Gold Member Since 2015
Audited Supplier
Ningbo Konoo Instrument MFG. Co., Ltd.

Pressure Gauge, Gauge, Steel manufacturer / supplier in China, offering Pressure Gauge, 4" Manometer Black Steel Case B with Flange, Manometer and so on.

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Pressure Gauge

FOB Price: Get Latest Price
Min. Order: 200 Pieces
Port: Ningbo, China
Production Capacity: 500000PCS/Year
Payment Terms: T/T

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Basic Info
  • Model NO.: NTB
  • Usage: For Working
  • Customized: Customized
  • Transport Package: Color Box
  • Origin: Ningbo, China
  • Certification: ISO
  • Shape: Round
  • Trademark: SJ
  • Specification: 2", 2.5",3", 4", 6", etc.
  • HS Code: 9026209000
Product Description
Accuracy class 1.6 or 2.5
General industrial service application
Black steel case; Chromed steel case; Plastic case.
Eelded back and front flange
Screw fastening case design
Over pressure up to 30% of Full Scale
Restrictor screw standard
Design scale ranges up to 600 bar

Mounting Code
L :Bottom entry
W:Bottom with back flange
B :Back entry
F :Back with front flange
Z :Back with bracket
NTB series are the quality dry gauge designed to provide reliable serice on non-corrosive and clean gaseous applications.The model are mostly used in manufacturing or processing industrial,especially for pneumatics,process, fabrication,compressed gas and common industrial application.
Technical Specification
Nominal Size

Accuracy Class
40..75mm-Class 2.5
100..250mm-Class 1.6

Ingress Protection

Connection Size
G1/8,G1/4,G1/2 or NPT or others.

Scale Range
Pressure 0..600 bar
Vacuum -1 bar..0
Compound -1..24 bar

Dry execution

Tube Element Shape
P ≤ 100 bar in C tube
P > 100 bar in helicoil

Operating Temperature
Ambient temperature -10°..+70°C
Medium temperature 70°C Max.

Temperature Error
Additional error when pressure element tmperature
deviates from reference temperature +20°C(+68°F)
be ±0.4% / 10°C(50°F) rising or falling

Over Pressure Limit
130% of F.S.P ≤ 100 bar
115% of F.S.P > 100 bar

Dial Graduation
Black graduation on white for single range
Black and red graduation on white for dual ranges
Design Material 
Casing and Bezel Ring 
Black steel (NTB series)
Chromed steel(NCB series)
Plastic(NPB series)

Sensing Element
Copper alloy


Acrylic plastic / Instrument glass

Window gasket 

Black painted aluminium

Dial Plate 
Aluminium alloy

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Mr. Joe Gu
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