BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Blind Shear Ram

Assembly

Ram preventer fitted with hardened blades that cut the drill pipe and then seal the open bore. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Blind Shear Ram parts and their functions

6 top-level parts · 8 parts in total · full bill of materials below
Blind Shear Ram parts diagram: 1 upper shear blade, 2 lower shear blade, 3 shear seal packer, 4 shear booster piston, 5 ram bonnet, 6 fastener set. 8 parts in 6 top-level items.
Blind Shear Ram parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Upper Shear Blade 1× Hardened V-profile blade that deforms and cuts the pipe against the lower blade.
2 Lower Shear Blade 1× Straight anvil blade that supports the pipe during the shear stroke.
3 Shear Seal Packer 1× Post-shear elastomer seal
4 Shear Booster Piston 2× Extra closing force for shearing
5 Ram Bonnet 2× Hinged door that closes the ram cavity and reacts the operating cylinder load.
6 Fastener Set 1× Bolts, nuts, and washers.

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Blind Shear Ram

6 top-level lines · 6 rows shown · 8 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Upper Shear Blade blowout-preventer-shear-blade-upper 1× 1 · part
2 Lower Shear Blade blowout-preventer-shear-blade-lower 1× 1 · part
3 Shear Seal Packer blowout-preventer-shear-seal 1× 1 · part
4 Shear Booster Piston blowout-preventer-booster-piston 2× 2 · part
5 Ram Bonnet blowout-preventer-ram-bonnet 2× 2 · part
6 Fastener Set fastener-set 1× 1 · part

Something wrong in this list? Report a problem with this BOM.

Where the blind shear ram is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks