Butterfly Valve Series
Wafer Butterfly Valve
| Size |
DN25-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 |
| Connection Holes No. |
2/4 Holes |
| Body Type |
1/2 Piece |
Main Parts Materials
| No. |
Parts |
Material |
| 1 |
Body |
Cast Iron(GG25), Ductile Iron(GGG40/50), Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze, Aluminium Alloy. |
| 2 |
Seat |
NBR, EPDM/REPDM, PTFE/RPTFE, 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 |
Bushing |
PTFE, Bronze |
| 6 |
O Ring |
NBR, EPDM, FKM |
| 7 |
Operation |
Hand Lever, Gear Box, Electric/Pneumatic/Hydraulic Actuator |
ISO5211 Top Flange & Shaft Datas
Product Features
1. The valve structure is simple, casting letters are clear, smooth surface.
2. Light torque easy to open, it can serve long time.
3. The top flange adopts ISO5211 (it is easy to equip with electric/Pneumatic/Hydraulic actuator).
4. All parts are machined accurately, quality is much better.
5. We adopt better quality rubber seat for long service life.
6. Replaceable seat, it is easy to mend the valve.
Company Profile
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 adpot advanced, efficient, careful manage system to ensure that we can produce high-quality products in time, experieced 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.
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