API 11B Polished Rod Clamp for Oilfield Pumping Unit with One Bolt Two Bolts or Three Bolts

Thank you for choosing our no-dent standard polished rod clamp.

The product is manufactured strictly in accordance with Oil and Gas Industry Standard of People's Republic of China SY/T5029.The standard is equal to international standard ISD 10428 and API Spec 11B.

No-dent standard polished rod clamp is suitable for the standard polished rods that the nominal diameters are 25.4mm,28.6mm,31.8mm and 38.1mm,the dimension accuracy is D(+0--0.25). The nominal working load is designed as standard polished rod accuracy after strict test.

On customer's request,we can produce no-dent polished rod clamp that the nominal diameter and dimension accuracy are not standard.The polished rod clamp is strictly tested as standard and the working load is reliable and has no harm to polished rod.

Each polished rod end surface has adapted polished rod nominal diameter and working load. Please install as instruction.The following technical parameters of no-dent polished rod clamp are for reference.