Groco BSPP Thread Marine Fittings

Groco offers a full range of BSPP thread marine fittings, designed specifically for the UK and European boating market. BSPP (British Standard Pipe Parallel) threads are the most widely used connection type in marine systems across Europe and the UK. Ideal for both new builds and retrofits, these fittings are sized in imperial measurements from ¼” up to 4”, with a standard 55° thread angle.

This bronze marine hardware range includes everything from Groco BSPP inline ball valves, BSPP flange adaptors, BSPP PTH Fittings (pipe to hose fittings) both straight and right angle PTHC, BSPP Scoop Strainers and BSPP Raw Water Strainers, all built to withstand the harsh marine environment.

Each fitting is made from solid bronze, not DZR brass, providing long-lasting resistance to saltwater corrosion. Inline ball valves feature premium details like a grease zerk nipple for easy lubrication, a reversible handle for flexible installation, a built-in drain plug, and a square ratchet point for use in tight spaces — all designed to reduce maintenance and extend service life.

You can view our entire range of Groco BSPP marine fittings and bronze BSP valves below. Don’t hesitate to contact our expert technical advice team if you do not see the product required below or need support selecting the correct Groco item for your application. Call on 01202 600011 or use our live chat functionality.