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:
Assume full duty to satisfy all demands of our clients; reach steady advancements by marketing the development of our purchasers; grow to be the final permanent cooperative partner of clientele and maximize the interests of customers for Excellent quality Stainless Ball Valves - Center line shouldered type butterfly valve – BESTOP , The product will supply to all over the world, such as: Melbourne, Madras, Hanover, Taking the core concept of to be the Responsible. We'll redound up on society for high quality merchandise and good service. We will initiative to participate in international competition to be a first- class manufacturer of this product in the world.
The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.





