Capabilities

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LoneStar Leeds offers complete turnkey solutions for precision engineered components, metallic seals, gaskets and kitting. All fully tested, inspected and certified to customer and industry standards.

Precision engineering

Manufactured to customer specifications, drawings & international standards

Sealing technologies

Manufacturing metallic seals to order and stocking ‘off the shelf’ gaskets

Surface coating

In-house coating & plating

LONESTAR Leeds IN NUMBERS

Precision engineering

Manufacturing a wide range of precision engineered components to both customer specifications and international standards.

LoneStar Leeds is more than just a machine shop! In addition to the precision engineered components, we also provide turnkey solutions utilising our in-house assembly, testing, coating and inspection

Products supplied include:

Gate assemblies
Valve stems, seats and blocks
Hubs
Clamps
End fittings
Connectors
Actuator components
Hydraulic manifolds
Flanges, block elbows and tees

Machining capacity:

12 x CNC lathes up to 3.3m long
10 x CNC machining centres 630 x 630 x 1000mm
Multi-axis C&Y mill turn capability
Facing head capability
3, 4 & 5-axis machining

Complimented by special machining processes:

Honing
Lapping
Wire eroding
Spark eroding
Cylindrical grinding
Flat grinding

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Sealing technologies

Specialising in thin-walled annular components, LoneStar Leeds is highly skilled in the manufacture of metallic seals for use in critical applications across a wide range of materials, from carbon & stainless steels to exotic high-nickel alloys

Products supplied include precision engineered seals:

Metal lip seals
U seals
Dual-metal seals
Spacer rings
Multi-bore seal assemblies
API ring type joint (RTJ) gaskets
AX/VX-style seals
Casing/Tubing hanger components

Flange Gaskets & Sheet Jointing:

Spiral wound gaskets (SWG)
Kammprofile gaskets
Kitting soft cut gaskets and O-rings

Machining capabilities:

11 x CNC lathes up to 850mm dia.
4-axis milling
CNC water-jet cutting - 3000mm x 1500mm bed
CNC laser cutting - 3000mm x 1500mm bed
CNC wire eroding
Spark drilling

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Surface coating

Our in-house coating & plating facility ensures that LoneStar Leeds retains complete control over the entire manufacturing process. Often the final operation, having control of this vital process enables us to ensure quality and on-time delivery.

Coatings supplied include:

Electroless nickel plating (precipitation hardening)
Silver plating
Xylan coating (Whitford approved)
PTFE/Teflon
Molybdenum disulphide
Zinc phosphating
Shot peening (glass, steel)
Epoxy painting
White pickling
Vapour degreasing
Polishing

Industries served:

Automotive
Laser manufacture
Oil & Gas
Food industry
Defence
Electronics
General engineering

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Lonestar Leeds specializes in

Given our long history and diverse manufacturing capabilities, the combination of the three specialisms of precision engineering, sealing technologies and surface coatings, allows LoneStar Leeds to meet the most demanding and varied requirements of a diverse range of industries.