Part #: PRV-SS-MB4-FNPS-SN-A-30-PV

Pressure Relief Valve - 4" Master Blaster - Stainless Steel - Female NPS Swivel Nut - 30 PSI MAWP/36 PSI Set Pressure/4HG - Includes 1/4" FNPT Gauge Port & 3/4" FNPT Ball Valve Connection - Rain Cover Installed - Pressure & Vacuum

  • 316 Stainless Steel
  • Flow Test Approved with National Board Testing Lab
  • Exceeds Applicable DOT 407/412 Venting Requirements
  • FEL/SIL Seals
  • ¼" & ¾" NPT Ports for air/gauge
  • 4" NPS Swivel Nut with PTFE O-Ring seal