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KPR Series General-Purpose Regulator

Brand: Swagelok Company

The KPR series is a compact regulator with excellent accuracy, sensitivity, and set-point pressure stability.
Features
  • Convoluted, nonperforated diaphragm
  • Metal-to-metal diaphragm seal
  • Low internal volume
  • Two-piece cap design provides linear load on the diaphragm seal
  • High-flow, dual-gauze type filter positively retained in inlet port
  • Maximum Inlet Pressure: psig: 100 to 6,000 (bar: 6.9 to 413, kPa: 689.5 to 41,368)
  • Pressure Control Range: psig: 0 to 10 (bar: 0 to 0.68, kPa: 0 to 68.9) through psig: 0 to 500 (bar: 0 to 34.4, kPa: 0 to 3,447)
  • Maximum Operating Temperature:
    • 80°C (176°F) with PCTFE
    • 200°C (392°F) with PEEK
    • 100°C (212°F) with PEEK and inlet pressure greater then 3600 psig
  • Process Connection: 1/4" Female NPT, 1/4" tube butt weld, 1/4" VCR inlet
  • Actuator: Knob, Antitamper nut
  • Materials of Construction:
    • Enclosure: 316 Stainless Steel, Brass, Alloy
    • Diaphragm: Alloy X-750, Alloy C-276
    • Poppet: S17400 Stainless Steel, Alloy
    • Seat: PCTFE, PEEK

Specifications

Actuator Type

  • 316 Stainless Steel Anti-Tamper Nut
  • Knob

Diaphragm Material

  • Alloy C-276 (Hastelloy C, Inconel)
  • Alloy X-750 (Inconel)

Enclosure, Body Material

  • 316 Stainless Steel
  • Alloy 400 or Monel
  • Alloy C-276 (Hastelloy C, Inconel)
  • Brass CW 721R

Filter

  • 316 Stainless Steel
  • Alloy C-22 (Hastelloy)
  • Filter, 25 μm
  • No Filter

Flow Rate

  • 0.02 Cv
  • 0.06 Cv
  • 0.20 Cv
  • 0.50 Cv

Media

  • Gas

Mounting

  • None
  • Panel

NPT Connection

  • 1/4" NPT Female

Poppet Material

  • Alloy 400 or Monel
  • Alloy C-276 (Hastelloy C, Inconel)
  • S17400 Stainless Steel

Pressure Range

  • bar: 0 to 34.4
  • kPa: 0 to 3,447
  • psig: 0 to 500

Process Temperature

  • 80° to 200° C (176° to 392° F)

Relief

  • High Flow

Seat / Seal Material

  • PCTFE
  • PEEK

Special Cleaning & Packaging

  • ASTM G93 Level E-Cleaned
  • SC-11

Stem Material

  • 316 Stainless Steel

Supply Pressure - Maximum

  • bar: 6.8 to 6,000
  • kPa: 689 to 41,368
  • psig: 100 to 6,000

Supply Pressure Effect

  • 0.3 to 3.3 %

Tube Connection

  • 1/4" x 0.035" Tube Butt Weld

VCR / VCO Connection

  • 1/4" Gland & Rotatable Female/Male VCR

Vent

  • Captured & No Self Vent
  • Non-Venting
  • Self & Captured Vent
  • Self-Venting
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