+44 (0) 1294 274297

Heavy Duty Fittings

Our range of G/MHDPF pipe fittings are second to none. Manufactured from Gunmetal LG4 and supplied with silver solder rings pre-installed, these are the preferred fitting type for many general and marine applications. Click the image to the left to browse our range.

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Marine Pipe Fitting | Heavy Duty Pipe Fittings

BSP Fittings

Our General Fittings range includes everyday plumbing fittings such as BSP Elbows, Tees, Nipples, Bushes and Sockets/Straight Couplings. All manufactured from the highest quality Gunmetal/Bronze, sizes range from 1/4" to 4" (Bends to 2") with specials available upon request.

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BSP Fittings

Flanges

We manufacture a wide range of Gunmetal flanges to various standards.  We hold stock of PN16, PN6, Table E/F and ASA. Our range also includes BSP threaded flanges, as well as Bi-Metallic and Valve flanges. We are more than happy to accomodate any special requests you may have.

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Flanges | Slip on Flanges

Subcontract Machining

John D Dunlop can now undertake production of a variety of specialist products, in a number of materials. This ranges from small threaded bosses, through to large diameter pieces. Each part is stringently checked quality and accuracy.

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Subcontract Machining

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