Both insiders and laymen know about seals. Literally, seals are small things that achieve sealing effects, and all components that play a sealing role are collectively referred to as seals. Commonly used names for seals include sealing rings, packing, mechanical seals, oil seals, water seals, etc. Seals are divided into shaft seals, hole seals, dust seals, guide rings, fixed seals, and rotary seals according to their functions; According to materials, there are nitrile rubber, EPDM rubber, fluororubber, silicone, fluorosilicone rubber, nylon, polyurethane, engineering plastics, etc. Let's take a look at the seals below.

1、 What is the seal

Seals are materials or parts that prevent fluid or solid particles from leaking from adjacent mating surfaces and prevent external impurities such as dust and moisture from invading the internal components of machine equipment.

2、 Common names of seals

Sealing rings, packing, mechanical seals, oil seals, water seals, packing, sealing pads, sealants, soft fillers, hydraulic seals, pneumatic seals, etc.

3、 Types of seals

1. Classified by function: divided into shaft seals, hole seals, dust seals, guide rings, fixed seals, and rotary seals;

2. According to material classification: it is divided into nitrile rubber, EPDM rubber, fluororubber, silicone, fluorosilicone rubber, nylon, polyurethane, engineering plastics, etc.