GN 743.7 Fluid Level Sight Glasses Brass, with Natural Float Glass, BSPT or NPT Threads

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Product description

Information

The conical thread of GN 743.7 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 743.7 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 212 °F (100 °C)

Sight glass
Natural float glass

O-ring
NBR rubber (Perbunan)


RoHS compliant

On request

EPDM O-rings

Technical drawing

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GN 743.7 Brass Fluid Level Sight Glasses, with Natural Float 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)
$10.33
In stock: 11
In stock
Please note our quantity discounts (USD).
MinMaxPrice
149$10.33
5099$9.47
100249$8.61
≥ 250$7.74
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: Yes
This article conforms to RoHS, which means it complies with EU Directive 2011/65/EU for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
All Prices are in US Dollars. Taxes Not Included.

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