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Products Showroom >> Pressure Gauges >> All Stainless Steel Pressure Gauges

 

 All Stainless Steel Pressure Gauges

 B131 series

 

 

 


Applications:

Used with all liquid and gas process media, provided that these do not corrode stainless steel, do not crystallize and are not highly viscous. The glycerin/silicon oil filled type is especially used for measuring points subject to vibration and highly dynamic pressure load. Particularly used in chemical, petrochemical, food industry, biochemistry and any rush industries.

 

Technical data:

Dial diameter Ø

1½”(40mm);2”(50mm);2½”(63mm);3”(75mm);4”(100mm);6”(150mm)

Case

Stainless steel 304, IP65

Crimp bezel for dial Ø1½”~ Ø4”; Bayonet bezel for dial Ø2½”~ Ø6”

Lens

Acrylic or glass for dial Ø1½”~ Ø4”; Safety glass for dial Ø4” and Ø6”

Dial

Aluminum, black and red markings on white background, dial arc 270o

Measuring principle

Bourdon Tube, stainless steel 316

C form tube for 70kg/cm2 ; Helical form tube for > 70kg/cm2

Movement

Stainless steel

Pointer

Aluminum, black, adjustable pointer available for dial Ø4” and Ø6”

Connection

Male thread 1/8”, 1/4”, 3/8”, 1/2”PT(BSPT)/NPT/PF(BSP), stainless steel 316

Filling

Without (dry); glycerin filled; silicon oil filled

Accuracy

±2% F.S. for Ø1½” & Ø2”; ±1.5% F.S. for Ø2½” & Ø3”; ±1% F.S. for Ø4” & Ø6”

              

 

Temperature limits 

Dry: medium +200oC; ambient -20 to + 60oC

Glycerin filled: medium +60oC; ambient + 10 to + 60oC

Silicon oil filled: medium + 100oC; ambient -45 to +60oC

oC only if the case and connection

are welded together (argon-arc welding), available for Ø2½” & Ø4” & Ø6”.>

 

Ranges

Positive 0/1 ~ 0/1000 kg/cm2

Negative 0/-76 cmHg (relative vacuum)

Compound -76cmHg/0/1 ~ -76cmHg/0/20kg/cm2

< other units available, e.g. psi, bar, MPa…etc.>

 

Options:

- Safety glass lens for dial Ø2-1/2” & Ø3”

- Blow-out disk by back for dial Ø4”

- Special male or female thread connections

- Cleanness for oxygen, acetylene, hydrogen … etc. dangerous media service

- Restrictor on connection to alleviate pressure pulsation

- Device of red pointer which can leave behind on max. pressure

- Device of diaphragm, electrical contacts or accessories