Scientific Machine (SciMac) is your source for High-Quality PTFE laboratory products

Stainless Steel Flasks & Lids

SciMac Stainless steel flasks are designed to be durable, corrosive resistance, hygienic and provide a long-term value. SciMac produces Reaction Flasks from the best quality 316L stainless steel. The flange on our 316 Stainless steel flasks is compatible with standard Laboratory glassware from major manufactures enabling users an alternative to glass, available with a PTFE encapsulated O-Ring or PTFE gasket for complete vacuum performance. Our New 4130-4131 series flasks have 2⁰ angled sides and are constructed from a one piece body providing greater integrity on the interior surface. All our flasks have a highly polished smooth interior that prevents contamination of the flask contents and resistance to surface residue. Our stainless steel flasks are found in a broad range of chemical, pharmaceutical, food, fragrance, petrochemical and biotech research, control and development laboratories. Call our customer service department to inquire about jacketed Reaction Flasks or bottom outlet reaction flasks. Scientific Machine can customize any size reaction Flask or vessel to your exact specifications.

- Ultra smooth interior surface
- Rugged Stainless Steel Flasks
- Corrosive resistance 316L SS
- Use with standard Glas-Col Heating mantels
- Neck Opening matches Corning Flask Heads
- Custom Reaction Flasks and Flask heads Available

Custom Stainless Steel Reaction Flasks are also available in virtually any size required, call us for any specifications you may require whether you need a custom 30,000 Liter jacketed Reaction Flasks or 500mL round bottom you will find SciMac has stock on hand and competitive pricing as well as discount pricing at all quantity levels. For more information Contact us (link to Contact us page) or see the Custom fabrication page, PTFE machining (link to Custom fabrication) our technical staff will be happy to assist you in fabrication of your custom PTFE part.

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  • 4020 - Stainless Steel Reaction Flask Head

    The 4020 series reaction flask heads are fabricated from 18-8, type 316L stainless steel. Each flask head has been heliarc welded and has a highly polished interior surface to provide maximum resistance against corrosion and contamination. Flask Heads fit our standard 108mm X 138mm flange flask. Series 4020 Flask Lids have three outer joints of various sizes in line. Heads can be made with up to 5 joints. Threaded NPT connectors can also be added. Custom Flask Heads available, Call us for any special joint configuration or specific requirements.

    Starting at: $1,874.64

  • 4025 - Stainless Steel Reaction Flask Head with CAPFE O-Ring Groove

    The 4025 Stainless steel Flask have a 108mm X 136mm heliarc welded flange with O-Ring groove that will accept a CAPFE® (PTFE encapsulated silicone rubber) O-ring. Each flask head has been heliarc welded and has a highly polished interior surface to provide maximum resistance against corrosion and contamination. Flask Heads fit our standard 108mm X 136mm flange flask. Series 4025 Flask Lids have three outer joints of various sizes in line. Heads can be made with up to 5 joints, Threaded NPT connectors can also be added. Flask head supplied with CAPFE® O-ring, additional O-rings can be ordered SciMac PN 6500-40. Custom Flask Heads available, Call us for any special joint configuration or specific requirements.

    Starting at: $1,981.77

  • 4130 - 316 Stainless Steel Reaction Vessel with flat Flange

    Our New 4130 series Stainless steel flasks have 2⁰ angled sides and are constructed from a one piece body providing greater integrity on the interior surface. The 2⁰ angled sides prevent the possibility of trapping congealed substances. The 4130 series reaction flasks are fabricated from 18-8, type 316L stainless steel. Each flask has a heliarc welded flange and has a highly polished finish on the interior to provide maximum resistance against corrosion and contamination. Use with our 401 ribbed Teflon gasket for superior vacuum capability. The 108mm X 136.5mm flange can be used with our 4030 Stainless steel reaction lids or 4080 Teflon lids with interchangeable standard taper joints and thermometer adapters. We can also fabricate custom reaction vessels to meet your specific needs.

    Starting at: $892.50

  • 4131- 316 SS Cylindrical Reaction Vessel, flat Flange with O-Ring Groove

    The 4131 series Stainless steel Reaction Flasks have a 108mm X 136.5mm heliarc welded flat flange with O-Ring groove that will accept a CAPFE® (PTFE encapsulated silicone rubber) O-ring, fabricated from 18-8, type 316L stainless steel. Each flask has a highly polished finish on the interior to provide maximum resistance against corrosion and contamination. The 108mm X 136.5mm flange can be used with our 4025 Stainless steel reaction lids or 4080 Teflon lids with interchangeable standard taper joints and thermometer adapters. We can also fabricate custom reaction vessels to meet your specific needs.

    Starting at: $966.00

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