Model Number: NMM-HB-003
Brand Name: OEM or NMM
Key Specifications/Special Features:
U-type concentric butterfly valve with taper pin1. Size: DN50-1200 or 2'-48'.2. Body: cast iron, ductile cast iron3. Disc: stainless steel, AL-bronze and ductile iron4. Shaft: stainless steel5. Seat: EPDM, NBR, viton and PTFE6. Taper pin is between the shaft and disc7. Strength more highly, seal more reliably for seat8. Certification: ISO, SGS and CEBrief introductions of U-type concentric butterfly valve with taper pin1. Face to face according to ISO 5752 series20
2. Flange according to DIN2501 PN10/PN16; GOST 12815
3. Butterfly valve is to splice the rubber liner on the body, the strength more highly, the seal more reliably for the seat
4. Available with handles, manual gear operators, and electric or pneumatic