Metal Seal Butterfly Valve

Introduction of Metal Seal Butterfly Valve

The design of the provides a non-rubbing, open/close operation. Unlike conventional butterfly and gate valves, whose seats are chafed with every stroke, uses a triple offset design to prevent seat wear. This means superior performance, lower maintenance, and a longer life for your valves. The versatility of the design allows for use in large variety of applications and within a broad range of operating temperatures.

Features

  • METAL-TO-METAL ’ZERO’ LEAKAGE
  • LOW EMISSION SHAFT SEAL
  • EXTERNALLY RETAINED BLOW-OUT PROOF DESIGN
  • EXTERNAL INDICATOR FOR DISC POSITION
  • BEARING PROTECTION t
  • ONE-PIECE SHAFT
  • STANDARD MOUNTING

Specifications

Valve Size DN50-1600, NPS 2-60
Pressure Class PN1-100, 150LB-600LB
Materials WCB, LCB, LC1, CF8, CF8M, CF3, CF3M, 4A, 5A, WC6, WC9, C95800
Design and Manufacturing Standards API 609, EN 593
Face to Face Standards API 609, EN 558, ISO 5752
Flange Dimension Standards ASME B 16.5, ASME B16.47, EN 1092-1, GOST 54432, JIS 2220
Pressure Test Standards API 598, EN 12266-1
Fire Safety Test Standards API 609
Quality/Product Certifications ISO9001, ISO14001, ISO18001
Fugitive Emissions ISO 15848-1, API 622
NACE NACE MR 0103 NACE MR 0175
Valve operator options Handwhel, Worm Gear, Electric actuator, Pneumatic actuator, Hydraulic Actuator.
Shutoff Class API 598 (Zero Leakage),
Bore Full Bore
Process Connection Types Wafer type, Flange Type, Lug Typt, Weld Typt

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