Tri Clamp butterfly valves are an elegant and dependable solution for either a shutoff service, or as a flow control valve to reduce volume. Designed for Tri Clamp fittings and made from stainless steel SS304 or SS316, our trigger handle series butterfly valves feature a fiberglass handle with 12 locking positions, that allow flow control typically desired on a racking arm. Our pull handle valves feature a blue ball handle with 3 locking positions. Valves comes with either a silicone or EPDM seat.