Application:City Gas:gas outlet pipe,supply pipe for main line and all brach lines etc.District heat supply:Outlet pipe,main line and brach line for large heat supply equipment.Heat exchanger:on-off of pipe and all loops...
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The fully welded ball valve is renowned for its ingenious structural design, which integrates the valve body, seat, and ball into a single unit using advanced welding technology. This design not only significantly enhances the valve's strength and sealing performance but also ensures stable operation under extreme conditions such as high pressure and high temperature. Thanks to its outstanding performance, the fully welded ball valve has found widespread application in industries like oil, chemical, and natural gas, becoming an essential component in these sectors.
● Compact Structure: The fully welded integral ball valve features an integrated design that reduces the number of connection components, resulting in a more compact and space-efficient structure. This design not only simplifies installation and maintenance but also enhances sealing performance.
● Excellent Sealing Performance: Welded connections eliminate leakage issues commonly associated with traditional connections, ensuring a stable flow of the medium within the pipeline.
● Strong Corrosion Resistance: The ball valve's main body is typically constructed from corrosion-resistant materials such as stainless steel, effectively combating the erosion caused by various corrosive media and prolonging its service life.
No | Part Name | Carbon steel | Stainless steel | Low temp.steel |
1 | Body | ASTM A105 | ASTM A182 F316 | ASTM A350 LF2 |
2 | Bonnet | ASTM A105 | ASTM A182 F316 | ASTM A350 LF2 |
6 | Inject valve | ANSI A1045 | A276-316 | ASTM A1045 |
7 | O-ring | PTFE | PTFE | PTFE |
8 | O-ring | PTFE | PTFE | PTFE |
9 | Seat retainer | ASTM A105 | ASTM A182 F316 | ASTM A350 LF2+ENP |
10 | Ring | RPTFE | RPTFE | RPTFE |
11 | Spring | Inconel X-750 | Inconel X-750 | Inconel X-750 |
12 | Ball | ASTM A105+ENP | ASTM A182 F316 | ASTM A350 LF2+ENP |
13 | Sliding bearing | 304+PTFE | 316+PTFE | 304+PTFE |
14 | Stalic spring | A276-316 | A276-316 | A276-316 |
22 | Stem | A182 F6A | ASTM A182 F316 | A182 F6A |
24 | Gasket | 304+PTFE | 316+PTFE | 304+PTFE |
25 | O-ring | PTFE | PTFE | PTFE |
26 | O-ring | PTFE | PTFE | PTFE |
30 | Packing | Graphite | Graphite | Graphite |
45 | Screw | ASTM A193-B7/B7M | ASTM A193-B8 | ASTM A193-B7M |
46 | Waste valve | ANSI 1045 | ASTM A182 F316 | ANSI 1045 |
49 | Backing | ASTM A105 | ASTM A182 F316 | ASTM A350 LF2+ENP |
50 | Backing pin | ANSI 1045 | ASTM A182 F316 | ASTM A350 LF2+ENP |
51 | Upper bushing | ASTM A105 | ASTM A182 F316 | ASTM A350 LF2+ENP |
52 | Gasket | 304+Graphite | 316+Graphite | 304+Graphite |
53 | Positioning pin | ANSI 1045 | A276-316 | ANSI 1045 |
54 | O-ring | PTFE | PTFE | PTFE |
55 | Packing seat | ASTM A182 F6A | ASTM A182 F316 | ASTM A182 F6A |
57 | Coupling plate | ASTM A105 | ASTM A182 F316 | ASTM A350 LF2 |
59 | Base frame | ANSI 1025 | A276-316 | ANSI 1025 |
Pressure Rating | 150-600lb,1.6-4.0 Mpa |
Connecting Size | 1/2"-40",DN15-1000mm |
Connecting type | Thread,Welding,Flange,etc |
Applicable Temp(ºC) | -19-150 |
Applicable Medium | Water,Oil,Natural gas,etc |
Operating Mode | Lever,Gear,Electric,Pneumatic,etc |
Q1:What is the main suitable of this valve?
This product is especially suitable for steel, aluminum, fiber, small solid particles, pulp, coal ash, petroleum gas and other media.
Q2:What mechanical principle is used?
The mechanical principle of the fully welded ball valve lies in its sophisticated design, which ensures reliable fluid control. The valve features a spherical disc, or ball, with a bore that can be rotated 90 degrees between open and closed positions. When the bore is aligned with the pipeline, fluid flows freely through the valve.
Our fully welded ball valves boast several significant advantages. Firstly, their robust structure ensures long-term durability and reliability, capable of withstanding the harshest industrial conditions. Secondly, the use of seamless welding technology effectively eliminates potential leakage points, enhancing safety and overall performance. Lastly, our commitment to quality and innovation ensures that our valves meet the latest industry standards, maximizing your investment value.