How to purchase high quality quick screw joint

In the processing of stainless steel pipe elbow, when tapping to the thread fit the size, there may be two taps end face touching the situation, how to choose a high-quality stainless steel hydraulic joint because the tap base surface is longer.In this case, the end face of the tap is required to be shortened, but the short end face may have an adverse effect on the operation function of the tap.It can be seen from the relation between the front and back taps and the workpiece being processed when the end face is shorted that the thread part of the tap after the end face is shorted cannot be normally introduced into the hole, but is pressed into the hole by the end face, thus affecting the operation function of the tap.In order to solve these problems, the consumers have to stop grinding the guide part of the pipe connector in front of the tap, and repair the guide part before and after the tap. 

In the processing of stainless steel pipe elbow, when tapping the thread to fit the size, it may be two taps end face contact, the reason is the tap base surface is longer.In this case, it is necessary to shorten the end face of the tap welded pipe joint in guangdong. However, the operation function of the tap may be adversely affected after the end face of the standard stainless steel quick joint is shortened.

Stainless steel pipe coupling

It can be seen from the relation between the front and back taps and the workpiece being processed when the end face is shorted that the thread part of the tap after the end face is shorted cannot be normally introduced into the hole, but is pressed into the hole by the end face, thus affecting the operation function of the tap.

In order to solve these problems, consumers have to stop grinding the front guide part of the tap, and repair the front guide part of the tap after the standard nozzle universal joint.Because of the shape change of the front guide after grinding, the tap function will still be affected.The treatment of this title is the furnace rolling mill: the furnace rolling mill consists of a reciprocating roughing mill and a four-high reciprocating finishing mill.Two hot rolling mills are installed on the recommendation lines on both sides of the finishing mill.

Choose to buy stainless steel tube 1, identify whether the surface of the tube is printed steel material "304", and ask for the stainless steel tube manufacturer's quality certificate and quality assurance certificate.2. Test with acid reagent. Material 304 will not change color and 201 will turn black after 30 seconds.3. Check whether the color of the outer surface and inner wall of the stainless steel tube is bright and smooth, whether the standard stainless steel straight joint is of zhejiang flaring type, whether the thickness is even or rough.Choose to buy stainless steel tube 4, stainless steel tube should choose by the selection of quality and technical supervision bureau evaluation of the above provincial brand products.The most direct and effective way to purchase is to have a long-term witness and a good reputation among customers.