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Top Entry Ball Valves

What Are Top Entry Ball Valves?

Top Entry Ball Valves by Global Steel are the ones that incorporate the ball from the top end. It is very much similar to a globe valve that has a body and a cap, except the trim part takes the form of a ball type. It is a single unit. Top entry ball valves are normally made of cast metal. As it is cast, some additional NDE checks would be necessary to verify that the process of casting is free from any defect.

Top Entry Ball Valves, Top Entry Ball Valves Manufacturers, Top Entry Ball Valves Suppliers, Top Entry Ball Valves Stockists, Top Entry Ball Valves Exporters

Top input ball valves are widely employed in those applications that need limited disassembling for in-line replacement of their internal parts. Even high-pressure ball valve inputs that are in need of continuous servicing such as HIPPS (High Integrity Pressure Protection System) valve, etc. are found to be very commonly used. The advantage of the top entry ball valve is that the design provides a limited thread interaction such that the leakage path as well can be minimized.

Ball valves find widespread application in oil and gas pipe lines as also in oil, petrochemical, chemical, chemical, metallurgical, electrical, nuclear, food, and paper machinery. Because of the unique environmental conditions and process operating conditions, an average ball valve is not adequate and the system requires high performance. Since in the top entry structure, the ball valve does not need to be removed from the line during servicing or replacement of the seat, checking and maintaining the ball valve is easy.

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In general, the top entry structure alters the position of the seat to the outside in the form of a wedge or threaded seat. The external wedge, however, will enhance the external leakage point and reduce the efficiency of the sealing, whereas the threaded seat, in the large diameter valve, will be destroyed quickly and the life of the valve in the service condition will be shortened.

Based on the conditions stated earlier, a uniform top entry design is developed so that the valve seat takes the shape of a V-shaped outer ring, developed in a direction that is angled to the contact point of the control rod, minimizing the control rod's stress as well as the contact surface of the seat valve to enhance the effect of the life in the service condition. Also, the shape of the V-shaped outer ring makes the valve seat separable from the valve body as the valve seat is unmounted.

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Top Entry Ball Valves Specifications

Design Standard Basic Design: API 6D
Face-Face / End-End dimension: API 6D, ASME B16.10, EN 558
Flange / BW Ends Dimension: ASME B16.5, EN 1092, ASME B16.25
Test: API 6D, BS 6755, API 607, API 6FA
Sizes 2″-30″ FB/RB
Pressures ANSI 150lb-1500lb
Materials Carbon steel, Low-Temp. Steel, Stainless steel, Duplex
Ends RF, RTJ, BW
Fire Safe Design/Test: API 607 or API 6FA
ANSI Class / Rating Class 150 ~ Class 1500
End Type: RF, RTJ, BW
Mode of Operation Worm Gear, Wrench Nut, Electric, Pneumatic, etc.
Application on shore Oil & Gas, Off shore Oil & Gas, Refinery, Chemical, Petrochemical, Power plant

Price List Of Top Entry Ball Valves

DESCRIPTION PRICE
Super Duplex Top Entry Ball Valve Price $ 38.18 - $ 59
Carbon Steel Top Entry Ball valve for High temperature $ 74.95 - $ 77
Duplex Steel Top Entry Ball Valve Price $ 110.13 - $ 132
Buy Top Entry Ball Valves Best Price $ 60.10 - $ 90
ASME B16.34 600LB Top Entry Ball Valve Price $ 33.93 - $ 36
Stainless Steel Top Entry Ball Valve Best Price $ 47.60 - $ 39
Top Entry Trunnion Mounted On-Off Ball Valve $ 58.85 - $ 65

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Application Of Industries

Power Plants Industry

Aerospace Industry

Refineries Industry

Oil & Gas Industry

Sugar Industry

Chemical Industry

Petrochemical Industry

Types Of Top Entry Ball Valves

Preview Product
Stainless Steel Valves
Duplex Steel Valves
Super Duplex Steel Valves
Nickel Alloy Valves
Monel Valves
Inconel Valves
Hastelloy Valves
Alloy 20 Valves
Copper Valves
Titanium Valves
Brass Valves
Alloy Steel Valves
Carbon Steel Valves
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