DWSG Series

Dual Wiper Sight Glass (DWSG)

The GUARD LEVEL® DWSG, Dual Wiper Sight Glass series of powerful sight glasses provide visual aid and full-depth gauging on coastal tank barges assuring safe loading and prevention of tank overfills.

With a 50-inch square viewing area, these sight glasses are vapor-tight and can be mounted on tank hatch domes or expansion trunks. Naturally, they comply with CFR regulations for full depth manual tank gauging. When placed above the tank sumps, the sight glasses’ visual gauging aids in a tank’s stripping operation.

Wiper elements of different types are available for petrochemical as well as chemical applications.

The gas-free version is also available and incorporates a hinged design with a flame screen.

VISUAL TANK GAUGING 50” SQ. INCH VIEWING AREA

ALL PARTS CAN BE REPLACED WITHOUT REMOVING COMPLETE UNIT

RAISED GLASS FOR EASY CLEANING AND TO ELIMINATE WATER ACCUMULATION

SINGLE 2-SIDED WIPER FOR SIMULTANEOUS WIPING OF TOP AND UNDERSIDES

½” THICK HEAT TEMPERED VIEWING GLASS

ALL STAINLESS CONSTRUCTION W/ TEFLON AND VITON SEALS STANDARD

OPTIONS:

MOUNTING TRUNK WITH HARDWARE

SINGLE TEFLON CHEMICAL WIPER

GUARD LEVEL® MAXIVIEW

The GUARD LEVEL® MAXIVIEW is a rugged heavyduty cast stainless-steel sight glass that provides visual aid and full-depth gauging on coastal tank barges assuring safe loading and prevention of tank overfills.

Unique features include the largest wiped surface area of any sight glass made in the industry and a raisedglass design for zero water accumulation.

The sight glass is vapor-tight and can be fitted on tank hatch domes or expansion trunks providing unmatched visual precision in full-depth gauging on coastal tank barges. Naturally, the MAXIVIEW complies with CFR regulations for full depth manual tank gauging. When placed above the tank sumps, the sight glasses’ visual gauging aids in a tank’s stripping operation.

Wiper elements of different types are available for petrochemical as well as chemical applications.

1/2”-thick tempered glass prevents cracked glass. The MAXIVIEW is a perfect bolt-on replacement for a competitors’ style rectangular sight glass.

LARGEST WIPED VIEWING OF ANY SIGHT GLASS. 30% MORE CLEAN AREA THAN NEAREST COMPETITOR

RAISED GLASS PREVENTS WATER ACCUMULATION AND ALLOWS FOR EASY CLEANING

ALL STAINLESS-STEEL CONSTRUCTION

F ITS ON ERL STYLE RECTANGULAR MOUNTING FLANGE FOR EASY RETROFIT

W IPER BLADES ARE IN CONSTANT CONTACT DUE TO NOVEL ROLLER GUIDE DESIGN

1/2” THICK TEMPERED GLASS PREVENTS CRACKED GLASS WHICH OCCUR WITH ERL STYLE RECTANGULAR SIGHT GLASS

GUARD LEVEL® VGT

The GUARD LEVEL® VGT (visual gauge tree) is a radial gauge tree, which when used with sight glasses provides enhanced gauging ability for full depth gauging.

Its unique design allows for absolute tank level readings and visual gauging up to 15 feet, clearly marked with ullage or innage flags every six inches or optional metric versions (available with 20cm spacing). Flag spacing can also be customized to order.

Large two-inch by four-inch numbers provide for easy viewing. Its stainless-steel bar stock provides maximum strength and reduces product build-up. Lengths can be custom sized.

GUARD LEVEL® VGT can be set for clockwise or counterclockwise rotation as well as ullage or innage measurements. Top-off flags for 95% and 98% are supplied separately and can be clamped on for the exact tank maximum level.

VISUAL GAUGING UP TO 15 FT WITH ULLAGE OR INNAGE FLAGS EVERY 6”

LARGE 2” X 4” NUMBERS PROVIDE FOR EASY VIEWING

MADE OF SOLID STAINLESS-STEEL BAR STOCK, PROVIDING MAXIMUM STRENGTH AND REDUCING PRODUCT BUILD UP

OPTIONS:

LENGTHS SHORTER OR LONGER TO ORDER

FLAG SPACING TO ORDER

METRIC FLAGS AVAILABLE WITH 20CM SPACING

TOP-OFF FLAG (STOP SIGN)

TOP OFF FLAG WITH 98%

TOP OFF FLAG WITH 95%