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API 11B Wellhead equipments Polished Rod Clamps

Polished Rod Clamp Type: Single bolt, Double bolts, Three bolts, Square, Semi-circle Forming process: Forged, Casting For polished rod: 1”, 1-1/8”, 1-1/4”, 1-1/2”, 1-3/4” Rated load: 13000lbs, 26000lbs, 4000lbs


Polished rod clamp


1. Introduction of Wellhead equipments polished rod clamps

The Wellhead equipments polished rod clamps are used to connect the polished rod and pump unite.


2. Material

1. Chemical Composition

To meet the requirements of this specification, polished rod manufactured from any AISI or equivalent specification recommended cast iron or carbon steel as follows.

a) ASTM A536 ductile iron 65-45-12, or equivalent international series number.

b) Carbon Steel; aisi1015 to 1045 or AISI 1515 to 1545, or equivalent international series number.

2. Mechanical Properties

Tie allowable hardness range for polished rod clamps is between 190 and 300 HB

3. Maximum Load Rating

Each polished rod clamp design has a stated maximum load rating. The maximum rated load is no more than 75% of the minimum load to initial slippage when a new polished rod clamp which has successfully completed validation testing per in accordance with this specification.


3. Specification

Polished rod clamps are furnished for the polished rod sizes.



Qty of bolts

Manufacturing way

Rated loading


1-1/8” (28.58mm)


Casting, Forging, Machining


1-1/4” (31.75mm)


1-1/2” (38.10mm)





Tianjin Soright is one of the largest API 11B Wellhead equipments polished rod clamps manufacturers and suppliers in China, who can offer you the free sample and the quotation consultation service. Welcome to buy the low price and high quality products made in China from us.

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