Excellent quality Stainless Ball Valves - Center line shouldered type butterfly valve – BESTOP
Excellent quality Stainless Ball Valves - Center line shouldered type butterfly valve – BESTOP Detail:

Main parts material
| Parts Name | Material |
| Body | Cast iron/Ductile iron |
| Disc | Ductile iron with EPDM |
| Stem | SS410/ SS416/SS304/SS316/SS420 |
| Bushing | PTFE/Lubricating |
| O-Ring | EPDM/NBR/VITON/HYPALON/NEOPRENE |
Outline dimension & Connection dimension(mm)
| Size | A | B | C | D | E | F | G | H | I | J | L | M | N | O | P |
| 2″ | 50 | 60.3 | 67 | 49.2 | 16 | 11 | 32 | 119 | 63 | 90 | 90 | 71 | 70 | 3 | 12 |
| 2.5″ | 61 | 69.1 | 73 | 60 | 16 | 11 | 32 | 125.5 | 68.5 | 90 | 97 | 77 | 70 | 3 | 12 |
| 3″ | 80 | 88.9 | 97 | 79.3 | 16 | 11 | 35 | 131.5 | 80 | 90 | 97 | 101 | 70 | 3 | 12 |
| 4″ | 101 | 114.3 | 122.5 | 99.2 | 16 | 11 | 40 | 151 | 94 | 90 | 116 | 126 | 70 | 5 | 14 |
| 5″ | 127 | 137 | 141.3 | 124 | 16 | 11 | 43 | 171.5 | 108 | 90 | 134 | 146 | 70 | 5 | 14 |
| 6″ | 150 | 165.1 | 175 | 147 | 16 | 11 | 43 | 183 | 123 | 90 | 134 | 180 | 70 | 5 | 18 |
| 8″ | 202 | 219 | 232 | 199 | 20.5 | 11 | 50 | 205.4 | 149.4 | 125 | 148 | 238 | 102 | 5 | 18 |
| 10″ | 253 | 278 | 286 | 249 | 20.5 | 11 | 59 | 250 | 186 | 125 | 160 | 292 | 102 | 8 | 18 |
| 12″ | 303 | 323.9 | 336.5 | 299 | 20.5 | 11 | 59 | 275 | 213 | 125 | 166 | 342 | 102 | 8 | 18 |
1.Designed for bi-directional
2.Light weight, easy installation. Pipe and valve can be clamped directly, suitable for frequent removal.
3.Maximize the effective diameter.
4.Rubber vulcanized valve plate to avoid the dislocation of the seat.
5.Complete spherical seal.
6.All parts can be disassembled and assembled for convenient and quick maintenance.
1.OEM & customization capability
2.Our own foundry(Precision casting/Sand castings) to guarantee fast delivery and quality
3.MTC and Inspection report will be provided for each shipment
4.Rich operating experience for project orders
5.Certificates available:WRAS/ISO/CE/NSF/KS/TS/BV/SGS/TUV …
Product detail pictures:
Related Product Guide:
We've been proud with the significant shopper fulfillment and wide acceptance due to our persistent pursuit of top of the range both of those on solution and repair for Excellent quality Stainless Ball Valves - Center line shouldered type butterfly valve – BESTOP , The product will supply to all over the world, such as: Somalia, Indonesia, Romania, Our tenet is integrity first, quality best. Now we have confidence in providing you with excellent service and ideal merchandise. We sincerely hope we can establish win-win business cooperation with you in the future!
Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!




