Main Features: The turning center of the butterfly plate is on the center line of the valve body and the sealing face section of the butterfly plate. In closing, the ex-circle sealing face of the butterfly plate will extrude the valve seat made of synthetic rubber, generating elastic deformation...
Size: DN40 - DN1200/1.5" - 48"
Normal pressure: Dn40-dn600(1.5"-24") pn1.0/1.6mpa(150/200psi) dn700-dn1200(28"-48") pn1.0mpa(150psi)
Body: Cast iron/ductile iron/wcb/carbon steel/al-bronze/CF8, ss304/CF8m, ss316
Disc: Ductile iron/ni-plated ductile iron/nylon-plated ductile iron/al-bronze/rubber lined disc/1.2501/1.4529/CF8/CF8m/hastelloy alloy/monel
Stem: Ss416/ss304/ss316/ss431/17-4pH/monel/carbon steel 45/45#
Seat: NBR/hypalon/EPDM/neoprene/nr/wear-resistant EPDM/viton/silicon/heat-resistant EPDM/white EPDM/EPDM/PTFE
Suitable temperature: Normal temperature -45 - 150
Medium: Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc.
Product design and scope
Design standard: API 609
Length of structure: API 609
Flange connecting end: ASME B16.5/ASME B16.47
Wall thickness: ASME B16.34
Inspection and test: API 598
Pressure and temperature rating: ASME B16.34
Fireproof test: API 607
Product scope: NPS 3~NPS 80, CL150~CL1500
Main body material: WCB, LCB, WCC, WC6, WC9, CF8, CF8M, CF3, CF3M, A890 4A, etc
Drive device: Handle, Worm wheel, Electric, Pneumatic, etc
1. Small in size and light in weight. Easy installation and maintenance. It can be mounted wherever needed.
2. Simple and compact construction, quick 90 degree on-off operation.
3. Minimized operating torque, energy saving.
4. Flow cure tending to straight line. Excellent regulation performance.
5. Long service life. Standing the test of tens of thousands opening/closing operations.
6. Bubbles-tight sealing with no leakage under the pressure test.
7. Wide selections of materials, applicable for various medium
8. Stem and disc are connected by means of pinless structure with more reliable performance.
9. Disc seat and body of non backed slim-disc butterfly valve are connected by frameless structure to overcome leakage on the connecting position of flange sealing surface.
Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of 1.4529 material Butterfly Valve in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.