ST型试压堵塞器技术参数
| 
             型号  | 
            
             接头螺纹 API  | 
            
             适用套管规格  | 
            
             堵塞器承压面积 cm2  | 
            
             总长 mm  | 
        ||
| 
             外径in  | 
            
             内径mm  | 
        |||||
| 
             ST4A  | 
            
            NC26 | 
            
             4  | 
            
             
  | 
            
             87.1  | 
            
             41  | 
            
             588  | 
        
| 
             ST44  | 
            
             NC26  | 
            
             41/2  | 
            
             A  | 
            
             97.2-99.6  | 
            
             52.8  | 
            
             588  | 
        
| 
             B  | 
            
             101.6-103.9  | 
            
             60  | 
        ||||
| 
             ST5  | 
            
             NC26  | 
            
             5  | 
            
             
  | 
            
             108.6-115.8  | 
            
             81  | 
            
             588  | 
        
| 
             ST5A  | 
            
             NC31  | 
            
             51/2  | 
            
             A  | 
            
             125.7-128.1  | 
            
             104  | 
            
             588  | 
        
| 
             B  | 
            
             118.6-124.3  | 
            
             96  | 
        ||||
| 
             ST7  | 
            
             NC38  | 
            
             7  | 
            
             A  | 
            
             159.4-166.1  | 
            
             155  | 
            
             685  | 
        
| 
             B  | 
            
             150.4-157.1  | 
            
             133  | 
        ||||
| 
             ST9  | 
            
             NC50  | 
            
             95/8  | 
            
             A  | 
            
             224.4-228.7  | 
            
             305  | 
            
             700  | 
        
| 
             B  | 
            
             216.8-222.4  | 
            
             282  | 
        ||||
| 
             ST10  | 
            
             NC50  | 
            
             103/4  | 
            
             A  | 
            
             250.1-258.9  | 
            
             402  | 
            
             752  | 
        
| 
             B  | 
            
             242.8-247.9  | 
            
             366  | 
        ||||
| 
             ST11  | 
            
             NC50  | 
            
             113/4  | 
            
             A  | 
            
             279.4-281.5  | 
            
             480  | 
            
             782  | 
        
| 
             B  | 
            
             273.6-276.3  | 
            
             464  | 
        ||||
| 
             ST12  | 
            
             NC50  | 
            
             123/4  | 
            
             A  | 
            
             299.85-301.85  | 
            
             582  | 
            
             782  | 
        
| 
             B  | 
            
             303.85-305.85  | 
            
             602  | 
        ||||
| 
             ST13  | 
            
             NC50  | 
            
             133/8  | 
            
             A  | 
            
             317.9-322.9  | 
            
             682  | 
            
             782  | 
        
| 
             B  | 
            
             311.6-315.3  | 
            
             657  | 
        ||||






