Tank Monitoring Cap - 4 inch

FIG 305XP

Tank monitor caps and adaptors are installed on tank monitor riser pipes to keep water and debris out while providing a liquid tight opening for the probe wire to pass through. 

Available with a 3/ 8 " or 1/2" threaded (NPT) hole for cable connector. 3/ 8 " or 1/2" cable connector is available with cap.

Standard Features

Keeps water, dirt and debris out of the tank

Lockable with a padlock

Prevents vapors from escaping 

Low profile models when space is limited

Easy to engage push-on 

Large easy to grip pull ring makes it fast and easy to remove 

 

 

Construction Details

Body: Aluminum

  • Cam levers: Aluminum (4”), brass (2”)

  • Gaskets: Buna-N

  • Cable connector: Plastic

 

 

Approvals

Some models are CARB Certified, VR-101-F; Some models VR-402-A,

Model 305CU is UL Listed

Figure Suffix Size Description Weight (lbs)
305XP 0100 AC 4" This model has been replaced with 305XP-0100ACEVR. 2
305XP 0100ACEVR 4" Tank Monitoring Cap w/ 3/8" Threaded Port Hole, CARB EVR Approved 2
305XP 0200 AC 4" This model has been replaced with 305XP-0200ACEVR. 2
305XP 0200ACEVR 4" Tank Monitoring Cap w/Port Hole & Cable Connector 3/8", CARB EVR Approved 2
305XP 1100 AC 4" This model has been replaced with 305XP-1100ACEVR. 2
305XP 1100ACEVR 4" Tank Monitoring Cap w/ 1/2" Threaded Port Hole, CARB EVR Approved 2
305XP 1200 AC 4" This model has been replaced with 305XP-1200ACEVR. 2
305XP 1200ACEVR 4" Tank Monitoring Cap w/Port Hole & Cable Connector 1/2", EVR 2
305XP 1300 AC 4" Tank Monitoring Cap w/Port Holes & 2Cable Connector 1/2" 2
305XP 4100 AC 4" Tank Monitoring Cap w/ 3/8" Threaded port hole, FKM 2
305XP 4200 AC 4" Tank Monitoring Cap w/ 3/8" Threaded port hole & Cable Connecter, FKM 2
305XP 5100 AC 4" Tank Monitoring Cap w/ 1/2" Threaded port hole, FKM 2
305XP 5200 AC 4" Tank Monitoring Cap w/ 1/2" Threaded port hole & Cable Connecter, FKM 2

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CARB Certification

Morrison Bros. Co. has received approval from California’s Air Resource Board for a Phase 1 Enhanced Vapor Recovery System for Protected Aboveground Storage Tanks. Click here to get started on your CARB certification!

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