TRUNNION MOUNTED DOUBLE BLOCK & BLEED (BXNXB) TYPE VALVE
Category: Trunnion Mounted Valves
Features |
• Compact design
• DBB valve (Ball x Needle x Ball) type construction • Low operating torque • Design as per API 6D/ASME B16.34 /EEMUA 182 std • Fire safe design will comply ISO 10497 / API 607 standard • Cavity relief provision provided for ball valve • Locking kit as an optional construction • Shall comply to NACE MR 0175/ ISO 15156 requirement • Anti static device provided Needle valve (Vent): • Vent-NPT threads as per ASME B1.20.1 standard, • Metal to metal seat for bubble tight positive shut off • Non rotating tip for longer life and self centring • Hardened stem material provides better shut -off • Packing below thread to avoid lubricant wash out • Re adjustable packing method for long life • Dust cap to protect from contamination |
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Optional Connections |
Inlet – Flanged (RF/RTJ) / Butt welded / Socket welded
Outlet – Flanged (RF/RTJ) / Butt welded / Socket welded Vent – ½” or ¾” NPT (F) with plug |
Size |
½” to 3” ( DN15 to DN80 )
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Materials |
• Body & Trim - SS316L / LF2 / Duplex / Monel / Inconel
• Seats – RPTFE/PVDF/DEVLON/PEEK/PCTFE • HNBR/FKM/FFKM – O Ring • PTFE / GRAPHITE - Packing |
Working Temperature |
- 46°C to 220°C ( -50.8°F to 428°F )
|
Testing |
100% Hydro testing using water
Gas test as per purchaser requirement |
Pressure class (ASME) |
150# / 300# / 600# / 900# /1500# / 2500#
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Operation Type |
Manual lever operated / Gear operated
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Certification |
EN10204 – 3.1 Certification / 3.2 will be provided if required
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