1,Reliable seal function ,the body seals and under joint is mental to metal to metal and the seal flexible combination of s

Application:

  MC model mechanical grading hoop main apply to special cementing , it could work with close plug gravity plug ,one grade rubber plug and  pressure touch block

Characteristics:

    1,Reliable seal  function ,the seals of body and  under joint is mental to metal to metal and the seal flexible combination of sealing

2,Short body length , the maximum degree of reduction of full stress

    3,Bypass seals doesn’t change the position during the operation, the greatest reduce the opportunity of seals destroyed

4,The special closure design of bypass hole could save the problem of  turning off liquid compression between close plug and gravity plug 

5,Reliable lock ring design could make bypass hole permanently closed

6,Simple bite lock to prevent the rotating parts when drilled , save the drilling time(drilled to save time)

7,Easy to drill  the minimum volume drill  design  drilled to save time

8,The all kinds parts of grade hoop don’t exit welding

9,Could provide the high performance steel products and anti-sulfur products.

10,Provide a variety of special key-buckle

Main technology index

Function parameter
applicable  dimension of sleeves		tool		Open sleeves Inner diameter	Turn off diameter	Open pressure	Turn off pressure
External diameter	weight	External diameter	path
in	lbs/ft	in	in	in	in	psi	psi
5 1/2	14.00-17.00	6.625	4.892	3.750	4.062	1200	1200
	20.00-23.00		4.810
7	17.00-23.00	8.275	6.276	4.625	5.125	1200	1200
	26.00-29.00		6.200
	32.00-38.00		6.004
9 5/8	32.30-40.00	11.125	8.921	7.000	7.750	1000	1200
	43.50-53.50		8.600

Hydraulic mechanical Grade Hoop