Shengji no-dent API 11B polished rod clamp for oil production

Shengji no-dent API 11B Polished Rod Clamp For Oil Production

Shengji no-dent standard polished rod clamp 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. The product was awarded the utility model patent and design patent. Shengji no-dent standard polished rod clamp is suitable for the standard polished rods that the nominal diameters from 22mm to 38.1mm, which can meet the requirements of different pump depths, polished rod sizes and loads. Shengji oilfield rod clamp manufacturer according the the requirement of customer can produce Shengji no-dent polished rod clamp that the nominal diameter and dimension accuracy are not standard. Shengji polished rod is no dent, can effectively reduce the damage to the polished rod and the packing of stuffing box. If the viscosity of crude in the well is high, and the impact happens due to the down stroke lag of polished rod, Shengji oilfield rod clamp manufacturer recommends to change a clamp of larger working load or use two clamps of same model and same load to increase working load.

WL12000		Polished Rod Diameter	Working load	Tightening Torque	Weight
		22mm	78.5KN	3200N.m	5.6Kg
		25mm	100KN		5.5Kg
		25.4mm (1in)	100KN		5.5Kg
		28.6mm (1 1/8in)	118KN		5.5Kg
WL16000		Polished Rod Diameter	Working load	Tightening Torque	Weight
		25.4mm (1 in)	118KN	1545N.m	7.3 Kg
		28mm	157KN		7.2 Kg
		28.6mm (1 1/8in)	157KN		7.2 Kg
		31.8mm (1 1/4in)	157KN		7.1 Kg
		32mm	157KN		7.1 Kg
		38.1mm (1 1/2in)	178KN		9 Kg
WL18100		Polished Rod Diameter	Working load	Tightening Torque	Weight
		31.8mm (1 1/4in)	178 KN	1977N.m	10.35Kg
		32mm	178 KN		10.35Kg
		38.1mm (1 1/2in)	178 KN		10.2Kg

1. No dent, effectively reduce the damage to the polished rod and the packing of stuffing box

2. In accordance with the industry standards SY/T5029-2013 and API Spec 11B.

3. The product was awarded two utility model patent and one design patent.

4. Three models:  can meet the requirements of different pump depths, polished rod sizes and loads.

5. Can be used alone, can also be used with two same model and same load to increase the working load.

 Single Bolt Polished Rod Clamp Slippage Test

After testing, the single bolt polished rod clamp was loaded to 25 tons, no slippage phenomenon.

Performance Comparison with Conventional Polished Rod Clamp

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