Gunmetal Lug Type Hose Fittings, also known as trench pump couplings, are widely used fittings that are secured simply by screwing together. Gunmetal is a high strength type of bronze, and alloy of copper, tin and zinc. Gunmetal is called so as it was mainly used to make up the naval guns used throughout the middle and late 19th century. It is highly resistant to corrosion from steam and salt water and has a melting point of around 1000°C. Lug Type Hose Fittings are commonly used in the construction, pumping, drainage and plant hire industries. Click here to see our full range of hose fittings.
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