The hinged closures yoke type with double bolt are available in pressures from 285 to 6170 psi and can be used in horizontal or vertical positions. They are supplied in carbon Steel, stainless Steel, materials for low temperatures and in other alloys depending of availability of the raw material. Besides, the hinged closures Tube Turns is the availability of standards designs in sizes from 2 to 42 in. In carbon steel, stainless steel, and other alloys. Also there have been produced sizes up to 72 in. external diameter for special orders. They can be supplied also, with pneumatic or hydraulic system.
The standard construction material is carbon Steel manufactured according to ASME specifications, SA105 or SA106 GR. B/C for the hub, SA516 GR 70 or SA105 for the head, SA105, SA106 GR B/C or SA352 LCB for the yoke, SA193 GR B7 for the yoke studs and SA36 for the structural components. For the ring "O" it will be supplied Buna-N material, if not specified differently. The studs of the yoke are covered with fluor carbide to lubricate the thread and to avoid the corrosion of these pieces.