DK-Lok-DBB-venttiilit

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Double Block & Bleed valve

• Reduced potential leak paths with primary & secondary isolation in one valve.
• Compact ball/OS&Y/needle valve assembly in one DBB.
• Flange construction as per the requirements of ASME B16.5
• NPT threaded connection to ANSI/ASME B1.20.1
• Pressure rations as per ASME B16.34 Class 150 thru 2500.
• Wetted components of Sour gas service valve are selected as per the requirements of NACE MR0175/ISO 15156
• Fire tested as per BS 6755 part 2/API607
• Anti-Static Device is set between the stem and ball.

Monoflange

• ASME B16.5 flanged inlet connections ½” to 2” sizes
• Standard ½” NPT female outlet
• Bleed port ½”NTP female with Hex Plug is standard
• OS&Y with graphite packing is standard, optional PTFE
• Needle valve with PTFE packing is standard, optional Graphite.
• Optional fire safe design to BS6755 part 2
• Optional NACE certification.

 

Dk-Lok kotisivut: DBB venttiilit