Ball valves connected by internal thread and butt welding are divided into integral type (one-piece type), two-stage and three-stage type.The structure is simple and the shape is beautiful.The valve seat adopts elastic sealing structure, which is reliable and easy to open and close.The stem adopts a down-mounted structure with an inverted seal, so that the stem will not be rushed out when the valve cavity is under abnormal pressure.Two - piece, three - piece ball valve connection form and butt welding (BW) socket welding (SW), and can be with the international standard ISO support platform and locking device.
Product Parameters
| Size | Model | H | L | |
| mm | in | |||
| DN20 | 3/4' | TOP-105 | 196 | 85 |
| DN25 | 1" | TOP-105 | 200 | 90 |
| DN32 | 11/4° | TOP-105 | 210 | 112 |
| DN40 | 11/2" | TOP-105 | 231 | 120 |
| DN50 | 2" | TOP-110 | 252 | 145 |
| DN65 | 21/2" | TOP-116 | 261 | 170 |
| DN80 | 3" | TOP-120 | 332 | 200 |
| DN100 | 4" | TOP-140 | 387 | 263 |
| Nominal Diameter DN(mm) | DN15~DN250 | ||||||
| Nominal Pressure | PN1.6/2.516.4MPa | ||||||
| Connection | Threaded connection | Butwelding Connection | |||||
| Part Name | boby,bonnet | WCB | CF8(304) | CF8(316) | WCB | CFB(304) | CF8(316) |
| ball stem | 2Cr13 | 304 | 316 | 2Cr13 | 304 | 316 | |
| Seal ing.iler | PTFE,PPL | ||||||
|
Tnal condition |
Medium | Water,steam oil |
Nitnic acid and other corrosive medium |
Nitric acid and other corrosive medium |
Water,steam,oil |
Nitnic acid and other corrosive medum |
Niric acid and other corrosive medium |
| Temperature | -29℃-180℃(PTFE),29℃-300℃(PPL) | ||||||
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