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The Mini-Check (M1-M8) is designed for minimum pressure drop.

The three-piece construction permits many combinations of end fittings, which makes the valve adaptable for nearly every application. The Mini-Check is available with 1/8, 1/4, and 3/8 inch pipe threads, both male and female. 

It can also be supplied with a 1/8" (3.175 mm), 1/4" (6.35 mm), or 3/8" (9.52 mm) tubing end on one side and with a pipe thread end on the other. Combinations of male and female threads are also available. The Mini-Check 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
M1-M8 MINI CHECK VALVE
M1-M8 MINI CHECK VALVE
  • Valve Style - Male Pipe Threads Both Ends
  • Size - 1/8"
  • Body Material - Brass
  • Seat Material - Aflas
  • Cracking Pressure - Standard Pressure: .125 psi
  • Spring Material - 316 Stainless Steel
  • Spring - Standard
  • O-Ring - Without O-Ring
  • Tube Type - Standard
1 - 1 of 1 Part Numbers

Specifications

Approvals & Certifications

  • ISO 9001

Approvals & Certifications

  • PED - 97/23/EC

Diameter

  • Orifice: 0.348” to 0.464” (8.63 to 11.68 mm)

Enclosure, Body Material

  • 316 Stainless Steel
  • Brass
  • Carbon Steel

Flow Rate

  • 1.1 to 3.2 Cv

Media

  • Water

O-Ring Material

  • AFLAS
  • Buna-N
  • EPDM
  • Kalrez
  • Neoprene
  • PTFE
  • Viton

Pipe Size

  • 1/8” to 3/8” (3.17 to 9.52 mm)

Pressure Range

  • Non-Shock Pressure-Temperature Rating - psig: 3,000 to 5,000 (kPa: 20,680 to 34,470, bar: 206.8 to 344.7) 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 C-276 or Hastelloy
  • Alloy X-750 (Inconel)
  • Fluorinated Ethylene Propylene (FEP)
  • Titanium

Tolerance

  • Spring Tolerance: ± 15 %

Tube Connection

  • 1/4” Tube
  • 1/8” Tube
  • 3/8” Tube

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