1528 type is a product originated from 1527 type. Its installation size is as same as 1527, but the sealing rings are more diverse, e.g. PTFE V-type and O-type rings. Therefore, it can be used in a wider range.
Operational Conditions:
Temperature:-20 degree to plus 180 degree
Pressure: Less than or equal to 1.0Mpa
Speed: Less than or equal to 15m/s
Materials:
Stationary Ring: Ceramic(Alumna)
Silicon Carbide ,Reaction bonded
Silicon Carbide,Sintered Pressureless
Ni-binder tungsten Carbide
Rotary Ring: Resin lmpregnate Carton Graphite(Furan)
Antimony lmpreg Carbon Graphite
Silicon Carbide,Sintered Pressureless
Silicon Carbide ,Reaction bonded
Secondary Seal:NBR,EPR,FPM
Spring and Metal Parts: Stainless steel 304 and 316 ,Hast C4
Seat Type:
Standard: 24DINL
Alternative: G6, G9
Applications:For use in oil or chemical flow pumps,vessel pumps and so on.
http://fr.egerseal.com/