Product Description The polish rod clamps are with hinge-joint butterfly structure. The body is made of high grade casting steel and accomplished with subjected heat treatment. The clamps hold the polish rods tightly with force of friction. No any inserts with teeth needed. So damages and cuttings on the polish rod surface can be eliminated. The specifications and main parameters Working tempareature(�C) 350 350 350 Working pressure (MPa) 17 17 17 Sealing temperature (�C) 250 250 250 Connection threads Up:2-7/8NUE down:2-7/8"NUE Up:4-1/2"BCSG,Down:2-7/8NUE Up:4-1/2"BCSG,Down:2-7/8"NUE Certification API 11B Material Alloy steel Processing Type Casting Use Oil production Specification 1", 1-1/8", 1-1/4", 1-1/2", 1-3/4" Function Connect with sucker rod pump and sucker rod Thread type EUE, NUE Surface processing Phosphate electrostatic spraying Types One bolt, two bolt, three bolt clamp Our Services For more information, you can contact me : Looking forward to cooperating with you!
