Online Chat

FREE UPS GROUND SHIPPING - $500 MIN ORDER & CONTINENTAL US

My Cart

RVC3ST-25 - Betts Guardian -3 Inch Pressure Relief/Vacuum Vent - With Ports - Swivel Nut - 25 psi - LJI Part: RVC3ST-25

SKU
RVC3ST-25
SKU
RVC3ST-25
$1,716.77
Brand : Betts
Size : 3 Inch
Type : Vents
Material : Stainless Steel
Vendor Number : RVC3ST-25
The Betts Guardian RVC3ST-25 is a 3-inch NPS swivel-mount combination pressure/vacuum relief valve for a 25 psig MAWP cargo tank, with PTFE seals and a 316L stainless steel body.
The Betts Guardian RVC3ST-25 Combo Valve is a spring-loaded, reclosing pressure and vacuum relief device for a cargo tank's primary pressure and vacuum relief system, designed, tested, and marked in accordance with US DOT 49CFR178.345-10, 178.347-4, and 178.348-4. The body and O-ring holder are constructed of 316L stainless steel with PTFE seals for compatibility with a wide range of products and temperatures. It features a vibration-resistant magnetic vacuum seat and a compact, optimized flow design, with a 3-inch NPS swivel mount rated for a 25 psig MAWP tank.

Technical Specs List

  • Size: 3 inches
  • Connection: NPS Swivel Nut
  • Body/O-Ring Holder Material: 316L Stainless Steel
  • Seal Material: PTFE
  • Temperature Range: -40F to 400F (-40C to 204C)
  • Tank MAWP Rating: 25 psig
  • Set Pressure: 30 psig
  • Rated Pressure Air Flow Capacity: 409,559 SCFH @ 45 psig
  • Water Flow Rate: 1,050 gpm @ 45 psig
  • Set Vacuum: 1.5 psig
  • Rated Vacuum Air Flow Capacity: 12,500 SCFH @ 3.0 psig
  • Minimum Bursting Pressure: 200 psi (13.8 bar)
  • Weight: 17.4 pounds

ONE
STOP
SHOP

  • Quality Parts in Stock
  • Dependable Service
  • Trailer Solutions Available
  • Fast Turnaround
  • Support You Can Trust

© 2026 Littlejohn, Inc. All Rights Reserved.