GN 743.8 Fluid Level Sight Glasses Brass, with Natural ESG Glass, BSPT or NPT Threads

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GN 743.8 Brass Fluid Level Sight Glasses, with Natural ESG Glass, BSPT or NPT Threads

Product description

Information

The conical thread of GN 743.8 fluid level sight glasses makes a metallic seal possible. When the male thread is tightened, it wedges itself within the appropriate female thread.

At the reference level "a", the male thread has the same thread diameter as the female thread, so that it can be fastened in by hand. The secure tightening by means of a tool increases the length of engagement and seals the screw connection. Additionally a sealant (fibrous or teflon band) is usually used. The thread is "roughened", so that the sealant does not shift during fastening.

GN 743.8 fluid level sight glasses can be used on pressurized oil tanks.

Specification

Sight glass body
Brass, CuZn40Pb2

Reflector
Technopolymer plastic (Polysulfon)

Temperature resistant up to 356 °F (180 °C)

Sight glass
Natural ESG glass

O-ring
FPM rubber (Viton®)
Identification by not black finish of the sealing ring


RoHS compliant

On request

EPDM O-rings

Technical drawing

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GN 743.8 Brass Fluid Level Sight Glasses, with Natural ESG Glass, BSPT or NPT Threads sketch

Part Options / Table

Type

AWith contrast screen
BWithout contrast screen
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Metric

Dimensions in: Inch (change to Metric)
d1d2
Male thread
Conical
a
Datum plane
d3
at a
d4
Female thread
Cylindrical


Conical
el1l2l3
Usable
thread length
sp
Thread
pitch
.43R 3/8.25.66Rp 3/8-.87.51.24.40.75.05
.433/8 NPT.24.67-3/8 NPT.87.59.24-.75.06
.55R 1/2.32.83Rp 1/2-1.08.67.28.52.94.07
.551/2 NPT.32.83-1/2 NPT1.08.63.28-.94.07
.71R 3/4.371.04Rp 3/4-1.22.71.31.571.06.07
.713/4 NPT.341.05-3/4 NPT1.30.71.31-1.13.07
.94R 1.411.31Rp 1-1.59.83.35.661.42.09
.941 NPT.401.33-1 NPT1.63.87.31-1.37.09
1.26R 1 1/4.501.65Rp 1 1/4-2.09.94.35.751.81.09
1.261 1/4 NPT.421.66-1 1/4 NPT2.03.91.35-1.75.09

Build & Price

Window glass d1
Thread d2
Type


Selected Part

Total USD (net)
$10.82
In stock: 0
Call / Email for Delivery Time
Please note our quantity discounts (USD).
MinMaxPrice
149$10.82
5099$9.92
100249$9.02
≥ 250$8.11
Weight: 0.041 lbs
If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351
RoHS compliant: -
This part is new in our product range, no details are available at this time. For more recent details on the RoHS compatibility, please contact our Sales Department!
Phone: 800-877-8351
All Prices are in US Dollars. Taxes Not Included.

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