de livraison: 3 ~ 10 jours

Conditions de paiement: T/T, Western Union, MoneyGram

Capacité d'approvisionnement: 1000 pièces

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Les spécifications

Définition

Les spécifications

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                                                                                                                                                                                                                                                                                                                                                                                                      MG9 rubber bellows pump seal, single spring mechanical seal, mechanical seal with rubber bellows
                                                  

Nom du produit:	Joint de pompe MG9	Taille:	8~50mm
Application:	Sélection des pompes à eau	Pression:	jusqu'à 1,2 Mpa
Température:	-10°C à +140°C	Vitesses:	10m/s

Nom du produit:	Joint de pompe MG9
Taille:	8~50mm
Application:	Sélection des pompes à eau
Pression:	jusqu'à 1,2 Mpa
Température:	-10°C à +140°C
Vitesses:	10m/s

Définition

MG9 Rubber Bellows Pump Seal

The MG9 Rubber Bellows Pump Seal offers reliable performance for various industrial pumping applications with its innovative design and material flexibility.

Core Configuration Selection Recommendations

Bellows Material - The Core Factor Determining Seal Life

The performance of the MG9 seal is highly dependent on the elastomer compound. Selection must be based on fluid compatibility and temperature requirements.

Material Option	Optimal Service Conditions	Media to Avoid	Procurement Consideration
Nitrile Rubber (NBR)	Cost-sensitive applications with water, oils, greases at temperatures ≤ 80°C	Ozone, ketones, esters, strong oxidizing agents	The economical choice for standard water and oil services
Ethylene Propylene Diene Monomer (EPDM)	Hot water, steam, alkaline solutions, cold water, low-pressure steam at temperatures ≤ 120°C	Mineral oils, greases, most hydrocarbon solvents	Primary choice for hot water/steam duties, offers excellent aging resistance
Fluoroelastomer (FKM/Viton®)	Broad range of chemicals, oils, high-temperature media. Good temperature resistance up to ~180°C (varies by grade)	Hot water/steam (risk of hydrolysis), ketones, ammonia	General-purpose chemical resistance. Strong overall performance, a common industrial standard

Procurement Advice: Never order by the base model "MG9" alone. The material suffix code is critical. Always specify the full compound designation, e.g., MG9-EPDM or MG9-FKM.

Seal Face Combination - Influencing Wear Resistance & Heat Dissipation

Standard & Cost-Effective

Silicon Carbide (SiC) / Resin-Impregnated Carbon-Graphite

Suitable for the vast majority of applications with clean fluids (water, chemicals without hard particles). This is the most cost-effective procurement option.

Enhanced Wear-Resistant

Silicon Carbide (SiC) / Silicon Carbide (SiC)

Recommended for media containing fine suspended solids (e.g., cooling tower water, water with slight impurities). This pairing significantly extends service life. Although the initial procurement cost is higher, the Total Cost of Ownership (TCO) may be lower due to reduced downtime and replacement frequency.

Key Features

For plain shafts

Single and dual seal configurations

Elastomer bellows rotating design

Unbalanced construction

Independent of direction of rotation

No torsion on bellows and spring

Conical or cylindrical spring options

Metric and inch sizes available

Special seat dimensions available

US Patent No. 6.220.601

Operating Limits

Shaft diameter	10~100mm
Pressure	up to 1.2Mpa
Temperature	-20~140°C
Sliding velocity	10m/s

Material Specifications

Component	Available Materials
Rotary Ring	Carbon / SiC / TC / Ceramic
O-Ring	EPDM, NBR, AFLAS, Kalrez, PTFE
Spring and Metal Parts	SUS304, SUS316
Stationary Ring	Carbon / SiC / TC / Ceramic

Performance Advantages

Spring unit averted from product to prevent sticking and clogging

Safe operation with seal face locking by square pin

Suitable for pressure reversals

Operation in vacuum without additional seat locking

No shaft damage from dynamically loaded O-Ring

Compact installation sizes

Ideal for conversions without pump adaptations

Insensitive to solid-containing and abrasive media

Benefits of balanced seal performance with plain shafts

Insensitive to shaft movements due to stationary design

Application Areas

General Industrial Water Pumps: For sealing clean water, cooling water, and low-pressure hot water in standard centrifugal pumps
Chemical Process Pumps (Mild Services): Suitable for handling mild alkaline solutions, certain diluted acids, and solvents where the rubber material is chemically compatible
HVAC and Circulation Pumps: Used in heating, ventilation, air conditioning, and hot water circulation systems
Irrigation and Agricultural Water Pumps: Applied in pumps for transferring river water, lake water, or treated wastewater
Marine and Shipboard Pumps: Used for general sea water (with compatible material selection), ballast, and bilge pumping duties

Shipping & Payment Terms

Port of Loading: Shanghai
Shipping Method: DHL, UPS, FEDEX, TNT, etc
Payment Terms: T/T, Western Union, MoneyGram

Custom Services

OEM/ODM orders available from our factory
Accept customized mechanical seals according to your drawings or requirements
Small quantity orders accepted
Provides excellent quality with competitive pricing

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MG9 Rubber Bellows Pump Seal