Noshok
2020/2120 Series 2-Valve Liquid Level Manifold Valves
2020/2120 Series 2-Valve Liquid Level Manifold Valves
Key Features
- Designed for use with differential pressure transmitters in liquid
level applications - Available in either single flange or double flange connection for
direct installation - 100% helium leak tested to 1 x 10-4 ml/s for guaranteed
performance and reliability - 2020 Series hard seat valves have 10,000 psi pressure rating @ 200 °F
- 2120 Series soft seat valves have 6,000 psi pressure rating @ 200 °F
- 2120 Series valves also feature a 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 or Grafoil® packing optional - 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 caps for bonnets and stems (non-packing)
SPECIFICATIONS | |
Materials | Zinc-nickel plated steel, electropolished 316 stainless steel |
Connections | Flange-flange, 1/2" NPT-flange |
Pressure ratings | Hard Seat: 10,000 psi @ 200 °F Soft Seat: 6,000 psi @ 200 °F |
Orifice size | 0.187" |
Flow coefficient | Hard Seat: CV 0.44 Soft Seat: CV 0.76 |
Stem seal & type | All 316 stainless steel stems with FKM o-ring and PTFE back-up ring below the threads, PTFE or Grafoil® packing optional |
Options | Panel mountings, o-ring materials, handles, packings, regulating stem and stem tips |
Catalogs
Catalog Pages
344.7 kB