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HFS 2 Oil Filled Vacuum Pressure Gauge - SS/Br 1/4 NPT Lower Mount -30HG/0

HFS 2 Oil Filled Vacuum Pressure Gauge - SS/Br 1/4 NPT Lower Mount -30HG/0

Q: The gauge reads 7 lbs of vacuum. is that normal since i haven't mounted and cut the little tab at the top. however i believe that is for the liquid ex

Hello,This can occur if the gauge goes through altitude changes during shipping. On the top of the gauge there is a black plastic nipple that needs to be cut in order to regulate the pressure inside the gauge with the outside atmosphere. There should be a sticker on the gauge next to the nipple showing how to cut it as well.Sincerely,ScottHFS

Q: Mine need refilling. Is it oil or glycerine used to damp the reading?

Usually they are filled with glycerine. Don't forget to leave a small bubble at the top for thermal expansion (or you will have leaks).

Q: What's the difference between mpt and npt?

Npt is national pipe thread, a specific taper. Mpt is male pipe thread, fit is female pipe thread.

Q: Will this work for a vacuum pump running a dairy milker?

Hello,There should be no problem with that application.Sincerely,HFS

4.0/5

Product ID: 181027541

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Details

Brand
HFS
Item dimensions L x W x H
7.9 x 7.1 x
Item Weight
0.31 Pounds
UPC
789398115458
Manufacturer
Generic

Description

HFS 2 Oil Filled Vacuum Pressure Gauge - SS/Br 1/4 NPT Lower Mount -30HG/0

Specifications

Brand	HFS
Manufacturer	Generic
Country of Origin	USA
Model number	15458
Item Weight	141 g
Product Dimensions	7.87 x 7.11 x 3.3 cm; 140.61 g
Item model number	15458
Item Height	1.3 Inches
Item Width	2.8 Inches
Are batteries included?	No

Have a Question? See What Others Asked

The gauge reads 7 lbs of vacuum. is that normal since i haven't mounted and cut the little tab at the top. however i believe that is for the liquid ex

Mine need refilling. Is it oil or glycerine used to damp the reading?

What's the difference between mpt and npt?

Will this work for a vacuum pump running a dairy milker?

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A$94

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Australiastore

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TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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The delivery time was excellent, and the packaging was secure.

2 months ago

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