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500 Series Needle Valve
Brand: Noshok, Inc
Features
- 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
- 6,000 psi pressure rating at 200° F
- Replaceable Delrin® 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; PTFE packing optional (certain NPT sizes only)
- 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)
Options
- Panel Mountings
- O-Ring Materials
- Handles
- Packings
- Regulating Stem
- Stem Tips
Specifications
Brand
Enclosure, Body Material
- Electro-Polished 316 Stainless Steel
- Zinc-Nickel-Plated Steel
Flow Capacity
- 1/4” - 1/2” NPT: Cv 0.76
- 3/4” - 1-1/2” NPT: Cv 4.0
Handle Assembly Material
- 1-3/8”, 1-3/4”, 2-3/8” Phenolic
Mounting
- Panel Mount (1 Nut, 2 Nuts)
NPT Inlet
- 1” NPT Female
- 1” NPT Male
- 1/2” NPT Female
- 1/2” NPT Male
- 1/4” NPT Female
- 1/4” NPT Male
- 1/8” NPT Female
- 1/8” NPT Male
- 1-1/2” NPT Female
- 1-1/2” NPT Male
- 1-1/4” NPT Female
- 1-1/4” NPT Male
- 3/4” NPT Female
- 3/4” NPT Male
NPT Outlet
- 1” NPT Female
- 1” NPT Male
- 1/2” NPT Female
- 1/2” NPT Male
- 1/4” NPT Female
- 1/4” NPT Male
- 1/8” NPT Female
- 1/8” NPT Male
- 1-1/2” NPT Female
- 1-1/2” NPT Male
- 1-1/4” NPT Female
- 1-1/4” NPT Male
- 3/4” NPT Female
- 3/4” NPT Male
O-Ring Material
- Ethylene Propylene (EPR)
- FFKM (Kalrez 3018 or Equivalent)
- FKM
- NBR
Options
- Handle
- Regulating Stem & Stem Tips
Orifice Size
- 1/4” - 1/2” NPT: 0.187”
- 3/4” - 1-1/2” NPT: 0.438”
Packing Material
- PTFE Packing Optional for 1/4”, 3/8” & 1/2” NPT Only
Pressure Rating
- psi: 6,000 (kPa: 41,370, bar: 413.7) at 93° C (200° F)
Seat / Seal Material
- 304 Stainless Steel
- Steel
Stem Material
- 316 Stainless Steel
Stem Type
- Non-Rotating