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CheckAll Valve Universal Low Pressure Check Valve, U3/UR

U3/UR Universal Low Pressure Check Valve

Brand: Check-All Valve Manufacturing Company
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The Universal Low Pressure (U3, UR) check valve is a one piece body machined from bar stock and is designed for minimum pressure drop.

The valve has a light-weight, compact design that provides maintenance-free, dependable service. NPT threads are per ASME B1.20.1. Also available with ISO 7 "Rp" threads. (UR). These valves can also be used as a low pressure relief valve or vacuum breaker by using the desired spring settings.

1 - 1 of 1 Part Numbers
U3/UR UNIVERSAL LOW PRESSURE CHECK VALVE
U3/UR UNIVERSAL LOW PRESSURE CHECK VALVE
  • Valve Style - NPT Threads
  • Size - 3/8"
  • Body Material - Alloy 20
  • Seat Material - Aflas
  • Cracking Pressure - Standard Pressure: .125 psi
  • Spring Material - 316 Stainless Steel
  • Spring - Standard
1 - 1 of 1 Part Numbers

Specifications

Brand

Approvals & Certifications

  • CE
  • PED - 97/23/EC

Approvals & Certifications

  • ISO 9001

BSP Connection

  • 1” BSPP Female
  • 1/2” BSPP Female
  • 1-1/2” BSPP Female
  • 1-1/4” BSPP Female
  • 2” BSPP Female
  • 2-1/2” BSPP Female
  • 3” BSPP Female
  • 3/4” BSPP Female
  • 3/8” BSPP Female
  • 4” BSPP Female

Diameter

  • Orifice: 0.348” to 2.56” (8.63 to 65.02 mm)

Enclosure, Body Material

  • 316 Stainless Steel
  • Alloy 20 or Incoloy
  • Alloy 400 or Monel
  • Alloy B
  • Alloy C-276 or Hastelloy
  • Brass
  • Carbon Steel
  • Titanium

Flow Rate

  • 1.9 to 140 Cv

Media

  • Water

NPT Connection

  • 1” NPT Female
  • 1/2” NPT Female
  • 1-1/2” NPT Female
  • 1-1/4” NPT Female
  • 2” NPT Female
  • 2-1/2” NPT Female
  • 3” NPT Female
  • 3/4” NPT Female
  • 3/8” NPT Female
  • 4” NPT Female

Pipe Size

  • 3/8” to 4” (9.52 to 101.6 mm)

Pressure Range

  • Non-Shock Pressure-Temperature Rating - psi: 3,000 (kPa: 20,680, bar: 206.8) at 37.7° C (100° F)
  • Non-Shock Pressure-Temperature Rating - psi: 1,500 (kPa: 10,000, bar: 100) at 37.7° C (100° F)

Seat / Seal Material

  • Seat: AFLAS
  • Seat: Buna-N
  • Seat: EPDM
  • Seat: Kalrez
  • Seat: Metal to Metal
  • Seat: Neoprene
  • Seat: PTFE
  • Seat: Viton

Spring Material

  • 316 Stainless Steel
  • AISI 631 Stainless Steel, 17-7 PH
  • Alloy 400 or Monel
  • Alloy B
  • Alloy C-276 or Hastelloy
  • Alloy X-750 (Inconel)
  • Fluorinated Ethylene Propylene (FEP)
  • Titanium

Tolerance

  • Spring Tolerance: ± 15 %

Documentation

Data Sheets

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