Multi Spring Unbalanced Mechanical Seals Alternative to Johncrane Type Seals

Multi Spring Unbalanced Mechanical Seals Alternative to Johncrane Type Seals

Item: DL-MS-01
Brand Name: DaoLin
Type: Multiple Spring Mechanical Seal

Product Details

Product Name: Multi Spring unbalanced mechanical seals alternative to Johncrane type seals                                    


Multiple spring balance mechanical seals are pusher type seals and unbalanced multiple spring mechanical shaft seals generally used where high pressure sealing required. Due to its compact radial and axial dimensions these seals required lower stuffing box space for installation. Multiple spring design ensures uniform loading of seal face and components for acceptable shaft misalignment. These multiple spring shaft seals can be used with different equipment that has rotating shafts such as pumps, mixers and agitators.


Operational Conditions:

Shaft diameter:14mm to 100mm

Temperature:-40ºC to +200ºC




Stationary Ring: Carbon/SiC/TC

Rotary Ring: Carbon/SiC/TC

Secondary Seal: NBR/EPDM/Viton

Spring and Metal Parts: SS304/SS316


Water, Oil, Organic solvent, Weak corrosive fluids,etc.



1.Tissue paper + Carton box

2.As per customer’s requirement

seals packing.jpg

Shipping method: 

1.By Express: DHL,UPS,EMS,TNT or Fedex

2.By air, or by sea are all available.

Seals shipping.jpg

DaoLin manufactures and supplies a wide range of mechanical seals, replacement seals and the seal spare parts. They are widely used in food, beverage and dairy industries.The material parts conform to food safety and hygiene requirements. If you are in fluid processing industry or food industry, please contact us with any questions about products, technical issues, quotes or orders.

Alfa Laval®, APV®, Flygt®, Fristam®, Grundfos®, Hilge®, KSB®, JABSCO®, Johnson® ect, these are some registered trade mark of pumps companies. DaoLin is not associated with, nor a distributor for, these manufacturers. Any name, brand, model or part number is for identification purpose only.


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