DUCO® High-Pressure 'HEAVY-WALL with RED LINE' Sight Gauge Glass (5/8" OD) w/ 2 EPDM Gaskets

* Its Heavy Wall thickness (7/32"=5.56mm) provides outstanding working pressure and product life.

** Depending on local codes, inspectors require RED LINE gauge glass.

• Replace your ordinary sight glass(5/8"OD) with this HEAVY-WALL(7/32"=5.56mm) with RED-LINE added sight glass for better optical effect to determine the liquid level from a distance than regular PLAIN type sight glasses. 
• Used in all Brands of Steam Boilers, Jewelry Steamers, Return Tanks and Reservoirs.
• All DUCO® High Pressure Tubular Gauge Glasses come with Free 2 of EPDM Gaskets.
• DUCO® is USA Brand and serving steam industry for more than 20 Years.

* Buy 2 or more to get extra 10% off *

HEAVY-WALL w/Red Line Sight Glass Specifications:

• Material: Borosilicate 3.3 Glass
• 1 Red & 2 White lines
• Works at pressures as high as 600 psi at temperature up to 150 ºF without corrosion.
• Fire-Polished/Saw Cut End
• OD (Outside Diameter): 5/8" (15.88 mm) ± 1/64", -3/64"
• ID (Inside Diameter): 13/64" (5.16 mm)
• Wall Thickness:  7/32" (5.56 mm) ± 3/64", -0"
• Length available: 8-3/8" to 12"
• Steam boiler service working pressure:

       up to                         w/o corrosion                             up to 425 ºF

           10                                   600                                              345

           12                                   600                                              345

           14                                   600                                              335

           16                                   600                                              325

Gasket Specifications:

• Material: Premium EPDM (holds up to 302 ºF, 150 ºC)
• I D:       5/8" (15.88 mm)
• OD:  27/32" (21.50 mm)
• TH:    11/32" (8.50 mm)

Packaging:

All glasses will be shipped in Heavy-Duty protective cardboard tube individually.

10 pcs/Box with protective molded foam if you order by incremental of 10 pcs.

Shipping:

Free, Fast & Same Day Shipping

Same Business Day Shipping for the orders paid by 12:00 pm EST (Monday-Friday).

All orders paid after 12:00 pm EST will be shipped on next business day. 

Returns:

We accept buyers' return within 30 days after receiving the item, buyers pay return shipping.

Questions?

Please contact us if you have any questions and suggestions.

*Visit our store for other sight glass models, sizes and premium Gaskets*

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