For chemical industry
NMC321
Product brief description
Belongs to...
????( Certified product ) 
Operating Conditions
Temperature：-20℃～ +200℃
Pressure：≤ 2.0MPa
Speed：≤ 15m/sApplications
Petroleum, chemical, oil refining etc.
Materials
Rotary Ring： Q1,Q2,A
Seat Ring： Q1,Q2,A
Secondary Seal：V,K,M1,M2
Spring and Metal Parts：G,M