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Hydraulic Jacks
Standard Holed & Custom Engineered
Multi Piece Replacement Pistons & Cylinders
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Bore-Max Corporation
3380 Gilman Road
El Monte, CA 91732
Voice 626 443-8616
Fax 626 443-8647
 
Hydraulic Jacks Manufactured to Meet Demanding Safety Codes
Whether from our standard BJ Series Jacks, or custom orders, all our jacks are manufactured to the American Safety code ANSI AI7.1 In addition, each component must pass thorough quality control steps before being released for shipping.
 
When we make custom engineer jacks, your specifications are reviewed, and we communicate with you to ensure the highest level of safety and satisfaction possible.
 
Custom engineered Jack Units and prices are available from the factory on request.
 
 
Standard Holed & Custom Engineered
 
Pistons from 4" to 10-1/2" are standard; other pistons are available on request. One piece pistons to 65' are available. Multi-piece pistons with threaded gray iron couplings are available to meet any job requirement.
BJ Hydraulic Jack Unit Sizes
Plunger Diameter Cylinder Diameter
4" 6"
4-3/8" 6"
5" 8"
5-1/2" 8"
6" 8" or 10"
6-1/2" 8" or 10"
7' 10"
7-1/2" 10"
8" 10"
8-1/2" 10"
9" 12"
9-1/2" 12"

Submit your Survey for a quotation
 
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Multi Piece Replacement Pistons & Cylinders
 
Providing replacement jacks for single bottom cylinders, leaking jack units or any installation that requires multi-piece jack assemblies account for approximately 50% of our jack business.
 
Our cylinders are typically threaded pipe with threaded couplings that are welded on one side in the shop and they are screwed together and weided on the other side in the field, this provided a straight assembly.
 
The pistons are precision threaded in the shop and ductile iron inserts are threaded into one side of the piston and assembled in the field. All joints on the piston are sealed with "O" rings.
 
Cylinder sections are coated with a rust prevention mastic. Tape wrap as an additional protection is available.
 
Piston sections are protected with a coating of protective oil and covered with waxed rust inhibitor paper.
 
Replacement custom buffer spring assemblies are available for most installations.
 
Submit your Survey for a quotation
 
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Hydraulic Jacks Survey Form Submit online using form below or go to Printable FAX-Back PDF form
 
Company
Contact
Phone
Fax
email
Re-enter email
Job
Capacity
No. of Sections
Car Speed
Car Weight
Printable Version
 
To print this form, download the PDF.
 
Hydraulic Jacks Survey Form PDF
 
FAX to: 626 443-8647
Call 626 443-8616 to confirm FAX.
 
 
 
 
Floor Rise (A)
Top of Platform to Spring Strike (M)
Total Top Overtravel (B)
Piston O.D. (N)
Total Bottom Overtravel (C)
Cylinder I.D. (O)
Pit Depth (D)

 
Platform + Bolster + Platen (E)

 
Top of Head to Pit Floor (F)

 
Pit Channels (G)

 
Outlet to Floor (H)

 
Outlet Size (I)

 
Bottom Runby to Springs (J)

 
Spring Stroke (K)

 
Spring Height (L)
Dimensional Information

 
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