免费男人下部进女人下部视频,男人扒开添女人下部免费视频,男人的J放进女人P的视频

  • <td id="us4os"><blockquote id="us4os"></blockquote></td>
  • <input id="us4os"><tbody id="us4os"></tbody></input>
  • <small id="us4os"></small>
    <strong id="us4os"><label id="us4os"></label></strong>
  • <small id="us4os"><small id="us4os"></small></small>

    Straight Tee

    straight tee means a tee of pipe fitting which the branch outlet has a 90 degree direction turning from the main pipe of the tee.Commonly people consider the straight tee as the equal tee,it is a mistake.Equal tee means a same sizes of the branch and main pipe of a tee.Straight tee means it has a side port at right angle to the run.  

    Straight-Tee

    Straight-Tee

    On the contrary to the straight tee,it is the lateral pipe tee.The straight tee could be a equal tee,also could be a reducing pipe tee (unequal tee).

    straight-tee-drawing

    straight-tee-drawing

    Officially a straight tee will be indicated by 3 diameters,namely 3 x 3 x 2 (A x B x C).The A & B measure stands for the Nominal Pipe Size of Run-Pipe, C measure stands for Nominal Pipe Size of Outlet. 

    Standard: ASME/ANSI B16.9, MSS-SP-75, DIN 2615, EN 10253-2 , JIS B2311, GOST 17378

    Material: ASTM A234, ASTM 403,DIN 17175, EN10228 …Carbon steel, stainless steel , alloy steel.

    Size: 1/2″-96″. DN15-DN2400

    Connect method: Butt welding.

    Type: Seamless: DN15-DN600,

    Welded: DN15-DN1800


    免费男人下部进女人下部视频,男人扒开添女人下部免费视频,男人的J放进女人P的视频