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GN743.7 Oil Level Sight Glasses Brass Float Conical Thread metallic seal pressurised tank

Standard Machine Elements > Oil Level Sight Glasses, Level Indicators & Plugs > Oil Level Sight Glasses
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GN743.7 Oil Level Sight Glass, Conical Thread, Brass & Float Glass

 

 

Type A - with contrast screen

Type B - without contrast screen

Select Values to Buy:

Tech Spec:

 

GN743.7 Oil Level Sight Glass, Brass Float Glass, Conical Thread

The conical thread of the oil level sight glasses GN743.7 makes a metallic seal possible. When tightening the conical male thread R it blocks itself with the appropriate cylindrical female thread Rp.

With the datum plane a the R male thread has the same thread diameter as the Rp female thread, so that it can be screwed in by hand. Stronger tightening using a tool increases the length of engagement and seals the screw connection.

Additionally a sealant (hemp or teflon band) is usually used. The R thread is roughened, so that the sealant does not shift when screwing in.

Oil level sight glasses GN743.7 can be used on pressurised tanks. Pressure and vacuum pressure test data is available.

Specification

Body - Brass, CuZn40Pb2

Contrast screen - Technoploymer (Polysulfon), temperature resistant up to 100 °C

Sight glass - float-glass

O-rings - rubber, NBR (Perbunan)

An EPDM seal is also available on request.

RoHS compliant

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Usable Thread
Length
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Thread
Pitch
Mass
 
GN743.7-11-R3/8-A11R3/8A6.416.7Rp3/8~2213610.1191.340.019
GN743.7-11-R3/8-B11R3/8B6.416.7Rp3/8~2213610.1191.340.02
GN743.7-11-3/8NPT-A113/8NPTA6.117.1~3/8NPT22156~19.11.410.019
GN743.7-11-3/8NPT-B113/8NPTB6.117.1~3/8NPT22156~19.11.410.2
GN743.7-14-R1/2-A14R1/2A8.221Rp1/2~27.517713.2241.810.04
GN743.7-14-R1/2-B14R1/2B8.221Rp1/2~27.517713.2241.810.033
GN743.7-14-1/2NPT-A141/2NPTA8.121.2~1/2NPT27.5167~23.81.810.031
GN743.7-14-1/2NPT-B141/2NPTB8.121.2~1/2NPT27.5167~23.81.810.034
GN743.7-18-R3/4-A18R3/4A9.526.4Rp3/4~3118814.5271.810.05
GN743.7-18-R3/4-B18R3/4B9.526.4Rp3/4~3118814.5271.810.049
GN743.7-18-3/4NPT-A183/4NPTA8.626.6~3/4NPT33188~28.61.810.055
GN743.7-18-3/4NPT-B183/4NPTB8.626.6~3/4NPT33188~28.61.810.06
GN743.7-24-R1-A24R1A10.433.2Rp1~40.521916.8362.30.098
GN743.7-24-R1-B24R1B10.433.2Rp1~40.521916.8362.30.091
GN743.7-24-1NPT-A241NPTA10.233.7~1NPT41.5228~34.92.210.073
GN743.7-24-1NPT-B241NPTB10.233.7~1NPT41.5228~34.92.210.07
GN743.7-32-R11/4-A32R11/4A12.742Rp11/4~5324919.1462.30.149
GN743.7-32-R11/4-B32R11/4B12.742Rp11/4~5324919.1462.30.14
GN743.7-32-11/4NPT-A3211/4NPTA10.742.2~11/4NPT51.5239~44.52.210.135
GN743.7-32-11/4NPT-B3211/4NPTB10.742.2~11/4NPT51.5239~44.52.210.133
#4670.116~4673.225#

 


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