Pipe Material Procurement Process for an Oil and Gas Project

Many equipments and items need to be purchased in the piping project from different vendors/suppliers. Before finalization of the vendor/ supplier to get the pipe material, there are many phases/step which has to be followed. The first step is to float an enquiry specification for the equipment/item to the different vendors to get a techno commercial quotation. The enquiry is generally ...

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Methods of Offshore Installations: Lift Barges, Floatover

Offshore installation Nowadays major drilling and production facilities are located offshore, so to install this equipment the oil and gas industry majorly reply on an efficient and safe way. The industry has developed a number of ways to overcome heavy lift challenges offshore through experience and innovation. There are two main methods of marine installation of heavy equipment. The conventional ...

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Piston Valve: Isolation Valve used in Piping Industry

Piston valve resembles in construction more towards a globe valve and is mainly used for shut off and regulation. This valve provides positive shut off. The shut off assembly comprises of a metal piston, two resilient valve rings and a metal lantern bush. The sealing surface consists of the outer vertical surface of the piston and the corresponding inner surfaces of ...

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Needle Valve: Regulation Valve Used in Piping Industry

Needle Valve: The needle valve, like globe valve, is used for flow control. It allows precise regulation of flow, although it is generally only capable of relatively low flow rates. Normally needle valve is used in smaller sizes and is provided with either screwed or socket weld ends. The major body parts of needle valve are- Body Bonnet Packing Nut Stem Screw Handle ...

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Double Block and Bleed Valve: Special Type of Valve

Double block and bleed valves are also known as DBB valves. This valve is a space-saving dual isolation solution that reduces the need for costly multi-valve systems. By combining all block and bleed components into a single unit, DBB valves minimize the risk of leak paths to atmosphere while providing significant weight savings. In many DBB valves, the isolation valve ...

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Swing Check Valve: Type of Non-Return Valve

Swing Check Valve: Swing check valve is a non-return valve which operates by the swinging action of the disk. This valve is used for sizes 2” and above. There are two types of swing check valves available. They are the conventional swing check valves with flanged ends and the wafer type spring loaded check valves. 1. Conventional Swing check valve: ...

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Non-Return Valve Used in Process Industry

Based on functions, valves are classified as isolation, regulation, non return valve and special type of valve.  Non Return Valve: As the name indicates, this non return valve is used to ensure unidirectional flow of fluids. It is used to prevent the back flow in order to safeguard the critical equipments such as pumps, compressor etc and also used for positive. ...

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Butterfly Valves: Regulation Valves Used in Process Industry

Butterfly regulation valve

Butterfly valve:  Butterfly valve is one of the types of valves positive shut-off quarter-turn valve. It’s majorly used in utility services such as air, gas, steam, or liquid because of two reasons: they are lower in cost and also they are light in weight. They are available in variety of design depending on the service and the pressure-temperature rating. These valves can ...

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Globe Valves: Regulation Valves Used in Process Industry

Globe valve

Globe Valves: A globe valve is used for regulating flow in a pipeline. A globe valve consists of a movable disk-type element and a stationary ring seat in a generally spherical body. The gradual change in spacing between the disk and seat ring gives the globe valve good throttling ability. Globe Valves are available with a variety of bonnet types, ...

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