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Spring mechanical seal Type 551
for water pumpsmetalNBR

spring mechanical seal
spring mechanical seal
spring mechanical seal
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for water pumps
metal, NBR, PTFE, carbon
Other characteristics
conical, face
Operating temperature

Min.: -20 °C (-4 °F)

Max.: 180 °C (356 °F)


Basic Features Structure: Single End Pressure: Low Pressure Mechanical Seals Speed: General Speed Mechanical Seal Temperature: General Temperature Mechanical Seal Performance: Wear Standard: DIN24960, ISO3069, GB6556 Model NO.: 551, BT-RN Balance: Unbalanced Specification: Inner Diameter: 10 mm to 50 mm Product Detailed Description YALAN Type 551 Single Coil Spring Mechanical Seal for Water Pumps, Temperature Control Pumps, Vacuum Pumps and Heat-exchange Oil Pumps Structural Features: single end, unbalanced, conical spring, dependent direction of rotation, spring transmission. This seal component has a simple structure, high compatibility and stable performance with great spring compensation. Industrial Standards: DIN24960, ISO3069, GB6556 Scopes of Application: widely used in water pumps, temperature control pumps, vacuum pumps and heat-exchange oil pumps. Mainly used in leathering, waste water treatment, plastic, and food machinery industry. This product can be an alternative to similar products such as John Crane Type 551 or EagleBurgmann BT-RN. Operation Parameters: Pressure: 0.8 MPa or less Temperature: - 20 ~ 180 ºC Linear Speed: 10 m/s or less Materials: Rotary Ring Face: SS316L/SiC/TC Stationary Ring Face: Carbon/SiC/TC Elastomers: NBR/Viton/EPDM/PTFE/FFKM Springs: SS304/SS316 Metal Parts: 410S/SS304/SS316/SS316L Mediums: oil, water, weak acid, alkali, and organic solvents. Customization: Changes of materials for getting other operating parameters are possible. Contact us with your requirements.


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