Pneumatic Type Union

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Pneumatic Type Union

Q: Who include who btween them?: Fasteners are said from the point of view of the action, which contains both standard parts (GB ANSI ASME DIN EU JIS, etc.) and non-standard parts (according to the drawings) is not entirely a concept

Q: What is the fastener and others?: Definition: Components used to join and fasten components.

Q: Bolts and other connection fasteners some points A B C grade what it means: The same standard number! Different grades of bolts, their material is not the same! Just their detection method just the same!

Q: A194 GR3 is what style fasteners: ASTM A194 is high pressure and, or high temperature conditions with the bolt to match the carbon steel and alloy steel nuts, as GR3 I did not see such a description in the standard

Q: The main meaning is that the design to make some specific requirements to achieve consistency.: Specification is: can not affect the performance of the product being used, and fully guarantee the effect of fastening.

Q: Is it hard to heat the fasteners?: Fasteners are a kind of standard parts, and their requirements are often higher than other standard parts, but heat treatment is better

Q: Does the fastener include screws?: A type of fastener with no head at both ends. At the end of the connection, it must be screwed into the part with the internally threaded hole and the other end through the part with the through hole and the nut is screwed even if the two parts are fastened together. This type of connection is called a stud connection and is also a detachable connection. Mainly used for one of the connected parts of a larger thickness, requiring a compact structure or due to the frequent removal of the bolt should not be used occasions.

Q: Are there categories of fasteners classified by material?: Mainly carbon steel, alloy steel, stainless steel, other materials category

Q: Fasteners are used in what areas?: In the international arena, fasteners according to the use of the field can be divided into two categories, one is the general use of fasteners, the other is aerospace fasteners.

Q: Our company to purchase a number of fasteners to see when the CAD drawings in the technical requirements I do not know the specific to write those content: You mark the standard number and grade on the line, but the general standard is not required to issue a drawing. Quality inspection in accordance with the standard check can be.

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