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| Stainless Steel 3 PC Threaded Ball Valve
Three-piece ball valve with internal thread connection, its valve body adopts casting technollogy, with reasonable structure and beautiful shape. The seat utilizes elastic sealing structure, reliable sealing, easy opening and closing. The valve stem of 3 PC threaded ball valve uses the down-mounted structure with reverse seal. When the valve chamber is abnormally pressurized, the valve stem will not be rushed out.
(1) Main parts: valve body, bonnet and stem. The three-piece design enables the stainless steel ball valve to control the fluid through the rotating ball kick.
(2) Characteristics
- Simple structure: three-piece structure design, easy operation, easy maintenance and repair, improve the service life of the valve.
- Good sealing performance: PTEE material is used as the valve seal to ensure long-term stable operation.
- High viscosity medium: wide valve path and spherical structure are suitable for high viscosity medium, not easy to jam, small flow resistance.
- Self-cleaning structure: When the ball tilts away from the seat, the fluid in the pipeline passes 360° evenly along the ball sealing surface to achieve the purpose of self-cleaning.
- Corrosion resistance and high pressure resistance: stainless steel 304, 316, 316L and other materials, with excellent corrosion resistance, suitable for high pressure media.
(3) Working principle: By rotating the handle at 90 degrees, the precise manufacturing sphere with a through cavity is driven in order to open or close the valve, so as to control the flow of the medium.
| Size
| Nominal Size | Outside Diameter at Bevel | Inside Diameter | Materials of main parts | ||||
| DN | NPS | OD (mm) | ID (mm) | 1 | Nut | 304 | |
| 2 | Spring gasket | 304 | |||||
| DN6 | 1/8 | 9.5 mm | 8.5 mm | 3 | Handle | 304 | |
| DN8 | 1/4 | 12.5 mm | 11.5 mm | 4 | Packing gland | 304 | |
| DN10 | 3/8 | 16 mm | 15 mm | 5 | Packing | PTFE | |
| DN15 | 1/2 | 20 mm | 19 mm | 6 | Thrust washer | PTFE | |
| DN20 | 3/4 | 25.5 mm | 24 mm | 7 | Stem | 304 / 316 | |
| DN25 | 1 | 32 mm | 30 mm | 8 | Stem nut | 304 | |
| DN32 | 11/4 | 40.5 mm | 39 mm | 9 | Bolt | 304 | |
| DN40 | 11/2 | 46 mm | 44 mm | 10 | Spring gasket | 304 | |
| DN50 | 2 | 58 mm | 56.5 mm | 11 | Bonnet & Cap | CF8 / CF8M | |
| DN65 | 21/2 | 74 mm | 72.5 mm | 12 | Seal ring | PTFE | |
| DN80 | 3 | 86 mm | 84.5 mm | 13 | Body | CF8 / CF8M | |
| DN100 | 4 | 112 mm | 110 mm | 14 | Ball | 304 / 316 | |
| 2 PC BV parameter table
| Product Name | 3 PC Internal Thread Ball Valve |
| Material | CF3, CF3M, CF8, CF8M etc |
| Size | DN8 - DN100 |
| Class | PN1.0～10.0MPa |
| Temperature | -29～200℃ (It depends on the seal material) |
| Media | Water, steam, oil, nitric acid, acetic acid, etc. |
| Standard | Design standard: ANSI/ASME B16.34 Inspection and test: API 598 Thread size STD: ANSI/ASME B1.20.1, BS21, GB/T7306 Material standard: ASTM A351-CF8(304), ASTM A351-CF8M(316), ASTM A216-WCB, DIN 1.4308 etc |
| FAQ
How to choose three-piece thread ball valve for the chemical industry?
(1) Corrosion-resistant material: Select such as 304 (CF8), CF8M (316), CF3M (316L) and other stainless steel materials to adapt to water, steam, oil, nitric acid, acetic acid and other media.
(2) Pressure and temperature range: ensure that the valve can withstand the working pressure of the chemical industry (PN1.6 to PN6.4 MPa) 1000WOG and the working temperature range from -29°C to 200 ° C (the sealing ring is reinforced polytetrafluoroethylene) or -29 ° C to 300 ° C (the sealing ring is para-polystyrene).
(3) Sealing material: selection of PTFE, RPTFE, M111, M1600, M1700, PPL, PCTFE, PEEK and other materials.
(4) Structural strength: The chemical industry has higher requirements for the structural strength of the valve. The structural strength test pressure and low pressure airtight test pressure of the 3 PC threaded ball valve should meet the relevant standards.
(5) Design and manufacturing standards: in line with ANSI B16.34, GB/T-12224-2015, EN12516-3 and other international and domestic standards.
(6) Test certification: Passed the certification of API598, GB/T13927-2008, EN12516-3 and other test standards.
(7) Thread standards: Pipeline connections in the chemical industry usually need to meet specific thread standards, such as G, BSP, BSPT, DIN259, DIN2999, ISO228, NPT, PT, ISO7/1, etc.
(8) Convenience of operation: equipped with manual, electric, pneumatic and other easy to operate drive mode.
