NOSHOK 704FFS offre

Caractéristiques

• Block and bleed design allows pressure to be bled off without disturbing the permanent piping installation, allowing quick and easy removal or replacement of instruments
• 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
• 6000 psi pressure rating at 200°F (93.33°C)
• Replaceable Acetal seat and straight through porting for bidirectional, high capacity flow and easy roddable cleaning
• Blow-out proof stem provides a secondary stem seal in the full open position
• FKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling
• All stems are 316 stainless steel
• All stem threads are rolled for strength and ease of operation
• One-piece bonnet with a metal-to-metal seal to the valve body below the bonnet threads
• Slotted spring pin to prevent accidental loosening
• Vinyl dust cap for bonnet and stem (non-packing)
• 0.09" (2.29 mm) bleed hole located on the bottom is controlled by a ¼"-20 UNF-2A bleed screw