Reasonable Structure
Reliable Sealing
Easy Open or Close
Easy Operation
Easy Maintenance
Long Usage Life
Size:   1-13/16”    2-1/16”     2-9/16”    
           3-1/8”&3-1/16”      4-1/16”
Working Pressure:        3000PSI     5000PSI     10000PSI     15000PSI
Level:                  DD   EE   FF  
Working Temperature:     PU    LU
PSL: 1~3G       PR:1