API MECHANICAL-HYDRAULIC SHOCK ABSORBER TYPE DHJ

  • group nameDownhole Tools

  • Min Order1 piece

  • modelDHJ

  • update timeMon, 08 Apr 2013 00:26:59 GMT

Paramtents

  • Processing Type Casting

  • Machine Type Drilling Equipment

  • Type shock absorber

  • Use Well Drilling

  • Certification API

Packging & Delivery

  • Min Order1 piece

Briefing

MECHANICAL-HYDRAULIC SHOCK ABSORBER :
Mechanical and hydraulic shock absorber is a new type two-function shock absorb

Detailed


MECHANICAL-HYDRAULIC SHOCK ABSORBER :
Mechanical and hydraulic shock absorber is a new type two-function shock absorb

MECHANICAL–HYDRAULIC SHOCK ABSORBER  

 

Mechanical and hydraulic shock absorber type DHJ is a new type two-function shock absorber. It absorb the pulsate and shock from drill tools by compressing spring and si oil to store the energy. This shock absorber have advantages of well maintainable, bears high load and long usage life.

Model

DHJ121

DHJ159

DHJ178

DHJ203

O.D. mm

121

159

178

203

I.D. mm

38

50.8

57

71.4

Max. stroke  mm

100

120

120

140

Max.working drill pressure mm

40

60

60

70

Connection   API

3 1/2REG

NC46

NC50

6 5/8REG

Over length of pulling off   mm

3400

4210

4210

4700