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
|