Concentric butterfly valve
Sichuan Y&J Industries Co., Ltd(China)
Centre Line Butterfly Valve
Work Pressure: Low Pressure (Pn<1.6mpa)
Material Of Seal Surface: Soft Sealed
Structure: Centre Sealing
Size: DN40~DN300
Type of Valve: Wafer/Lug Type
Design Standard: BS3952/API609
Top flange according to ISO5211
Flange connection according to BS4504/DIN/ANSI
Face to Face dimension according to ISO5752
Working temperature: NBR seat -10º C~80º C
EPDM seat -20º C~120º C
Technical Characteristics:
Testing Standard: API598
Working Pressure: 1.0Mpa 1.6Mpa
Shell test: 1.5Mpa 2.4Mpa
Leak test: 1.1Mpa 1.76Mpa
Main Components and Material
No. Description Material
1 Body Grey iron/ Ductile Iron/ Carbon Steel with epoxy coated
2 Disc Ductile Iron/ Stainless Steel/ aluminium bronze
3 Seat NBR / EPDM soft seat/ vulcanized seat
4 Stem AISI420 or as required
Y&J Industries Co., Ltd. was established in 2001 in China as a manufacturer and supplier of castings, custom-made components, mechanical assemblies, industrial valves & valve parts, rail parts, water works products, hydraulic cylinders, CNG equipments, pneumatic tools and accessories.
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