Flexible Choke Kill Line

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Flexible Choke Kill Line

Q: What is the fastener and others?: Fasteners are collectively referred to as a class of mechanical parts used to fasten two or more parts (or components) into a unit. Fasteners include bolts, studs, screws, nuts, washers, Pin, etc.,

Q: what parts do Fasteners include: Screw: also by the head and screw two parts of a class of fasteners, according to the use can be divided into three categories: machine screws, set screws and special purpose screws. The machine screw is mainly used for a fastening screw hole part, with a through hole between the parts of the fastening connection, no nut matching (this connection is called the screw connection, also belong to the detachable connection; Used in conjunction with nuts for fastening connections between two parts with through holes.) The locking screw is mainly used to hold the relative position between the two parts. Special purpose screws such as rings are used for lifting parts.

Q: High-strength screw standard parts of the quality of what data: High strength bolts are made of high strength steel, or bolts that require greater preload. High-strength bolts are tightened with a special wrench nut, the bolt has a huge and controlled pre-tension, through the nut and the pad, the connector also produced the same size of the pre-pressure.

Q: Bolts and other connection fasteners some points A B C grade what it means: Grade is not the same, the tolerance range is not the same, A-level tolerance of the smallest, C-class tolerance of the largest

Q: For the commonly used standard parts, for some of the quality of good or bad, how to distinguish,: According to the relevant standards, such as size, appearance, thread quality, surface finish, through the rules, hardness, etc., should be considered, according to the standard about.

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 also known as standard parts, which are mainly heat-treated according to the material of the product.

Q: Are there categories of fasteners classified by material?: According to the use of different materials, fasteners are divided into carbon structural steel fasteners, alloy structural steel fasteners, stainless steel fasteners, high temperature alloy fasteners, aluminum alloy fasteners, titanium fasteners, titanium Niobium alloy fasteners and non-metallic fasteners.

Q: Fasteners are used in what areas?: Fasteners are a class of mechanical parts that are used for fastening connections and are widely used. All kinds of fasteners can be seen in all kinds of machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, instruments and supplies. If the fasteners are removed from reality, many of the equipment,

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: 1, the product used by the material (the available material is too much to see what your company to ask) 2, the accuracy of the thread (bolt type of external thread is generally 6g, nut class internal thread is generally 6h) 3, surface treatment Stainless steel materials generally do not do treatment, carbon steel, color, galvanized, Dacromet, nickel, chrome, etc.) 4, product tolerances before the surface treatment or surface treatment of the above is the standard parts of the standard, But also depends on the actual use, we must deal with the landlord.

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