Description

USA Lab 1.5" Stainless Steel Sight Glass

The USA Lab 1.5" Stainless Steel Sight Glass provides a convenient way to view product and process activity inside a tank without exposing the internal environment to outside conditions. It is well suited for monitoring fermentation, extraction, and other tank-based processes where visual inspection is important.

Constructed from high-quality 304 stainless steel, this sight glass is designed for durability and repeated use. The sight glass uses a PTFE top gasket and offers a PTFE or Buna-N bottom gasket option, with pressure ratings of 50 PSI for PTFE and 200 PSI for Buna-N configurations.

The assembly can be disassembled for easy cleaning and inspection, helping users maintain a clean viewing point between process cycles. A spanner wrench of the appropriate size is required to open and close the sight glass.

1.5" Size 304 Stainless Steel PTFE or Buna-N Gasket Up to 200 PSI Easy Cleaning & Inspection

Process Visibility: View tank contents and process activity without opening the tank.

Durable Construction: High-quality 304 stainless steel body provides a robust sight-glass assembly for tank applications.

Serviceable Design: The sight glass comes apart for easy cleaning and inspection between process cycles.

Why buy from USA Lab

Expert Support
Engineers & technicians on staff.

Quality First
Tested and trusted products.

Fast Fulfillment
Nationwide 1-2 day shipping.

Warranty & Parts
US-based service & spares.

Why this USA Lab Sight Glass?

Tank process visibility — allows users to view product and process activity without exposing the internal tank environment.
304 stainless steel construction — provides a durable body for demanding tank and process applications.
Gasket flexibility — supplied with a PTFE top gasket and available with either PTFE or Buna-N bottom gasket options.
Pressure-rated configurations — PTFE configuration is rated to 50 PSI, while the Buna-N configuration is rated to 200 PSI.
Easy maintenance — the sight glass comes apart for cleaning and inspection between uses.

Talk to an expert

Get product guidance, gasket information, pressure-rating assistance, and support selecting the appropriate sight glass for your tank application.

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Technical Specifications

Specification	Details
Product Name	USA Lab 1.5" Stainless Steel Sight Glass
Product Type	Tank Sight Glass
Size	1.5"
Body Material	304 Stainless Steel
Viewing Function	Visual inspection of product and process inside the tank
Top Gasket Material	PTFE
Bottom Gasket Options	PTFE or Buna-N
PTFE Pressure Rating	50 PSI
Buna-N Pressure Rating	200 PSI
Overall Dimensions	3" x 3" x 2"
Weight	806 g / 1 lb 12.4 oz
Cleaning	Disassembles for cleaning
Inspection	Disassembles for inspection
Opening Method	Spanner wrench
Closing Method	Spanner wrench
Required Tool	Appropriately sized spanner wrench
Process Applications	Fermentation and extraction
Tank Application	Process and product viewing
Maintenance	Easy cleaning and inspection

Popular Industries & Use Cases

Botanical Extraction Pharmaceutical Processing Chemical Processing Laboratory Research

Business Solutions & Procurement

Programs & Terms

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Documentation & Compliance

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Custom Solutions

Tailored equipment and integration help.

Custom Request Consulting

Talk to Sales

We’ll help identify the right sight glass configuration for your tank and process.

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FAQ

What is the USA Lab 1.5" Stainless Steel Sight Glass used for?

The USA Lab 1.5" Stainless Steel Sight Glass allows users to visually monitor product and process activity inside a tank without exposing the internal portion of the tank to the outside environment. It can be used for processes such as fermentation and extraction.

What materials are used for the sight glass body and gaskets?

The sight glass body is made from 304 stainless steel. The top gasket is PTFE, while the bottom gasket is available in PTFE or Buna-N.

What are the pressure ratings for the PTFE and Buna-N configurations?

The PTFE configuration is rated for 50 PSI, while the Buna-N configuration is rated for 200 PSI.

How do I clean and inspect the USA Lab 1.5" Stainless Steel Sight Glass?

