Casting Iron Body EPDM Hard Back Seat Wafer Butterfly Valve
Product Detail
| Size & Pressure Rating & Standard | |
| Size | DN40-DN1200 |
| Pressure Rating | PN10, PN16, CL150, JIS 5K, JIS 10K |
| Face to Face STD | API609, BS5155, DIN3202, ISO5752 |
| Connection STD | PN6, PN10, PN16, PN25, 150LB, JIS5K, 10K, 16K, GOST33259 |
| Upper Flange STD | ISO 5211 |
| Material | |
| Body | Cast Iron(GG25), Ductile Iron(GGG40/50) |
| Disc | DI+Ni, Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze, DI/WCB/SS coated with Epoxy Painting/Nylon/EPDM/NBR/PTFE/PFA |
| Stem/Shaft | SS416, SS431, SS304, SS316, Duplex Stainless Steel, Monel |
| Seat | NBR, EPDM/REPDM, PTFE/RPTFE, Viton, Neoprene, Hypalon, Silicon, PFA |
| Bushing | PTFE, Bronze |
| O Ring | NBR, EPDM, FKM |
| Actuator | Hand Lever, Gear Box, Electric Actuator, Pneumatic Actuator |
Product Display
Product Advantage
ZFA butterfly valve connection standards include DIN, ASME, JIS, GOST, BS etc.
The butterfly valve body use casting iron, has high mechanical property, and high cost performance.
The butterfly valve disc use ductile iron with nickle coated, has strong corrosion resistance.
Each valve should be cleaned by ultra-sonic cleaning machine, in case of contaminant left inside, guarantee the cleaning of the valve, in case of pollution to the pipeline.
Marker Plate located on body side of the valve, easy to watch after installation. Material of the plate is SS304, with laser marking. We use stainless steel rivet to fix it, makes it cleaning and tighting.
Handle of the valve use ductile iron, is anti-corrosion than regular handle. Spring and pin use ss304 material. Handle part use semicircle structure, with good touch feeling.
Non-pin stem design adopt anti-blowout structure, the valve stem adopt double jump ring, not only can compensate the error in installation, but also can stop the stem being blow off.
ZFA Valve body use solid valve body, so the weight is higher than regular type.
ZHONGFA Valve is China Universal Butterfly Valve Factory, at same time an OEM Butterfly Control Valve Manufacturer. we provide, Wafer type Butterfly Valve, Double Flange Butterfly Valve, Single Flange Butterfly Valve, Fully Lugged Butterfly Valve, etc.
FAQ
Q: Are you a Factory or Trading?
A: We’re a factory with 17 years production experience, OEM for some customers around the world.
Q: What is your After-sales service term?
A: 18 months for all our products.
Q: Do you accept custom design on size?
A: Yes.
Q: What's your terms of payment?
A : T/T, L/C.
Q: What is your transportation method?
A: By sea, by air mainly, we also accept express delivery.
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