1. Operational Conditions: Filling Machine,Packaging Machine,Powder Filler,Automatic Powder Packing Machine,Powder Packing Machine,spice Powder Package Machine,Milk Powder Packing Machine Jiangyin Loongyi Machinery Co.,ltd , https://www.loongyi-asia.com
Temperature: -20°C to +120°C
Pressure: ≤1.0MPa
Speed: ≤15m/s
2. Material Specifications:
Stationary Ring: Ceramic (Alumina), Silicon Carbide Reaction Bonded, Silicon Carbide Sintered Pressureless, Ni-binder Tungsten Carbide
Rotary Ring: Resin Impregnated Carbon Graphite (Furan), Antimony Impreg, Carbon Graphite, Silicon Carbide Sintered Pressureless, Silicon Carbide Reaction Bonded
Secondary Seal: Nitrile (NBR), Ethylene Propylene (EPDM), Fluorocarbon Rubber (Viton)
Spring and Metal Parts: Stainless Steel, Stainless Steel
3. Seat Types:
Standard: L04
Alternative Options: L03, C21
4. Applications:
Suitable for clean water, sewage, oil, and other moderately corrosive fluids. Ideal for industrial pumps and rotating equipment where reliable sealing is essential.
5. Product Features:
This mechanical seal is designed for high performance in various environments. It offers excellent resistance to wear and corrosion, ensuring long service life and minimal maintenance. The single spring design provides consistent pressure, while the elastomer bellows enhance flexibility and adaptability under different operating conditions.
6. Quality Assurance:
Manufactured with precision and tested to meet international standards, this product guarantees reliability and durability. It is suitable for both standard and customized applications.
7. Images:
John Crane Single Spring Elastomer Bellow Mechanical Seals (21, 21T)
Model No.: YX 21, 21T
Type: 21, 21T
Balance: Unbalanced
Stationary Ring Materials: U2, Q2, V1, Q1
Rotary Ring Materials: B, A, Q1, Q2
Secondary Seal Materials: V, P, E
Spring and Metal Parts Materials: F, G
Trademark: YK
Transport Package: Standard or Customized Packaging
Origin: Ningbo, China
HS Code: 8484200090