Tri-clamp Unions are a highly common hygienic fitting because they offer an internal piping junction that is smooth and contaminant-free. They are made up of two ferrules that are sealed between each other and clamped together to form a tight seal. Tri-clamp unions and seals can be easily removed by hand using the single hinge clamp wing nut and are produced in accordance with BS 4825 part 3 in either 304 or 316 stainless steel as standard.
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