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
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 )
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#
Operation Type
Manual lever operated / Gear operated
Certification
EN10204 – 3.1 Certification / 3.2 will be provided if required