Type 551 is single-end, unbalanced, conical spring with dependent rotation direction and spring transmission. This seal features a compact structure, excellent compatibility, stable performance and superior spring compensation.Type 551 is widely applied in water pumps, temperature control pumps, vacuum pumps and heat transfer oil pumps, mainly serving the leather industry, wastewater treatment, plastics processing and food machinery sectors.This product can directly replace equivalent models such as John Crane Type 551 and EagleBurgmann BT-RN.
Mechanical Seal, Mechanical Seal, mechanical seal for pump
551
Materials:
Sealing ring:316L,SiC,TC
Elastomers: NBR,PTFE,FFKM,EPDM,FKM
Springs: 304,316
Metal Parts:410S, 304,316,316L
Process condition:
Pressure：0～0.8Mpa
Temperature：-20℃～180℃
Line speed：≤10m/s
Shaft size：10～50mm
Mediums: oil, water, amorphism acid, alkali, salt, and organic solvents.
Application: Water Pumps, Temperature Control Pumps, Vacuum Pumps and Heat-exchange Oil Pumps
