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USA Lab JR Series Reflux to Receiving Flask Valve
USA LabJRSRRRFVSale $230.00RetailThe USA Lab Reflux to Receiving Flask Valve is meant to connect the Reflux Flask arm to the Receiving flask. Both joints on the valve are a 35mm Male Ball Joint. -
USA Lab JR Series Receiving Flask - 10L, 20L, 50L, 100L
USA LabSale $200.00 - $250.00RetailThe USA Lab JR Series Material Flask has two size options. These flasks have specific connections for the USA Lab modeled reactors. -
USA Lab JR Series Reflux Flask Arm - 5L, 10L, 20L , 50L & 100L
Sale $130.00 - $230.00RetailThe USA Lab JR Series Reflux Flask with Side Arm is specifically made for the USA Lab Reactors. The size of the flask arm may vary depending on the reactor. -
USA Lab JR Series Replacement Glass Vessel
USA LabSale $750.00 - $2,500.00RetailThis JR Series Laboratory High Pressure Glass Vessel is specifically fit and replacement parts for USA Lab JR Non ETL & ETL Reactors. Maximum jacket pressure 29 psi.
Description
This product is a replacement part for the Jacketed Reactor Material Flask Series.
The 1L borosilicate flask is for the 5L Reactor - 2L is for the 10L Reactor - 5L flask fits the 20L, 50L, and 100L Reactors.
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JR MATERIAL FLASK Specifications |
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Capacity |
500ML |
1L |
5L |
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Top Connection |
24/40 Female |
29/32 Female |
2x 29/32 1x 34/36 Female |
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Bottom Connection |
24/40 Male |
40/38 Male |
S50/20 Male |
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Reactor Size |
5L |
10L |
20L, 50L, 100L |
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Dimensions LxWxH |
5" x 3" x 17" |
4" x 2" x 17" |
7" x 7" x 21" |
For Technical Support, Questions, or Other Issues Please Email or Call Us!

Specifications
Brand: |
USA Lab |
Glass type: |
Borosilicate |
1L: |
5L Reactor |
2L: |
10L Reactor |
5L: |
20L, 50L & 100L Reactor |
Warranty
Glassware does NOT carry any warranty. Glassware items with a defect or other issue must be identified within 3 days of arrival and USA Lab MUST be contacted. After 3 days, there will be no replacements sent for glassware items with a defect or issue.
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.
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.
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.
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.
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.
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.
Questions before you order?
Real people in Livonia, MI. Fast answers, Monday through Friday.
Summaries above are provided for convenience. The full Policies & Warranty Info pages govern all orders and may be updated at any time.