Oilfield API On Set Screw Stop Collar Centralizer Casting Slip 4-1/2" To 20"
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                                            Casting Slip 4-1/2" To 20", Slip On With Set Screws Stop Collar On Set Screw Stop Collar For Oilfield API Stop Collar STOP COLLAR ADVANTAGES AND MAIN FEATURES 1- limit the movement of centralizers on the pipe 2- manufactured to withstand high axial forces......                                         
                                            Jiangsu Service Petroleum Technology Co., Ltd
                                         
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API 5-1/2'' Slip On Set Screw Stop Collar Stainless Steel Stop Collar For Cementing Oilfield
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                                            API 5-1/2'' Slip On Set Screw Stop Collar Stop Collar also called spacing ring, locking ring, brake, etc., Stop collar (Stop ring) is used to fix the centralizer on the casing and prevent centralizers moving up and down.It's using to limit on the casing centralizer or cement umbrella, sliding, covered wire, set screw type and jewels three. Hinged bolted Stop Collar......                                         
                                            Puyang Zhongshi Group Co., Ltd.
                                         
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Tubing and Casing Centralizers with stop collars
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                                            ...20''. More special sizes or combination are available as requested. Slip on Single Piece Bow Spring Centralizer Features: 1. The stop collars are available in three types: Knock-On Type, Spiral Nail Type and Set Screw Type. 2. The stop collars can be...                                         
                                            Dongying On-tech Equipment Co., Ltd
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