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Fully Welded Ball Valve

Product Description

Fully Welded Ball Valve

Normal Size: 1/2"~40"

Pressure Rating:CLASS 150~2500

1. Integral Valve Structure

It is welded by forged steel. The forging materials are subjected to ultrasonic examination according to ASME nondestructive flaw detection requirements. The welding slope on the connection face is subjected to liquid penetration examination.

2. Corrosion Resistance And Sulfide Stress Resistance

Certain corrosion allowance is left for the body wall thickness. The carbon steel stem, fixed shaft, ball, seat and seat ring are subjected to chemical nickel plating according to ASTM B733 and B656. In addition, various corrosion resistance materials are available for users to select.

According to customer requirements, the valve materials can be selected according to NACE MR 0175/ISO 15156 or NACE MR 0103, and strict quality control and quality inspection should be carried out during the manufacturing so as to fully meet the requirements in the standards and meet the service conditions in sulfurization environment.

3. Welding Of Transition Pipe

During the manufacturing of the fully welded pipeline ball valve, the transition pipe can e welded for the welding ends valve. The transition pipe can be supplied by users or by our company according to user requirements. Please indicate the transition pipe diameter and length A when placing orders.

Design Features

One-piece welded body & end-piece connection pipe

Mirror polished stainless steel ball tested spherical roundness.

Bubble tight excellent sealing with carbon-reinforced PTFE (Teflon) seats.

Pre-loaded seat springs ensure leak-tight at low pressure and reduce valve operational torque.

Anti blow-out stem according to international standards.

Double O-rings ensure the stem sealing and can be replaced.

Stem dry bearing, metal with PTFE coating having self-lubricating capabilities need no additional lubricant.


Design Standard:ASME B 16.34/API 6D /API 608/BS EN ISO17292/ISO14313

Face To Face Dimensions:ASME B 16.10/API 6D/EN558

Connection End:ASME B 16.5/ASME B 16.47/ASME B 16.25/EN1092/JIS B2220/GOST12815

Type Of Connection:RF/RTJ/BW

Contact us if you need more details on Fully Welded Ball Valves. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Welded Ball Valve、Air Ball Valve. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Ball Valve > Full Welded Ball Valve

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