Specifications
Butterfly Valve is a kind of simple structure, at the same time it
can be used for low pressure pipeline medium switch control., serve
as cut off and throttling in the pipeline.
Material:
The body material: GG25/GGG40/GGG50
The disc material: DI+Nylon/SS304+Nylon/SS316+Nylon/AL-BZ+Nylon
The stem material: SS410/SS416/SS420/SS304/SS316
The seat material: NBR/EPDM/PTFE/VITON
Design Standard:
API 609/ISO 5752/BS5155
Pressure :
ANSI 125#/150#; JIS5K/10K/16K; DIN 2501 PN6/PN10/PN16/; BS4504
PN10/PN16
Usage and features:
Nylon board butterfly valve structure without pin, excellent
reduction, self-lubricity, operating torque 40% less than normal
butterfly valve. Good abrasion resistance, sealing butterfly valve
can be significantly prolongs the service life, compared with the
average life-span, line butterfly valve can lengthen 3 times.
Nylon have excellent performance, alkali, salt resistance to
erosion and weak organic compounds, adapt to a wide range of
inertia. Advanced without pin connections, guarantee the media and
metal completely isolated, improve the product's reliability,
simple maintenance of butterfly valves
2. Main Connection Dimensions or Lug Butterfly Valve
| Class | Size | | Class | Size | |
| NPS | DN | L | NPS | DN | L |
| 150Lb | 2 | 50 | 43 | 300Lb | 2 | 50 | 43 |
| 21/2 | 65 | 46 | 21/2 | 65 | 46 |
| 3 | 80 | 48 | 3 | 80 | 48 |
| 4 | 100 | 54 | 4 | 100 | 54 |
| 5 | 125 | 56 | 6 | 150 | 59 |
| 6 | 150 | 57 | 8 | 200 | 73 |
| 8 | 200 | 64 | 10 | 250 | 83 |
| 10 | 250 | 71 | 12 | 300 | 92 |
| 12 | 300 | 81 | 14 | 350 | 117 |
| 14 | 350 | 92 | 16 | 400 | 133 |
| 16 | 400 | 102 | 18 | 450 | 149 |
| 18 | 450 | 114 | 20 | 500 | 159 |
| 20 | 500 | 127 | 24 | 600 | 181 |
| 24 | 600 | 154 | 600Lb | 2 | 50 | 43 |
| 26 | 650 | 154 | 21/2 | 65 | 46 |
| 28 | 700 | 165 | 3 | 80 | 54 |
| 30 | 750 | 165 | 4 | 100 | 64 |
| 32 | 800 | 190 | 6 | 150 | 78 |
| 36 | 900 | 200/203 | 8 | 200 | 102 |
| 38 | 950 | 200/203 | 10 | 250 | 117 |
| 40 | 1000 | 216 | 12 | 300 | 140 |
| 42 | 1050 | 216/251 | 14 | 350 | 155 |
| 44 | 1100 | 216/251 | 16 | 400 | 178 |
| 48 | 1200 | 254/276 | 18 | 450 | 200 |
| 52 | 1300 | 254 | 20 | 500 | 216 |
| 56 | 1400 | 279 | 24 | 600 | 232 |
| 60 | 1500 | 279 | | | |
2. Main Connection Dimensions or Lug Butterfly Valve
| Class | Size | | Class | Size | |
| NPS | DN | L | NPS | DN | L |
| 150Lb | 2 | 50 | 43 | 300Lb | 2 | 50 | 43 |
| 21/2 | 65 | 46 | 21/2 | 65 | 46 |
| 3 | 80 | 48 | 3 | 80 | 48 |
| 4 | 100 | 54 | 4 | 100 | 54 |
| 5 | 125 | 56 | 6 | 150 | 59 |
| 6 | 150 | 57 | 8 | 200 | 73 |
| 8 | 200 | 64 | 10 | 250 | 83 |
| 10 | 250 | 71 | 12 | 300 | 92 |
| 12 | 300 | 81 | 14 | 350 | 117 |
| 14 | 350 | 92 | 16 | 400 | 133 |
| 16 | 400 | 102 | 18 | 450 | 149 |
| 18 | 450 | 114 | 20 | 500 | 159 |
| 20 | 500 | 127 | 24 | 600 | 181 |
| 24 | 600 | 154 | 600Lb | 2 | 50 | 43 |
| 26 | 650 | 154 | 21/2 | 65 | 46 |
| 28 | 700 | 165 | 3 | 80 | 54 |
| 30 | 750 | 165 | 4 | 100 | 64 |
| 32 | 800 | 190 | 6 | 150 | 78 |
| 36 | 900 | 200/203 | 8 | 200 | 102 |
| 38 | 950 | 200/203 | 10 | 250 | 117 |
| 40 | 1000 | 216 | 12 | 300 | 140 |
| 42 | 1050 | 216/251 | 14 | 350 | 155 |
| 44 | 1100 | 216/251 | 16 | 400 | 178 |
| 48 | 1200 | 254/276 | 18 | 450 | 200 |
| 52 | 1300 | 254 | 20 | 500 | 216 |
| 56 | 1400 | 279 | 24 | 600 | 232 |
| 60 | 1500 | 279 | | | | |
