DOUBLE BLOCK & BLEED MONOFLANGE

Category: Mono Flange Valves
Features
• Flange dimensions as per ANSI B16.5 std
• Design & Pressure rating as per std ASME B16.34 std
• NPT Thread as per ANSI B1.20.1 std
• Optional constructions are available
• OS &Y Design available
• Compact design for Instrumentation
• Non rotating Tip for long life and self-centering
• Metal to metal seat for bubble tight positive shut off
• Re adjustable packing method for long life of seal
• Dust cap to protect from external contamination
• Metal back seat to avoid stem blow out during operation
• Packing below thread to avoid lubricant washout
• Capable to work in un clean condition
• Supply to NACE MR-0175 / ISO15156, if required
• Anti tamper key (Optional )
• Fire safe design option available as per STD BS 6755 Part 2 / ISO 10497
ANSI Pressure class
150# / 300# / 600# / 900# / 1500# / 2500#
Size
1/2" to 3” ( DN 15 to DN 80 )
Materials
SS 316/316L , A105 / 350LF2, MONEL, INCONEL, DUPLEX, SUPER DUPLEX, HASTELLOY, BRONZE
Gland packing
PTFE / Filled PTFE / AED O RING / GRAPHITE
Working Temperature
-52°C To +425°C ( -61.6°F To +797°F)
Testing
100% Hydro testing performed as per Std BS EN 12266-1 / API 598
Variants
• Single Block ( SB Type )
• Block & Bleed ( BB Type )
• Double Block & Bleed ( DBB )
Inlet
Flanged end ( RF / RTJ )
Outlet
Screwed end ( NPT / BSPP / BSPT ) - Male / Female
Vent
½” NPT / ¼” NPT