0 Item(s)

Noshok 804-MB

800 Series 1/2" NPT Male Brass Hard Seat Bleed Valve

Order #: 804-MB

Mfg Part #: 804-MB

$55.06 USD

$51.28 USD


Ships in 2-3 weeks

Free shipping over $250

Add Items to Cart

Request a Calibration Quote

Transcat can calibrate your existing instruments.

Request a Calibration Quote

Rent From Transcat

Do you need a test instrument for a short time?

Request a Rental Quote

click on image to view gallery image(s)

View All Noshok Products

Overview :

Product Highlights

  • 1/2" NPT Male Hard Seat Brass Bleed Valve
  • Bleed valves provide a convenient means to relieve process pressures trapped between a shut off valve and the instrument
  • Uses the same bonnet assemblies of the 100/150 Series mini valves with an integrated single threaded body for insertion in vent port
  • Soft tip valves feature a patented Delrin® non-rotating soft tip stem, and a back-up metal-to-metal seal (U.S. Patent 6,820,857)
  • 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability 10,000 PSI hard seat pressure rating @ 200°F
  • Available in zinc-nickel plated steel, electropolished stainless steel, and brass
  • FKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Grafoil® (800 Series only) packing optional
  • All stems are 316 stainless steel
  • All stem threads are rolled for strength and ease of operation
  • 0.159" bleed port
  • Patented body-to-bonnet, metal-to-metal seal is designed to significantly increase the pressure range of the valve (U.S. Patent 7,758,014)