First, the details of steel ball wide male thread: Model: Q21F-16C Product Name: Carbon Steel Ball wide application specification male thread Nominal: 1.6-6.4MPa Temperature range: -20 ~ 232 ℃ ~ 350 ℃ Suitable medium: water, oil, gas and some corrosive liquid (WOG). Connection: ZG, G, NPT, BSPT, BSP, DIN259 / 2999, Cantonese-style external thread ball, ball two welded carbon steel ball wide male thread Description: Ball is a sphere with a circular channel for Kai closing member, turning ball with stem to achieve open and close the valve action. Valve opening and closing parts is a hole in the sphere of rotation around the vertical axis of the channel in order to achieve the purpose of opening and closing of the channel. The main supply valve to open and close with the medium of pipes and equipment. Third, the steel ball wide male thread Installation Notes: (1) Remove the protective cover on both sides, in the valve is fully open state to wash clean. (2) preparation and pre-piped, to be flushed and cleaned of impurities remaining in the pipeline (these substances may damage the seat and ball). (3) The class of valve should be installed in a horizontal or vertical direction of the pipe. (4) installation of the pipeline near the external force should not be downcast or phenomenon, you can use the pipe brackets or supports to eliminate deviation from the pipeline. Fourth, the steel ball wide male thread Ordering Information: ① valve product name and model ② ③ caliber ball valve with an attachment so that for your correct selection ④ ⑤ temperature using a pressure ball valve for use of the media. Common specifications with the cash, in accordance with samples, drawings and requirements of the product processing.