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The Check-All Flanged & Drilled - Fluoropolymer (PTFE) Lined (HT) check valve is a one piece body with ANSI/ASME B16.5 Class 150 flanged ends.

The valve has a solid one piece PTFE liner which covers the flange faces out to the raised face diameter. All wetted surfaces are fluoropolymer (PTFE/FEP/PFA) including the FEP encapsulated stainless steel spring. Style HT bodies are made of cast carbon steel only. 

The liner is made of virgin PTFE. It is installed as one solid piece of PTFE and the internal geometrical shape is machined. The PTFE liner has a minimum wall thickness of 3/32" (2.38 mm), which guarantees against pin holes which can be present in fused liners. The HT valve 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
HT FLANGED AND DRILLED CHECK VALVE
HT FLANGED AND DRILLED CHECK VALVE
  • Size - 1"
  • Body Material - WCB/WCC Carbon Steel
  • Seat Material - Aflas
  • Cracking Pressure - Standard Pressure: .125 psi
  • Spring Material - 316 Stainless Steel
  • Spring - Standard
1 - 1 of 1 Part Numbers

Specifications

Approvals & Certifications

  • PED 97/23/EC

Approvals & Certifications

  • ISO 9001

Diameter

  • Orifice: 0.89” to 2.025” (22.61 to 51.31 mm)

Enclosure, Body Material

  • Carbon Steel (WCB, WCC)

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - 150# ANSI/ASME

Flange Size - 1” (DN 25)

  • 1” (DN 25) - 150# ANSI/ASME

Flange Size - 2” (DN 50)

  • 2” (DN 50) - 150# ANSI/ASME

Flange Type

  • Raised Face (RF)

Flow Rate

  • 12.6 to 83 Cv

Materials of Construction

  • Liner: PTFE

Media

  • Water

Pipe Size

  • 1” to 2” (25.4 to 50.8 mm)

Pressure Range

  • Non-Shock Pressure-Temperature Rating - psig: 20 to 55 (kPa: 138 to 379, bar: 1.3 to 3.7) 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
  • Alloy 400 or Monel
  • Alloy C-276 or Hastelloy
  • Alloy X-750 (Inconel)
  • Fluorinated Ethylene Propylene (FEP)
  • Titanium

Tolerance

  • Spring Tolerance: ± 15 %

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