Features
Product name: stainless steel handle wafer butterfly valve
Product model: D71F4-16P
Operating temperature: ≤150℃
Body material: 304 stainless steel
Seat material: fluorine rubber ring
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
1. Materials List (Lug Type Triple Offset Butterfly Valve)
| No. | Part Name | Materials |
| 1 | Body | ASTM A216 WCB | ASTM A216 WCB | ASTM A216 WCB |
| 2 | Pin | ASTM A29 1035 / A276 304 | ASTM A29 1035 / A276 304 | ASTM A29 1035 / A276 304 |
| 3 | Stem | 420 | 304 | 316 |
| 4 | Disc | WCB | CF8 | CF8M |
| 5 | Seal Ring | 304/316+Graphife / PTFE | 304/316+Graphife / PTFE | 304/316+Graphife / PTFE |
| 6 | Retainer Flange | A105 | A182 F304 | A182 F316 |
| 7 | Bolt | B7 | B8 | B8M |
| 8 | Bolt | B7 | B7 | B7 |
| 9 | Cover | A105 | A105 | A105 |
| 10 | Gasket | Graphite | Graphite | Graphite |
| 11 | Bushing | Luberized bronze | Luberized bronze | Luberized bronze |
| 12 | Bushing | 304 Nitriding | 304 Nitriding | 304 Nitriding |
| 13 | Packing Seat | A105/304 | A105/304 | A105/304 |
| 14 | Packing | Graphite | Graphite | Graphite |
| 16 | Packing Cover | WCB | WCB | WCB |
| 17 | Nut | A194 2H | A194 2H | A194 2H |
| 18 | Bolt | A193 B7 | A193 B7 | A193 B7 |
| 19 | Yoke | WCB | WCB | WCB |
| Drive Actuator | Manual, Worm gear |
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 | | | |
