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            Spider Roller kelly bushing Casing bushing | Safety Clamps  General  Safety clamps are designed and manufactured as per API Spec 7K "Drilling and Well Servicing Equipment", and can be available with two models, WA model and MP model, WA model safety clamps can be avaialbe with WA-T and WA-C, WA-T safety clamps is designed for small dimension pipes, while WA-C  is designed for drill collar or casing; MP safety clamps can be avaialbe with MP-R, MP-M and MP-L models, three models safety clamps can accormordate different dimension of pipes.    WA safety clamps  WA 
            Safety Clamps helps guard against dropping flush-joint pipes, 
            streamlined drill collar, etc. into hole while making up or 
            breaking-out the strings, and give protection against fishing 
            jobs. WA Safety clamps consists of individual links that are hinged 
            together, each link has a separate tapered slip which acts as a 
            gripping member. The positive automatic gripping principle is 
            ideal to help safeguard against dropping strings of flush 
            tubing, to provide a shoulder to position strings of flush line 
            pipe for welding, and many other applications.
 Multi-link design of safety clamps provides uniform pressure 
            around pipes to minimize the risk of crushing thin-walled pipe 
            or damaging pipe surface, all parts of safety clamps are made of 
            alloy steel, heat-treated for strength and gripping ability.
 By adding or removing links, safety clamps can handle different 
            sizes pipes; each link changes the effective working range 
            approximately 1" in diameter. WA Safety clamps can be available 
            with WA-T and WA-C models, WA-T Safety Clamps is designed to 
            handle small diameter pipes range from 1⅛" to 4½", while WA-C 
            Safety Clamps is designed to handle larger diameter pipes.
 
            
              | Product photo of WA safety clamps     | Technical data for safety clamps WA series 
                    
                      |   Model |   Pip OD (in) |   Links |  
                      |   T |   1⅛~2 |   4 |  
                      |   2⅛~3¼ |   5 |  
                      |   C |   3½~4½ |   6 |  
                      |   4½~5⅝ |   8 |  
                      |   5½~6⅝ |   9 |  
                      |   6½~7⅝ |   10 |  
                      |   7½~8⅝ |   11 |  
                      |   8½~9⅝ |   12 |  
                      |   9½~10⅝ |   13 |  
                      |   10½~11⅝ |   14 |  
                      |   11½~12⅝ |   15 |  
                      |   12½~13⅝ |   16 |  
                      |   13½~14⅝ |   17 |  
                      |   14½~15⅝ |   18 |  |  MP  safety clamps  MP   Safety Clamps helps guard against dropping flush-joint pipe, 
            streamlined drill collar, etc. into hole while making up or 
            breaking-out the string, and give protection against fishing 
            jobs. MP    Safety clamps consists of individual links that are hinged 
              together, each link has a separate tapered slip which acts as a 
              gripping member. By adding or removing links, the safety clamps 
              can handle different sizes pipes. All parts of safety clamps are 
              made of alloy steel, heat-treated for strength and gripping 
              ability
 Multi-link design of safety clamps provides uniform pressure 
              around pipes to minimize the risk of crushing thin-walled pipe 
              or damaging pipe surface.
 
            
              | Product photo of MP safety clamps | Technical data for MP safety clamps 
                    
                      |   MP-R |   4½~5⅝ |   7 |  
                      |   5½~7 |   8 |  
                      |   6¾~8¼ |   9 |  
                      |   8~9¼ |   10 |  
                      |   9¼~10½ |   11 |  
                      |   MP-M |   10½~11½ |   12 |  
                      |   11½~12½ |   13 |  
                      |   12½~13⅝ |   14 |  
                      |   13⅝~14¾ |   15 |  
                      |   14¾~15⅞ |   16 |  
                      |   MP-L |   15⅞~17 |   17 |  
                      |   17~18½ |   18 |  
                      |   18⅛~19⅜ |   19 |  |  |