The sight glass comes apart for easy cleaning and inspection. An appropriately sized spanner wrench is required to open and close the sight glass.

Important Shipping Notice!

DISCLAIMER:

All items are carefully packaged to ensure safe delivery. In the rare event that your item arrives damaged, please notify us within 3 days of receipt. We will promptly provide a replacement or issue a refund.

Please note that any damage occurring after delivery is not covered under warranty. We appreciate your understanding and your trust in our products.

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Specifications

Top Gasket Material:	PTFE
Bottom Gasket Material:	PTFE or Buna-N
PSI Rating:	PTFE 50 PSI \| BUNA-N 200PSI
Body Material:	SS304
HPSG-TC15 1.5":	3" x 3" x 2" \| 806G / 1lb 12.4oz
Return Window:	30 days
Warranty Term:	1 Year
Lead Time:	1-3 Days
Dropship:	Yes

Warranty

Fittings and steel do NOT carry any warranty. Fittings and steel items with a defect or other issue must be identified within 30 days of arrival and USA Lab MUST be contacted. After 30 days, there will be no replacements sent for fittings or steel items with a defect or issue. Cross threading, misuse, improper storage, or improper care of fittings/steel are considered user error and are not covered under warranty.

Shipping & Returns

1–3 Business Days Standard Processing

Return Policy ↗ Varies by Product Warranty Policy ↗ Varies by Product

3 Days to Claim Inspect on Arrival

Shipping

Orders ship within 1–3 business days after payment clears. We ship Monday through Friday via UPS, USPS, and freight carriers.
Freight items (crated, hazmat, dropship, or special packaging) can take 1–5 business days to ship.
Expedited shipping speeds up transit, not processing. Contact us for true rush orders.
PO Box addresses ship USPS. Alcohols, chemicals, and hazmat cannot ship to a PO Box.

Full Shipping Policy

Delivery & Damage Claims

Inspect every shipment on arrival. Claims must be filed within 3 business days.
Visible damage? Refuse the delivery and have the driver document it. We will file the claim and ship a replacement.
Concealed damage: contact us within 2 days with photos of the packaging and item. Keep all packing materials.
Freight services (liftgate, residential, inside delivery) are the customer's responsibility to select for their location.

Damage & Freight Details

Returns

USA Lab branded products are returnable within 30 days of order date with prior authorization. Email us before sending anything back.
Solvents, chemicals, and consumables are not returnable once shipped. Custom and made-to-order items are final sale.
Unused items in original packaging carry a 15% restocking fee. Defective items ship back on us.
Items showing any signs of use, wear, contamination, or modification are not eligible for return.
Glassware damage must be reported within 3 business days of delivery for replacement or refund.

Full Return Policy

Custom & Made-to-Order Items

Customized and made-to-order products are final sale and not eligible for return under any circumstances.
This includes ductless fume hoods, configured tanks and reactors, and any item built to your specifications.
These products are manufactured specifically for your application. Confirm sizing, voltage, and configuration with our team before ordering.
Damage claim coverage still applies. Inspect on arrival and report issues within 3 business days.

Return Eligibility Details

Warranty

USA Lab products are covered against manufacturing defects for up to 3 years, depending on product line.
1 year: chillers, heaters, rotovaps, reactors, vacuum ovens, mixers, and most equipment. 2 years: UVP vacuum pumps. 3 years: scientific freeze dryers.
Wear items (glassware, gaskets, heating elements, sensors) and fittings/steel are not covered. Report defects within 30 days (3 days for glass).
Non–USA Lab brands are covered by their manufacturer's warranty. See the product's Warranty tab.

Full Warranty Policy

International Orders

Import duties, taxes, VAT, and brokerage fees are not collected by USA Lab and are the receiver's responsibility.
Verify your country's customs charges and import restrictions before ordering.
Refused or unclaimed international shipments are refunded minus shipping and a 15% restocking fee.
International orders are generally non-returnable. Damaged items must be reported within 3 business days.

International Guidelines

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Summaries above are provided for convenience. The full Policies & Warranty Info pages govern all orders and may be updated at any time.

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