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Brass Vacuum Relief Valve, NPT Inlet Type, Vented Outlet Type

  • Item # 49EL63
  • My Part #
  • Mfr. Model # 22397-0000LF
  • Catalog Page # 2896
  • UNSPSC # 40141606
Brass Vacuum Relief Valve, NPT Inlet Type, Vented Outlet Type close

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  • Shipping Weight 0.2 lbs.
Country of Origin Taiwan Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

Ideal for protecting pressure vessels and hot water supply systems against negative pressure, this CASH ACME vacuum relief valve has a low-profile design with a slotted vent hole. Model opens on a 1” mercury vacuum and is designed for upright mounting. Relief valve is suitable for use in many commercial and domestic systems.

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Technical Specs

  • Item Vacuum Relief Valve
  • Body Material Brass
  • Inlet Type NPT
  • Outlet Type Vented
  • Inlet Size 1/2"
  • Outlet Size 1/2"
  • Factory Set Pressure 5 psi
  • Pressure Range 0 to 200 PSI
  • BtuH 500,000
  • Steam Capacity (Lb./Hr.) 200
  • Disc Material Silicone
  • Overall Height 2-1/2"
  • Application Water Heater Pressure Relief
  • Overall Length 1-3/4"
  • Seat Material Silicone
  • Spring Material Stainless Steel
  • Temp. Range 0 Degrees to 210 Degrees F
  • Test Lever No
  • Compliance ANSI Z21.22/CSA 4.4
  • Standards ANSI Z21.22, CSA 4.4
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Compliance and Restrictions

  • This product has been certified by a third party to be compliant with the “Safe Drinking Water Act” requirements for low lead in potable (human consumption - drinking and cooking) and non-potable water applications (non-human consumption).

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