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High Performance Butterfly Valve

High Performance Butterfly Valve

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Product Description


  • High Performance Butterfly Valves – Double Offset
  • Size: 2”~24”(50 mm ~600mm)
  • Temperature Range:  (-29℃~220℃)
  • Pressure Rating: ANSI 150/300 LB
  • High Performance Butterfly Valves Features
  • High Performance Butterfly Valves feature removable Shaft/Disc for ease of repair, Spline Drive Shaft to Disc Connection
  • One-Piece shaft design is Blow-Out Proof .
  • Seat Retainer Ring attaches without bolts allowing complete uninterrupted seal face.
  • Seats are available in PTFE, Graphite PTFE and Metal.
  • Standard material is A216 WCB、A351 CF8、A351 CF8M, Duplex and Super Duplex SS
  • Offers Bubble Tight Bi-Directional Seating.
  • High Performance Butterfly Valves Specifications
  • Body style: Wafer type, Lug type, Double Flanged
  • Body shell thickness: ASME B16.34
  • Mounting: ISO 5211
  • Design & Pressure: ASME B16.34, 16.5
  • Face to Face: API 609, ISO 5752
  • Inspection and Testing: ISO 5208, API 598, MSS SP-61: MSS SP-68
  • Fire safe: API 607
  • Standard Marketing System: MSS-SP-25
  • Leakage Class: ANSI FCI 70-2-2003 Table 1 CLASS V, ISO 5208 Rate A, ANSI/ISA-SP-93
  • Flange connection: ASME B16.5 Class 150/300, ASME B16.47 Class 150/300

Features

1. The valve adopts double eccentric structure. No wear between the valve seat and valve plate.
2. The sealing ring of this butterfly valve are soft elastic sealing which make the valve with bi-direction sealing. All with excellent sealing properties, resistant to corrosion, long service life both in low pressure and high temperature.
3. The sealing surface of the disc is welding of cobalt-based alloy, with the advantage of wear resistance, long service life.
4. There is a two-way sealing function of the valve. No restriction from the media flows and spatial location, which can be installed in any direction.
5. The driving device can be installed multi-bit (rotation 90° Or 180° ), easy to use.


High performance butterfly valves are mechanisms that control the rate of flow for fluids in a pipe by providing a tight seal that functions correctly while under very high pressure. Butterfly valves use a round disc controlled by a control lever or wheel to completely shutoff a pipe. When the lever is moved a quarter turn, the disc stands upright and perpendicular to the flow of fluids, closing the valve and blocking any liquid or gas from flowing down the pipe.
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