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High-pressure laboratory autoclaves model IV Special accessories for temperature measurement

From  Carl ROTH


500 ml/100 barModel IV is the largest autoclave in the ROTH range. It is an enhanced version of the original from which all other models were developed. Model IV consists of a stainless steel beaker with flange. The solid stainless steel lid is screwed onto the flange using eight screws.The autoclave head is intended for a large busting disc as standard. It thus provides enhanced operational safety in the case of spontaneous gas development and a quick increase in pressure.The enlarged autoclave head is screwed directly onto the cylindrical autoclave beaker. It contains the bursting disc holder at the top and three threaded openings at the side. For connections with: valves, reducers for pressure gauges and temperature sensors or bursting disc safety device ll (when using the magnetic stirrer head).Threaded openings can be closed with screw stoppers. Sealed with PTFE gaskets (max. 180 °C) or with pure silver gaskets (max. 300 °C).The beaker and head combination consists of 8 hexagon bolts and nuts for simple assembly.Depending on the scope of the autoclave system, delivery times may apply!
Product details

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Art. No. 331077

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Product details


500 ml/100 barModel IV is the largest autoclave in the ROTH range. It is an enhanced version of the original from which all other models were developed. Model IV consists of a stainless steel beaker with flange. The solid stainless steel lid is screwed onto the flange using eight screws.The autoclave head is intended for a large busting disc as standard. It thus provides enhanced operational safety in the case of spontaneous gas development and a quick increase in pressure.The enlarged autoclave head is screwed directly onto the cylindrical autoclave beaker. It contains the bursting disc holder at the top and three threaded openings at the side. For connections with: valves, reducers for pressure gauges and temperature sensors or bursting disc safety device ll (when using the magnetic stirrer head).Threaded openings can be closed with screw stoppers. Sealed with PTFE gaskets (max. 180 °C) or with pure silver gaskets (max. 300 °C).The beaker and head combination consists of 8 hexagon bolts and nuts for simple assembly.Depending on the scope of the autoclave system, delivery times may apply!


Autoclave head II
Material V4A stainless steel (1.4571)
Outside Ø 64 mm, top head opening for bursting disc 28.100 or Magnetic stirrer head MRK 10
Three lateral connection openings in the head G1/4″ for valve, reducer for pressure gauge and temperature sensor or bursting disc safety device II for use with magnetic stirrer head MRK 10


High-pressure laboratory autoclaves model IV Special accessories for temperature measurement 

High-pressure laboratory autoclaves model IV Special accessories for temperature measurement
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General information

OVERVIEWHigh-pressure laboratory autoclaves from ROTH

Model 0 Model I Model II Model IV
Max. working volume (ml) 50 100 200 300 250 500
Max. working pressure (bar) 100 100 100 100 200 100
Heating mantle none 10 S 20 S 30 S 30 S 50 S
Sampling possible no no yes yes
Stirrer connection possible no no yes yes
Temp. measurement in autoclave possible no no yes yes

Attention

Due to the shape of the screw thread, cold setting of cylinder and head is possible when screwing these on. This usually leads to them sticking when opening and the thread breaking as a result.The conducted reaction necessitates coating the thread with a release agent such as PTFE spray (Art. No. K007.1).Warning: Do not use PTFE screw thread tape!


Advice for working with silver gaskets

When working with silver gaskets, it is essential to tighten the screw threads very tightly to achieve the necessary seat. We therefore recommend annealing the silver gaskets at +850 °C before use - the gaskets remain softer and more pliable, even when cool, and seal more efficiently.