74

• 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 performance and reliability

• 2120 Series valves also feature a replaceable Acetalseat, 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 Graphite packing optional

• 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

• Color coded vinyl dust caps for bonnets and stems (non-packing)

2020/2120

2020/2120 SERIES

Hard & Soft Seat

Manifold V alves, 2-V alve Liquid Level

NOTE: All NOSHOK valve products conform to the MSS SP-99 instrument valves standards, and valves supplied with packing

also conform to MSS SP-132 compression packing systems for instrument valves standard.

Materials

Zinc-Nickel plated Steel,

electropolished 316 Stainless Steel*

Connections

Flange-flange, 1/2" NPT-flange

Pressure

Hard seat: 10,000 psi @ 200 °F

ratings**

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

Graphite packing optional

Options

Panel mountings, o-ring materials, handles,

packings, regulating stem and stem tips

Weight

Approximately 5.5 lb.

SPECIFICATIONS

* All 316SS products meet the requirements of NACE MR0175/ISO 15156-3.

** If a packing option is chosen, maximum pressure rating is 6,000 psi.

Refer to the "Pressure vs. Temperature: Packing Style with Compatible Fluid"

chart at the back of this catalog.

Flow Schematic

WARNING: This product can expose you to chemicals including Lead and Nickel, which are known to the State of California to cause cancer

and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

NOSHOK,Inc. 1010 W. Bagley Road | Berea, OH 44017 | Ph 440.243.0888 | Fax 440.243.3472