Contact Us:

Shaanxi DaoLin Mechanical & Electrical Co.,Ltd

Tel: +86-29-84523807-802

Fax: +86-29-84523807-808


Add: Room 11204, No.1 Bldg, ZhengXin Mansion, No.5 GaoXin Yi Road, GaoXin District, Xi'an City, Shaanxi Province, China

Effective Design Internal Multiple Spring Seals for Chemical Pumps

Effective Design Internal Multiple Spring Seals for Chemical Pumps

Item: DL-MS-02
Brand Name: DaoLin
Type: Multiple Spring Mechanical Seal

Product Name:Effective design internal multiple spring seals for chemical pumps


These are very commonly used mechanical seals for clear liquids in most of equipment. Multi spring design has many springs put uniform force over the faces hence increase its life. Multi spring seals are unitized, compact, simple and easy to install. These are bi-directional pusher type mechanical seals suitable to all type of elastomer. Such mechanical seals are available in unbalanced design for low pressure and balance design for high pressure applications. These seals can be designed in double configuration for toxic, hazardous, costly and volatile liquids.

Main application industry:

Mechanical seal application.jpg

Operational Conditions:

Shaft diameter:14mm to 100mm

Temperature:-40ºC to +200ºC




Stationary Ring: Carbon/SiC/Ceramic/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.