Description

USA Lab High Pressure Tri-Clamp Sight Glass 1.5", 2", 3" - 350 PSI

USA Lab High Pressure Tri-Clamp Sight Glasses provide a convenient way to view product and process conditions inside a tank without exposing the internal environment to the outside. They are ideal for monitoring fermentation, extraction, and other tank processes where visual inspection is important.

These high pressure sight glasses are constructed from high quality 304 stainless steel and feature Buna-N and PTFE gaskets for the top and bottom sealing surfaces. With a pressure rating of 350 PSI, they are designed for demanding tank applications requiring high pressure process visibility.

Each sight glass can be disassembled for easy cleaning and inspection. Available in 1.5", 2", and 3" Tri-Clamp sizes, these sight glasses provide flexible installation options for compatible sanitary tank and process systems. An appropriately sized spanner wrench is required to open and close the sight glass.

350 PSI Rated 304 Stainless Steel PTFE & Buna-N Gaskets 1.5", 2" & 3" Tri-Clamp

High Pressure Rating: Rated to 350 PSI — supports high pressure tank and process applications.

Durable Construction: 304 stainless steel body with PTFE and Buna-N gaskets — provides a robust sight glass assembly for process environments.

Easy Inspection: Disassembles for cleaning and inspection — helps simplify routine maintenance and process equipment care.

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 High Pressure Tri-Clamp Sight Glass?

High pressure visibility — provides a way to view product and process conditions inside a tank without exposing the internal tank environment.
304 stainless steel construction — offers a durable body material for demanding tank and process applications.
PTFE and Buna-N gaskets — provides dedicated top and bottom gasket materials for sealing the sight glass assembly.
350 PSI rating — supports high pressure applications where process visibility is required.
Serviceable design — comes apart for easy cleaning and inspection, helping simplify routine maintenance.

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Technical Specifications

Specification	Details
Product Name	USA Lab High Pressure Tri-Clamp Sight Glass
Product Type	High Pressure Sight Glass
Body Material	304 Stainless Steel
Pressure Rating	350 PSI
Top Gasket Material	PTFE
Bottom Gasket Material	Buna-N
Connection Type	Tri-Clamp
Available Sizes	1.5", 2", 3"
1.5 Inch Model	HPSG-TC15
1.5 Inch Dimensions	3" x 3" x 2"
1.5 Inch Weight	806 g / 1 lb 12.4 oz
2 Inch Model	HPSG-TC2
2 Inch Dimensions	3.5" x 3.5" x 2"
2 Inch Weight	1006 g / 2 lb 3.5 oz
3 Inch Model	HPSG-TC3
3 Inch Dimensions	4.5" x 4.5" x 2.5"
3 Inch Weight	1832 g / 4 lb 0.7 oz
Cleaning & Inspection	Disassembles for Easy Cleaning and Inspection
Required Tool	Appropriately Sized Spanner Wrench

Popular Industries & Use Cases

Extraction Processes Pharmaceutical Processing Chemical Processing Fermentation & Laboratory Processes

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Custom Solutions

Tailored equipment and integration help.

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FAQ

What is the pressure rating of the USA Lab High Pressure Tri-Clamp Sight Glass?

The USA Lab High Pressure Tri-Clamp Sight Glass is rated for pressures up to 350 PSI.

What materials are used in the USA Lab High Pressure Tri-Clamp Sight Glass?

The sight glass body is made from 304 stainless steel and uses PTFE for the top gasket and Buna-N for the bottom gasket.

What sizes are available for the USA Lab High Pressure Tri-Clamp Sight Glass?

The USA Lab High Pressure Tri-Clamp Sight Glass is available in 1.5", 2", and 3" Tri-Clamp sizes, with model numbers HPSG-TC15, HPSG-TC2, and HPSG-TC3 respectively.

Can the USA Lab High Pressure Tri-Clamp Sight Glass be opened for cleaning?

Yes. Each 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:	Buna-N
PSI Rating:	350PSI
Body Material:	SS304
HPSG-TC15 1.5":	3" x 3" x 2" \| 806G / 1lb 12.4oz
HPSG-TC2 2":	3.5" x 3.5" x 2" \| 1006G / 2lb 3.5oz
HPSG-TC3 3":	4.5" x 4.5" x 2.5" \| 1832G / 4lb 0.7oz
Warranty Term:	1 Year
Lead Time:	1–3 Days
Return Window:	30 days

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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USA Lab High Pressure Triclamp Sight Glass 1.5", 2", 3" - 350PSI

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