(9) Special functions: Select valves with fire and anti-static functions according to needs, in line with API607, GB/T6899 and other standards.
| Stainless Steel 3 PC Threaded Ball Valve
Three-piece ball valve with internal thread connection, its valve body adopts casting technollogy, with reasonable structure and beautiful shape. The seat utilizes elastic sealing structure, reliable sealing, easy opening and closing. The valve stem of 3 PC threaded ball valve uses the down-mounted structure with reverse seal. When the valve chamber is abnormally pressurized, the valve stem will not be rushed out.
(1) Main parts: valve body, bonnet and stem. The three-piece design enables the stainless steel ball valve to control the fluid through the rotating ball kick.
(2) Characteristics
- Simple structure: three-piece structure design, easy operation, easy maintenance and repair, improve the service life of the valve.
- Good sealing performance: PTEE material is used as the valve seal to ensure long-term stable operation.
- High viscosity medium: wide valve path and spherical structure are suitable for high viscosity medium, not easy to jam, small flow resistance.
- Self-cleaning structure: When the ball tilts away from the seat, the fluid in the pipeline passes 360° evenly along the ball sealing surface to achieve the purpose of self-cleaning.
- Corrosion resistance and high pressure resistance: stainless steel 304, 316, 316L and other materials, with excellent corrosion resistance, suitable for high pressure media.
(3) Working principle: By rotating the handle at 90 degrees, the precise manufacturing sphere with a through cavity is driven in order to open or close the valve, so as to control the flow of the medium.
| Size
| Nominal Size | Outside Diameter at Bevel | Inside Diameter | Materials of main parts | ||||
| DN | NPS | OD (mm) | ID (mm) | 1 | Nut | 304 | |
| 2 | Spring gasket | 304 | |||||
| DN6 | 1/8 | 9.5 mm | 8.5 mm | 3 | Handle | 304 | |
| DN8 | 1/4 | 12.5 mm | 11.5 mm | 4 | Packing gland | 304 | |
| DN10 | 3/8 | 16 mm | 15 mm | 5 | Packing | PTFE | |
| DN15 | 1/2 | 20 mm | 19 mm | 6 | Thrust washer | PTFE | |
| DN20 | 3/4 | 25.5 mm | 24 mm | 7 | Stem | 304 / 316 | |
| DN25 | 1 | 32 mm | 30 mm | 8 | Stem nut | 304 | |
| DN32 | 11/4 | 40.5 mm | 39 mm | 9 | Bolt | 304 | |
| DN40 | 11/2 | 46 mm | 44 mm | 10 | Spring gasket | 304 | |
| DN50 | 2 | 58 mm | 56.5 mm | 11 | Bonnet & Cap | CF8 / CF8M | |
| DN65 | 21/2 | 74 mm | 72.5 mm | 12 | Seal ring | PTFE | |
| DN80 | 3 | 86 mm | 84.5 mm | 13 | Body | CF8 / CF8M | |
| DN100 | 4 | 112 mm | 110 mm | 14 | Ball | 304 / 316 | |
| 2 PC BV parameter table
| Product Name | 3 PC Internal Thread Ball Valve |
| Material | CF3, CF3M, CF8, CF8M etc |
| Size | DN8 - DN100 |
| Class | PN1.0～10.0MPa |
| Temperature | -29～200℃ (It depends on the seal material) |
| Media | Water, steam, oil, nitric acid, acetic acid, etc. |
| Standard | Design standard: ANSI/ASME B16.34 Inspection and test: API 598 Thread size STD: ANSI/ASME B1.20.1, BS21, GB/T7306 Material standard: ASTM A351-CF8(304), ASTM A351-CF8M(316), ASTM A216-WCB, DIN 1.4308 etc |
| FAQ
How to choose three-piece thread ball valve for the chemical industry?
(1) Corrosion-resistant material: Select such as 304 (CF8), CF8M (316), CF3M (316L) and other stainless steel materials to adapt to water, steam, oil, nitric acid, acetic acid and other media.
(2) Pressure and temperature range: ensure that the valve can withstand the working pressure of the chemical industry (PN1.6 to PN6.4 MPa) 1000WOG and the working temperature range from -29°C to 200 ° C (the sealing ring is reinforced polytetrafluoroethylene) or -29 ° C to 300 ° C (the sealing ring is para-polystyrene).
(3) Sealing material: selection of PTFE, RPTFE, M111, M1600, M1700, PPL, PCTFE, PEEK and other materials.
(4) Structural strength: The chemical industry has higher requirements for the structural strength of the valve. The structural strength test pressure and low pressure airtight test pressure of the 3 PC threaded ball valve should meet the relevant standards.
(5) Design and manufacturing standards: in line with ANSI B16.34, GB/T-12224-2015, EN12516-3 and other international and domestic standards.
(6) Test certification: Passed the certification of API598, GB/T13927-2008, EN12516-3 and other test standards.
(7) Thread standards: Pipeline connections in the chemical industry usually need to meet specific thread standards, such as G, BSP, BSPT, DIN259, DIN2999, ISO228, NPT, PT, ISO7/1, etc.
(8) Convenience of operation: equipped with manual, electric, pneumatic and other easy to operate drive mode.
(9) Special functions: Select valves with fire and anti-static functions according to needs, in line with API607, GB/T6899 and other standards.
