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Thread & flange protection

Oilfield & Gas Industries

Thread protectors, top hat flange covers and bolt hole covers that keep pipes, valves and manifolds clean through storage, transport and installation.

  • WRAS / BS 6920:2014 certified (centralizer for pump)
  • Non-cytotoxic: suitable for drinking-water contact
Get a quote See 3 products
Plastic products for Oilfield & Gas Industries by AK Plast ISO 9001:2015 · Made in UAE
HDPE / PP

Hammer Union Thread Protectors

Thread protectors for hammer unions, swivel joints and manifolds. They are moulded from a durable, impact-resistant and UV-stabilised material, and are designed to install and remove more quickly than standard hammer union covers. Available for Figure 1502, 602, 1002 and 200–206 unions, male and female.

Application
Hammer unions, swivel joints, manifolds
Versions
Male & female
Properties
Impact resistant, UV stabilised
Colours
  • Red
  • Green
  • Blue
Available sizes (4 sizes)
FigureSizes (male & female)
Figure 1502 2", 3", 4"
Figure 602 2", 3", 4"
Figure 1002 3", 4"
Figure 200–206 2", 3", 4", 6"
Get a quote Details about Hammer Union Thread Protectors Data sheet (PDF)
LDPE

Top Hat Flange Covers

A plastic protective cap that covers the entire flange face, preventing damage, contamination and corrosion of pipe and valve flanges during storage, transportation, installation and maintenance. Moulded in durable LDPE in sizes from ½" (DN15) to 12" (DN300); custom sizes are available on request.

Application
Full-face flange protection
Size range
½" (DN15) to 12" (DN300)
Custom sizes
Available on request
Colours
  • Blue
Size chart (all LDPE) (17 sizes)
InchDNØ (mm)H (mm)D1 (mm)D2 (mm)
1/2 DN 15 44 17 9 17
3/4 DN 20 54 19 12 22
1 DN 25 66 22 17 28
1 1/2 DN 40 90 29 28 43
2 DN 50 100 30 38 53
2 1/2 DN 65 118 32 42 69
3 DN 80 131 33 52 83
3 1/16 — 155 36 70 88
4 DN 100 157 35 70 106
4 1/16 — 180 38 73 107
5 DN 125 182 37 90 128
5 1/8 — 210 42 100 135
6 DN 150 214 42 115 155
7 1/16 — 273 47 170 182
8 DN 200 273 47 170 210
10 DN 250 325 50 210 262
12 DN 300 386 25 265 316
Get a quote Details about Top Hat Flange Covers Data sheet (PDF)
LDPE

Bolt Hole Covers

A durable plastic cover designed to shield flange bolt holes from dust, moisture and corrosion during storage, transport and installation, ensuring long-term protection and performance. Made from LDPE in blue, in 14 sizes from ½" (DN15) to 12" (DN300) and pressure classes from #150 to #2500.

OD range
44 mm – 386 mm
Height range
17 mm – 55 mm
Sizes
DN15 to DN300 (14 sizes)
Colours
  • Blue
Sizes & class ratings (11 sizes)
Size (inch)Class ratings
1 #150, #300, #600, #900, #1500
1 1/2 #150, #300, #600, #900, #1500, #2500
2 #150, #300, #600, #900, #1500
2 1/2 #150, #300, #600
3 #150, #300, #600, #900, #1500, #2500
4 #150, #300, #600, #900, #1500, #2500
5 #150, #300, #600
6 #150, #300, #600, #900, #1500, #2500
8 #150, #300, #600, #900
10 #150, #300, #600, #900, #1500
12 #150, #300, #600, #900, #1500
Get a quote Details about Bolt Hole Covers Data sheet (PDF)
Custom moulding

Need a size, colour or part that isn’t listed?

Our oilfield range protects hammer unions, swivel joints, manifolds and flanges from damage, contamination and corrosion. Covers are moulded in impact-resistant, UV-stabilised HDPE/PP and LDPE, in standard sizes from ½" (DN15) to 12" (DN300) and custom sizes on request.

We manufacture from your mould, drawing, sample or specification, and offer OEM manufacturing under your own brand.

  1. 01

    Send your requirement

    Share a mould, technical drawing, sample or specification, with quantities.

  2. 02

    We assess & advise

    Our team reviews the part and recommends the material, machine and approach.

  3. 03

    Mould & sample

    We run your mould, or support new mould development, and approve samples with you.

  4. 04

    Produce & deliver

    Batch production under ISO 9001:2015 and delivery across the UAE and GCC.

Other industries we supply

FAQ

Plastic injection moulding FAQs

Still have a question?

Talk to our sales team directly by phone or WhatsApp. 24/7 customer service.

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Can AK Plast manufacture custom plastic products based on our design or sample?

Yes. We offer custom plastic injection moulding and can manufacture products from your mould, technical drawing, sample or specifications.

Do you provide mould development services?

We work with customer-supplied moulds and support mould development for custom manufacturing projects.

Do you supply products across the GCC?

Yes. We supply customers throughout the UAE, Saudi Arabia, Qatar, Kuwait, Bahrain, Oman and other international markets.

Can AK Plast handle urgent production requirements?

Yes. Our manufacturing and logistics capabilities allow us to accommodate urgent orders and tight delivery schedules whenever possible.

Do you offer OEM manufacturing services?

Yes. We provide OEM and contract manufacturing for businesses that want plastic components produced under their own brand.

Can you manufacture products that are not listed on your website?

Absolutely. If you have a mould, drawing or product concept, our team will assess your requirements and propose a suitable manufacturing solution.

Get a quotation

Get a quote for oilfield & gas

Tell us what you need: a catalogue product, or a custom part from your mould, drawing or sample. Our team will reply with the material, price and lead time.

  • Standard catalogue products and custom parts
  • Customer moulds, OEM and contract manufacturing
  • Urgent orders and delivery across the GCC
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