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FLANGE KING TOOL FULL
FLANGE KING TOOL SERIES

7) are used only to suspend tubing from the tubing head. This installation creates a pressure barrier and isolates the annular pressure below the slip-and-seal casing hanger from the wellbore.

As the slips continue to engage the pipe, a load is placed on the automatic weight-set elastomeric seal assembly, sealing the annulus between the casing and the casing head. As the slips travel down, they are forced in against the casing, applying greater and greater support capacity. The teeth on the slips will engage the pipe OD, and transfer the suspended weight of the casing to the starting casing head. After the slip-and-seal casing-hanger assembly is installed, the traveling block will lower the casing, and set a predetermined amount of casing load onto the slip-and-seal casing-hanger assembly. When the casing has been run and cemented, the BOP is disconnected from the casing spool, and lifted up to gain access to the spool bowl area. 6-Photo of a typical weight-set slip-and-seal assembly with casing-head installation components. Hot bolting is a hazardous activity and utmost care is necessary while performing the same.Fig. Minimize the time spent freeing bolts during plant shutdown.Upgrading the material specification/grades of bolts.There are many reasons for hot bolting such as The removal of flange bolts on the live line and equipment that means when the plant is running is known as hot bolting. The list of symbols is given in the ASTM standard.

FLANGE KING TOOL FULL

Instead of full material description material symbol is used as shown above. Only the Manufacturer’s identification mark and Material Grade / Class are marked. Marking to be done on the nut’s non-load bearing face. Material Standard ASTM A194 and A563 specify marking requirements for nuts. In the case of hex head bolt, both the symbols are marked on the bolt head. Check the image below ASTM A193 Gr B7M just marked as B7 at one end and Manufacturer’s identification mark on other ends. Common coatings areĪSTM standard gives the list of marking symbols for various material grades. Sometimes Bolting components are coated with different coating materials to improve its corrosion resistance.

If not specified washer can be manufactured from any compatible grade material.

The common material grade used for washer manufacturing are

Most widely used material grades are ASTM A194 Gr 2,2H,2HM,8,8M.

ASTM A194 standard lists the compatible material grades for nuts that used with stud & bolt.

Nuts may be machined from the same material as a stud or maybe of a compatible grade of ASTM A194 Out of these grades, the most popular material grades are ASTM A193 Gr B7 & B7M.

For special application, ASTM A540 Gr B21 to B24 are used.

Alloy steel quenched and tempered studs and bolts material grades are ASTM A354 Gr BC, BD.

Low-temperature services ASTM A320 Gr L7, L7A, L7B are used.

High temperature and pressure services ASTM A193 Gr B7, B7M, B5, B8 are used.

ASME B18.2.1 for Square and Hex Bolts and Screwsīolting material can be divided into three groupĪ list of ASTM Material grades used for manufacturing stud is given in ASME B16.5, which is the Standard for the flanges.

FLANGE KING TOOL SERIES

ASME B1.1 Unified Inch Screw Threads (Cores and Fine thread series- normally Cores thread series is used for stud used in piping).

Diameter and Lengths of the stud and bolt are covered in ASME B16.5 & B16.47.

Various ASME standards are used for stud bolts and nuts to manufacturing bolting material.

Gaskets & Spectacle Blinds Expand / Collapse.

Pipe Fittings Inspection – Visual & Testings.