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Stopcocks - High Vaccum


Magna SGI – Scientific Glass Industries - one of the south India’s technically advanced & highly rated manufacturers of laboratory glassware offers a comprehensive range of Laboratory High Vaccum Stopcocks.

High Vaccum Stopcocks, Straight Through, Borosilicate Glass, Glass Key, Magna SGI- WITH Key Retaining Device
Item Size mm
SG1/2 2
SG1/4 4
High Vaccum Stopcocks, Straight Through, Borosilicate Glass, Glass Key, Magna SGI - WITHOUT Key Retaining Device
Item Size mm
SG2/2 2
SG2/4 4
High Vaccum Stopcocks, Double Oblique, Borosilicate Glass, Glass Key, SGL Brand
Item Size mm
SGD1/2 2
SGD1/4 4
  • High vaccum stop cock is an inert valve for vaccum applications with variable opening from 0-3 mm to 0-10 mm. An ultimate vaccum of better 10-6 torr can be realized with standard silicone 'O' rings. By baking out the system and 'O' rings, an ultra high vaccum down to 10-9 torr can be attained when Viton 'O' rings are used. Two 'O' rings form the sliding seal and another 'O' ring makes a positive closure against a precision formed glass seat. The shaft is non-rotating and never needs lubrication.
  • High vaccum stop cocks feature a solid PTFE stem and glass filled PTFE threads and handle for dimensional stability and reduced expansion when heated. The barrel is borosilicate glass.

ANGLED HIGH VACCUM STOPCOCK

"Magna" Angled high vaccum stopcock

Angled high vaccum stopcock borosilicate glass 3.3, PTFE-needle, bore: 2 mm, length: 210 mm

"Magna" Angled high vaccum stopcock

Angled high vaccum stopcock with PTFE-needle valve, length: 210 mm, bore: 3 mm, borosilicate glass 3.3

"Magna" Angled high vaccum stopcock

Angled high vaccum stopcock with PTFE-needle valve, red, over twist safety device, bore: 6 mm, 210 x 10 mm, borosilicate glass 3.3

"Magna" Angled high vaccum stopcock

Angled high vaccum stopcock with PTFE-needle valve, length: 225 mm, bore: 10 mm, borosilicate glass 3.3

"Magna" Angled high vaccum stopcock

Angled high vaccum stopcock with PTFE-needle valve, over twist safety device, bore: 12 mm, 225 x 15 mm

"Magna" Angled high vaccum stopcock

Angled high vaccum stopcock with PTFE-needle valve, PTFE-seal, over twist safety device, bore: 14 mm, 225 x 18 mm

"Magna" Angled high vaccum stopcock

Vaccum stopcock with needle valve and O-ring seal

Vaccum stopcock with needle valve and O-ring seal

Angled vaccum stopcock with PTFE needle valve and PTFE-coated O-ring seal, bore: 0 - 6 mm

High vaccum valve right angle

High vaccum valve, right angle, valve plug made of PTFE, bore: 3 mm, side arms-Ø: 8 mm, length: 75 mm, GL 14, borosilicate glass 3.3

High vaccum valve right angle

High vaccum valve, right angle, valve plug made of PTFE, bore: 6 mm, side arms-Ø: 10 mm, length: 75 mm, GL 18, borosilicate glass 3.3

High vaccum valve right angle

High vaccum valve, right angle, valve plug made of PTFE, bore: 10 mm, side arms-Ø: 18 mm, length: 85 mm, GL 24, borosilicate glass 3.3

High vaccum valve right angle

High vaccum valve, right angle, valve plug made of PTFE, bore: 15 mm, side arms-Ø: 20 mm, length: 85 mm, GL 24, borosilicate glass 3.3

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