John Crane Type21 Single Spring Pump Mechanical Seal

Basic Info

Brand: Enactus

Place Of Origin: China

Speed: ≤20m/s

Brand Name: Enactus

Size: 16~120mm,Customized Size

Temperature: -45°C~180°C

Application: Our products are successfully used in different fields, such as Water treatment, Petroleum, Chemistry, refinery, pulp & paper, food, marine etc.

Pressure: ≤1.2mpa

Additional Info

Packaging: Generally, we pack our goods in PE bags and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Transportation: Ocean,Land,Air,Express,Express

Place of Origin: China

Supply Ability: 100000 Piece/Pieces per Day

HS Code: 8484200090

Port: shanghai,guangzhou,ningbo

Product Description

The John Crane Type 21 Single Spring Pump Mechanical Seal is a widely used mechanical seal design for pumps in various industries. It is designed to provide reliable sealing performance and prevent leakage of fluids from the pump.Key features of the John Crane Type 21 Single Spring Pump Mechanical Seal include:
1. Single spring design: It utilizes a single coil spring to maintain the sealing face contact and compensate for face wear during operation.
2. Balanced design: The seal is designed to be balanced, which helps to reduce the seal face loading and minimize frictional heat generation.
3. Bi-directional: The seal is bi-directional, allowing it to be used in both clockwise and counterclockwise rotating pumps.
4. Easy installation: The Type 21 seal is designed for easy installation and can be quickly and securely mounted on the pump shaft.
5. Wide range of applications: The Type 21 seal can be used in a variety of pump applications, including centrifugal pumps, rotary pumps, and other types of industrial pumps.

6. Materials of construction: The seal components are typically made of high-quality materials such as carbon, ceramic, stainless steel, and elastomers to ensure durability and resistance to various fluids and operating conditions.Single Spring Mechanical Seals,Single Coil Spring Seal,Single Spring Seal.

Shaft Size	1/2" to 3"
Material	Face: Carbon, SiC, TC Seat: Ceramic, SiC, TC O-rings:NBR, EPDM, VITON Other Metal Parts : SS316, SS304
Temperature	-20ºC to 150ºC, dependent on the elastomer
Pressure	Up to 8bar
Speed	Up to 10m/s
End play/axial float allowance	±0.1mm