Newton-1-2
Water
Manual
Lug Support
Centre Sealing
Force Sealed
Normal
Low Pressure (Pn<1.6mpa)
Normal Temperature (-40°C<T<120°C)
Soft Sealed
Casting
API609 BS5155 ISO5752 JIS7480
Industrial Usage, Water Industrial Usage, Household Usage
Newton
Plywood Cases
DN40-DN2000
China
8481804090
Product Description
Product Describtion |
Lug Butterfly Valve
Size | DN40-DN2000 |
Face to Face | API609, BS5155, DIN3202, ISO5752 |
Connection Flange | PN6/PN10/PN16/PN25/JIS5K/10K/16K/150LB/AS2129 Table D/E |
Mounting Flange | ISO5211 |
Working Pressure | PN10/PN16/PN25 |
Application | Fresh Water, Sea Water, Oil, Gas, Acid, Food, Steam |
Application Temperature | -210~250 ºC |
Shaft Disc Connection Type | Pin/Pinless/Double Half Shafts |
Seat Type | Soft Back/Hard Back/Vulcanized |
No. | Parts | Materials |
1 | Body | Ductile Iron, Carbon Steel, Stainless Steel, Bronze. |
2 | Seat | NBR, EPDM, PTFE, Viton, Neoprene, Hypalon, Silicon, PFA. |
3 | Shaft | SS416, SS431, SS304, SS316, Duplex Stainless Steel, Monel |
4 | Disc | DI+Ni, Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze, (DI/WCB/SS) coated (Epoxy Painting/Nylon/EPDM/NBR/PTFE/PFA) |
5 | Operation | Hand Lever, Gear Box, Electric/Pneumatic/Hydraulic Actuator |
6 | Bushing | PTFE, Bronze |
7 | O Ring | NBR, EPDM, VITON |



Product Features |
1. The valve seat is vulcanized with the valve body as a whole, with good integration and easy on-site maintenance.
2. Simple structure and quick opening. The butterfly disc material adopts streamlined design, which can be used in both directions, with small flow resistance and excellent flow characteristics.
3. Long service life and many times of opening and closing.
4. Two way sealing, zero leakage in the test.
5. The flow characteristics tend to be linear and the regulation performance is good.
Product Details |




Production process |

Product Packaging: |

Our Company |
Tianjin Newton Valve Co.,Ltd is a professional valve manufacturer of rubber seat butterfly valve, wafer check valve, ball check valve, resilient seat gate valve, cast iron valves for marine, Y strainer.
We adapt advanced, efficient, careful manage system to ensure that we can produce high-quality products in time, experienced sales team, perfect after-sales support to satisfy clients.
We adheres to "Newton use science to do better valves, focus on details, continuous improvement" which makes us in an invincible position in the fierce market competition.
We believe that we will do the better quality products, supply most perfect service for you.
Certificate |

FAQ |
Q: Could you offer a free sample?
A: Yes, we can provide free samples for you to evaluate, but you need to bear their shipping costs.
Q: Are you a factory or trade company?
A: We are a marine butterfly valve manufacturer, and specialize in the production and export of valves for more than ten years.
Q: Would you have a discount if I have a large order?
A: Of course, we could offer different discount according to your order quantity.
Q: How will you make the shipment?
A: By sea shipment/Air/Express service.
Q: Do you accept OEM business?
A: Yes, we do.