Fully Welded Ball Valve

Fully Welded Ball Valve

Description
Fully welded ball valve, also known as fully welded pipeline ball valve, is used for cutting off, distributing and changing the flowing direction of medium in pipelines. It features in small volume, reliable sealing performance, simple structure, convenient maintenance and high corrosion resistance.

Application
This fully welded ball valve can be widely used in such pipelines as water, oil, natural gas, weak corrosive liquid, etc.

Advantages
1. Fully welded pipeline ball valve is ISO9001 / CE /API 6D certified.
2. Our company pays much attention to technology renovation, process improvement, structure optimization and quality improvement.
3. KERUI products like fully welded ball valve are strictly inspected before into storage, thus ensuring products’ quality.
4. We have excellent after-sale service system, winning widespread recognition and praise of our customers. Our ball valves are guaranteed within 18 months.

Performance
1. Fully welded ball valve features low friction loss coefficient, good performance and excellent sealing property because of self-lubricated materials.
2. The sealing materials of this fully welded pipeline ball valve all adopt standard PTFE and PPL, carbon fiber, etc. They are formed and cooled under high-temperature pressing, then processed by digital controlled lathe. In thus way, the sealing performance and wear resistance is guaranteed, leading a longer service life.
3. The ball of fully welded ball valve is of floating type, therefore, under the function of pressure, it can generate a certain amount of displacement and press tightly on the sealing surface of exit end, ensuring excellent sealing performance of exit end.

Main Parts and Materials of Fully Welded Ball Valve

No. Name of Parts Carbon Steel Series Low Alloy Steel Series Stainless Steel Series
1 Valve Body ASTM A105 ASTM A350LF2 ASTM A182F316
2 Bonnet ASTM A105 ASTM A350LF2 ASTM A182F316
3 Spring INCONELX-750 INCONELX-750 INCONELX-750
4 Valve Seat Support Ring ASTM A105 ASTM A350LF2+ENP ASTM A182F316
5 O-ring V1TON V1TON V1TON
6 Seal Ring RPTFE RPTFE RPTFE
7 Ball ASTM A105+ENP ASTM A350LF2+ENP ASTM A182F316
8 Sliding Bearing 304+PTFE 304+PTFE 304+PTFE
9 Plate ASTM A105 ASTM A350LF2+ENP ASTM A182-F316
10 Plate Rubber ANSI 1045 ASTM A350LF2+ENP ASTM A182-F316
11 Connector ASTM A105 ASTM A350LF2+ENP ASTM A182-F316
12 Valve Rod A182-F6a A182-F6a ASTM A182F316
13 O-ring V1TON V1TON V1TON
14 O-ring V1TON V1TON V1TON
15 Plate Cover ASTM A182F316 ASTM A182F316 ASTM A182F316
16 Located Block ASTM A105 ASTM A350LF2+ENP ASTM A182-F316
17 Bolt ASTM A193-B7/B7M ASTM A193-7M ASTM A193-B8
18 Positioning Sheath ANS1 1045 ANS1 1045 A276-316
19 O-ring V1TON V1TON V1TON
20 Head Cover ASTM A105 ASTM A350LF2+ENP ASTM A182-F316
21 Locknut ASTM A194-2H/2HM ASTM A194 7M ASTM A194-2HM/8
22 Extension Tube ANS1 1025 ANS1 1025 A276-316
23 Butterfly Spring Pad ASTM A182-304 ASTM A182-F304 ASTM A182F316
24 Thrust Ball Bearing Assembling Unit Assembling Unit Assembling Unit

Technical Parameters of Fully Welded Ball Valve

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