300H-3-2-145/1750-8 - 300 Series Mechanical Compact Single Pole Double Throw (SPDT) Pressure Switches with Adjustable Hysteresis

Manufacturer: NOSHOK, Inc.
Availability:
Backordered
Partner Available:Backordered
SKU 300H-3-2-145/1750-8
$99.38/each
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Products specifications
Attribute nameAttribute value
UOMEAApplication
  • Hydraulics & pneumatics
  • Pumps & compressors
  • Tank monitoring
  • Leak detection
  • Water management
Prop 65 Warnings
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
Limitations Which Apply AreThese units must be operated within the catalogued environmental and application parameters. Determination of failure will be made by NOSHOK, Inc.'s equipment and personnel or a certified test facility specializing in this type of evaluation. Gauge failures determined to be caused by over-range, incompatibility with environment or product media and abuse will not be considered under this warranty. NOSHOK, Inc. will, at its discretion, repair or replace the working parts of the damaged gauge without cost to the customer.

In keeping with and for purposes of product and/or manufacturing process improvements, NOSHOK, Inc. reserves the right to make design changes without prior notice.
Warranty_yr1Distribution ManifoldsNOSHOK's Distribution Manifolds connect multiple instruments to one diaphragm seal, eliminating multiple connections that lead to possible leak paths.
Steam Syphons
  • Protect the instrument from the damaging effects of high temperature steam
  • Recommended for use in all steam applications
  • Available in 1/4" and 1/2" NPT sizes in welded steel, welded 316 Stainless Steel or seamless 316 Stainless Steel with ratings to 3,800 psi at 850 ºF
Swivel Adapters
  • Temperature ratings: 15,000 psi at 200 ºF and 3,000 psi at 1,000 ºF
  • Used with gauges and gauge valves to adjust the line of sight
  • Rotates 360º to allow the connected instrument to be positioned in the desired direction
  • The pressure connection is achieved with a tapered cone style compression fitting simply by tightening the swivel hex nut
  • All 316 Stainless Steel construction
  • Standard with 1/2" NPT male process - 1/2" NPT female instrument connections
  • Also available with 1/4" NPT connections, same specifications apply
  • Weight approximately 0.8 lb.
Media Temperature Range_ºC-20 to 80Media Temperature Range_ºF-4 to 176
Pressure Snubbers - Piston Type
  • Resist clogging and are self-cleaning
  • Five different sized pistons included with each snubber to ensure the correct amount of snubbing for virtually every application
  • Available in Brass and 316 Stainless Steel in 1/4" NPT, 1/2" NPT or SAE J1926-3: 7/16-20
  • Weight approximately 0.2 lb. for 1/4" & 7/16", and approximately 0.4 lb. for 1/2"
Pressure Snubbers - Sintered Type
  • Cost effective solution to protect expensive instrumentation
  • Increases gauge readability by smoothing out pressure surges, pulsations and spikes
  • 5 basic elements available for each snubber to accommodate specific application needs
  • Snubbing action achieved by utilizing a corrosion resistant 316 Stainless Steel sintered porous element
  • Exotic materials or intermediate disc grades available
  • Provides long service life with no moving parts to wear out
  • Weight approximately 0.2 lb. for 1/4" & 7/16", and approximately 0.4 lb. for 1/2
Measuring ElementNBRService Life< 1,000,000 Load Cycles
Contact Rating6A @ 12/24 Vdc 6A @ 125/250 VacMechanical Switches Options & AccessoriesFactory Adjusted Switch Point (Specify)
Weight_lb0.2Environmental RatingIngress Protection (IP65)
TypeMechanical SwitchProcess Connection1/4" NPT Male
Ambient Temperature Range_ºC-20 to 80Ambient Temperature Range_ºF-4 to 176
Housing MaterialZinc-Nickel Plated SteelProcess Connection Size_in1/4
Switching FunctionSPDTElectrical ConnectionDIN EN 175301-803 Form A
Series300HysteresisAdjustable
Switch TypeSnap Action with Adjustable HysteresisSwitch PointField Adjustable and/or Factory Set
Contact MaterialSolid Silver, Self-CleaningNon-Repeatability2% of Full Set Point Range at 70 ºF
Proof Pressure_psig870 to 5,000Switch Adjustable Range145 to 1,750 psig
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