美國威格士疊加閥溢流閥
    威格士疊加閥溢流閥系列：DGMDC,DGMFN,DGMPC,DGMRC,DGMX
    型號：GMC2-3-AT-GW-BT-GW-41    
DGMC2-5-AT-FW-BT-FW-B-30   
DGMC-3-PT-BW-B-40
DGMC-3-PT-CW-41          
DGMC-5-AT-FW-B-30 
DGMC-5-PT-GW-B-30
DGMC-5-PT-GW-B-30
DGMDC-3-Y-AM-41 
DGMDC-3-Y-P-K-40
DGMDC-5-Y-PK-30
DGMFN-3-X-A2W-B2W-40
DGMFN-3-X-A2W-B2W-41 
DGMFN-3-X-B2W-41        
DGMFN-3-Y-A2W-B2W-40
DGMFN-3-Y-A2W-B2W-40
DGMFN-3-Y-A2W-B2W-40
DGMFN-3-Y-A2W-B2W-41 
DGMFN-3-Y-A2W-B2W-41       
DGMFN-3-Y-B2W-41       
DGMFN-3-Z-P2W-41
DGMFN-3-Z-P2W-41
DGMFN-3-Z-T2W-41
DGMFN-5-X-A2W-30
DGMFN-5-X-B2W-30       
DGMFN-5-Y（X）-A2W-B2W-30
DGMFN-5-Y-A2W-B2W-30         
DGMFN-5-Y-B2W-30       
DGMFN-7-Y-A2H-B2H-10     
DGMPC-3-ABK-BAK-40
DGMPC-3-ABK-BAK-40
DGMPC-3-ABK-BAK-41
DGMPC-3-ABK-BAK-41     
DGMPC-3-BAK-41        
DGMPC-5-ABK-BAK-30    
DGMPC-5-BAK-30         
DGMPC-7-ABK-BAK-11
DGMR-3-TA-BW-B-40
DGMRC-5-Y-AA-BH-11    
DGMX2-3-PA-BW-B-40
DGMX2-3-PB FW-B-40
DGMX2-3PB-PB-FWB40     
DGMX2-3-PP-BW-B-40
DGMX2-3-PP-BW-B-40-EN13   
DGMX2-3-PP-CW-B-40
DGMX2-3-PP-FW-B-40
DGMX2-3-PP-FW-B-40     
DGMX2-5-PP-BH-B-30     
DGMX2-5-PP-FW-B-3C
DGMX2-5-PP-GW-E-B-30    
DGMDC-3-X-TL-41    
DGMDC-3-X-TM-41    
DGMDC-3-Y-AK-BK-41   
DGMDC-3-Y-AM-BM-41   
DGMDC-3-Y-PK-41     
DGMDC-5-X-TN-30
DGMFN 3 Y A2W B2W 41
DGMFN-3-X-A1W-41 
DGMFN-3-X-A2W-40 
DGMFN-3-X-A2W-B2W-41      
DGMFN-3-X-B1W-41      
DGMFN-3-X-B2W-41     
DGM