Noshok, Inc.
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NOSHOK - Model 2020/2120 Series -2-Valve Liquid Level Manifold Valves Hard Seat & Soft Seat
FromNoshok, Inc.
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.
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- 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)
- 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
- Weight: Approximately 5.5 lb.