Đại lý Tema Vasconi tại Việt Nam

 MB800 serie | Đồng hồ đo áp suất Tema Vasconi

MB 801 | MB 802 | MB 804 | MB 805 | MB 807 | MB 808 | MB 810

The pressure gauges series MB800, with or without filling fluid, may be installed on every chemical, petrochemicalplants, onshore and offshore applications and machinery, foodand pharmaceutical industry.  Construction according to EN 837-1.

TECHNICAL CHARACTERISTICS

Diameters: 63-80-100-125-150-200 mm

Case and ring: st. st. 304, bayonet type ring

Protection degree : IP55/IP65 (EN60529/IEC529)

Transparent: glass, thickness 4mm, gasket in neoprene

Movement: st. st., reinforced 

Dial: aluminium with black numerals on white background 

Pointer: Aluminium, black painted, micrometric adjustable

Blow out: neoprene, upper 

Sensing element: Bourdon tube type, with “C” form for pressure 

≤60bar, helical wound for pressure ≥ 60bar

Element material : AISI 316L , MONEL 400

Socket material: AISI 316L , MONEL 400

Welding: T.I.G.

Connection dimension: ½”NPTM or BSP/M  (1/4” for DN63)

Mounting:

• direct, lower connection type 801 
• direct, central rear connection type 802 
• direct, eccentric rear connection type 804
• wall, rear flange lower connection type 805 
• panel front flange eccentric rear connection type 807
• panel ,front flange central rear connection type 808
• panel, “U” bracket, eccentric rear connection type 810 

Ranges: see table at page 2

Overpressure: +30% F.S. for range up to 60bar . +15% F.S. for ranges from 100 to 600bar.+10% F.S .for ranges from 1000bar

Accuracy: class 1, acc. to EN837 (class 1,6 for DN63) at 20°C

Ambient temperature limit: -30/+60°C

Fluid temperature limit:  -30/+120°C element in AISI316L -30/+230°C element in MONEL

Temperature error: 0,035%/°C in range 0/60°C

Construction  acc. to ATEX directive 94/9/EC , gr.II cat. 2GDc (on request)

Construction according to PED directive 97/23/EC (on request) 

OPTIONS AND ACCESSORIES 

• Sovrapressione 100% A.C.
• Precisione 0,5%  
• Cassa in AISI316
• Esecuzione tropicalizzata
• Scala speciale
• Trasparente in Acrilico con indice di max azzerabile daTrasparente in vetro di sicurezza sp.4 mm
• Riempimento con glicerina al 90% per T.amb.0÷65°C
• Riempimento con glicerina al 98% per T.amb.-15÷65°C
• Riempimento con olio al silicone per T.amb.-45÷65°C
• Riempimento con fluidi fluorurati per impiego su ossi
• per temperature ambiente -60÷60°C
• Sgrassaggio per servizio su ossigeno
• Smorzatore interno (vite di strozzatura sull’attacco)
• Montaggio separatore di processo diretto / remoto  
• Contatti elettrici (vedi prospetti relativi)
• Micro contatti (vedi prospetto relativo)
• Smorzatore di pulsazioni , limitatore di pressione ester sifoni di raffreddamento, valvola portamanometro 
• Overpressure  100% A.C.
• Accuracy 0,5% 
• Case st. st. 316
• Tropical version 
• Special scale
• Acrylic window with max value pointer settable from front 
• Safety glass type thickness .4 mm
• Glycerine filling at 90% for T.amb.0 ÷65°C
• Glycerine filling at 98% for T.amb.-15 ÷65°C
• Silicon oil filling for T.amb.-45 ÷65°C
• Filling with fluorinated oil suitable for use on Oxygen and for  ambient temperature -60 ÷60°C 
• Degreasing for use on Oxygen 
• Internal dampener (screw on the connection)
• Mounting of chemical seal direct / remote  
• Electrical contacs (see relative leaflets)
• Microswitches (see relative leaflets)
• Pulsation dampener , Exthernal overpressure protector, Pig-tail syphon , Valves