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Model P40 Pneumatic Pressure Switch
K-Dyne Pneumatic Pressure Switch, Model P40

Model P40 Pneumatic Pressure Switch

Brand: K-Dyne, Inc
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The K-Dyne, Inc. Model P40 Pneumatic Pressure Switch was specifically designed for the rigorous oilfield environment. If functions as easy as a 3-way "block and bleed" valve that can be configured to respond to increasing or decreasing process pressures. The standard unit utilizes a patented system which provides three piston diameters that are selected by simply changing the orientation of one part. When used in combination with one of the three available spring sizes, the Model P40 offers sensing ranges from 10 to 10,000 psi. without the purchase of additional bases or pistons.
Features
  • Compact size saves space in panel use
  • Patented piston/base design has three sensing diameters built in
  • Piston and base materials meet NACE MR01-75
  • Unique instrument valve constructed allows for minimum dead band and max seat life
  • A 1/4" NPT (F) sensor base connection reduces fitting costs for panel mounted applications
  • Large flow paths are provided in the sensing base and piston to insure quick response to pressure changes
  • Spring may be removed without bleeding off instrumentation or process pressures
  • All sensing seals incorporate PTFE back-up rings permitting low pressure sensing ranges to operate up to 10,000 psi without seal damage

Specifications

Brand

Ambient Temperature Range

  • -29° to 82° C (-20° to 180° F)

Cap Material

  • Spring Cap: Delrin 507

Enclosure, Body Material

  • AISI 316 Stainless Steel

O-Ring Material

  • Fluorocarbon

Piston Material

  • 1.25" / 0.50" (Lg) & 0.25" (Small): AISI 316 Stainless Steel

Ring Material

  • Lock & Panel Mount Ring: Delrin 507

Set Point - Decreasing

  • bar: 0.69 to 689.5
  • kPa: 69 to 68,950
  • psi: 10 to 10,000

Set Point - Increasing

  • bar: 0.69 to 689.5
  • kPa: 68.9 to 68,950
  • psi: 10 to 10,000

Switch Type

  • 3-Way Pneumatic

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