Screw Anchors

PIPELINE SCREW ANCHORS

Pipeline screw anchors are an advanced method of pipeline buoyancy control. Screw anchors are an alternative to concrete and geotextile pipeline weights and continuous concrete pipeline coating.
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KEYMAY provides high-quality, expertly engineered pipeline screw anchors for pipeline projects of various sizing and scales; from pipe sizes NPS 10-48. KEYMAY’s screw anchors can be used in a wide variety of environments and terrain. KEYMAY’s pipeline screw anchors are constructed of the strongest materials and designed for clean, safe and efficient installation with minimal disruption to the surrounding environment. KEYMAY pipeline screw anchors are uniquely designed for onshore and offshore applications, making them versatile in every situation.

KEYMAY provides full-service and support for the pipeline screw anchor procurement and installation process, including providing customized design services, manufacturing and installation services for pipe sizes NPS 10-48.

Features of KEYMAY pipeline anchors

  • Belt strapping
  • Variable pipe sizes
  • Helical anchoring devices
  • Compact and lightweight
  • Reduced transportation costs
  • Low profile to reduce trench depth
  • Load dispersed between anchor points
  • Positive retention without overweighting
  • Support for geotechnical, design, manufacturing and installation

Screw Anchor Materials Approximate Weight


Product Dimensions Approximate Weight
Screw Anchor 38.1 Shaft / 1829 Long / 205 Helix 32 kg
Screw Anchor 38.1 Shaft / 1829 Long / 305 Helix 34 kg
Screw Anchor 38.1 Shaft / 1829 Long / 406 Helix 45 kg
Extension 38.1 Shaft / 914 Long 13 kg
Extension 38.1 Shaft / 1829 Long 25 kg
Extension 44.5 Shaft / 914 Long 15 kg
Extension 44.5 Shaft / 1829 Long 27 kg
Coupling 38.1 Shaft 3.5 kg
Coupling 44.5 Shaft 4 kg
Bollard 38.1 Shaft 8 kg
Bollard 44.5 Shaft 8 kg

Dimensions & Screw Anchor Assembly Materials


Nominal Pipe Size A (Mm) B (Mm) C (Mm) D (Mm) Square Shaft E (Mm) Square Diameter F (Mm) Bolt Suggested # of 1829Mm LongExtensions Per Assembly For Ordering
10 593 160 137 38.1 203 19.1 X 88.9 2.3
12 644 160 162 38.1 203 19.1 X 88.9 2.3
16 726 160 203 38.1 203 19.1 X 88.9 2.5
20 938 215 254 38.1 305 19.1 X 88.9 2.5
24 1040 215 305 38.1 305 19.1 X 88.9 3.5
30 1292 265 381 44.5 406 22.2 X 101.6 4.1
36 1444 265 457 44.5 406 22.2 X 101.6 4.3
42 1597 265 533 44.5 406 22.2 X 101.6 4.5
48 1749 265 610 44.5 406 22.2 X 101.6 4.5

For more information and technical data on KEYMAY”™s screw anchors and installation services, contact us.


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What Our Clients are Saying

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Reliable full-service provider

Project Manager

We started using KEYMAY for their weights, but now they are a supplier or provider in five different aspects of our business – the “one-stop shop” for specialty pipeline and civil products.

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Dedicated service

Pipeline Superintendent

KEYMAY’s service truly represents full understanding of the construction environments – the demands of the project do not cease at 5pm, and neither does KEYMAY’s service.