DOUBLE BLOCK AND BLEED VALVES
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Compact Design Ball Needle Ball Configuration
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Forged Single Piece and Two/Three Piece Bolted Design Options
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Fire Safe as per API 6FA
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Anti-Blow-Out Ball Tip Stem design as Standard of Vent Needle Valves
Valve Body Construction
- Single, Two and Three Piece Screwed and Bolted Design
Ball Design Construction
- Floating and Trunnion mounted
End Connection Variants
- Flange x Flange, Flange x Threaded
- Flange Variants – RF and RTJ
End Connections
- NPT, BSPT and Flanged as Standard
Size range
- 1/2” to 2” and 12mm to 50mm Flange
- End and Male/Female Threaded Pipe End Connections
Bore/Port Options
- Reduced and Full Bore options
Operating Pressure Range
- Class150 to Class 4500
Gland Seal Materials
- PTFE, RPTFE as Standard for Bleed Needle Valve and Ball Valve Stem
- Graphite on request in High Temperature Applications
Ball Valve Seat Materials
- PTFE as Standard up to 200°C
- Graphite for temperatures up to 640°C
Design Standards
– Shell Design
- In Accordance with ASME B16.34
– Flange
- In Accordance with ASME B16.5(RF/RTJ)
– Threads
- ANSI B1.20.1
– Pressure Test
- ASME B16.34, API 6D
- Fire Safe as per API 607
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Oil & Gas
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Chemical & Petrochemical
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Power Generation
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Food & Beverage
Note: – As a drive for continuous improvements of our products, Powerlok reserves the right to change the descriptions contained in this brochure without prior notice. Consult local Agent or Factory for revisions and/or service related issues.