Đồng Hồ Đo Áp Lực | Bdt20 – Solid Front Pressure Gauge | Badotherm | Pitesco Vn

Badotherm  pressure  gauge  model  BDT20  is  the  solid  front,  safety  pattern

gauge according the highest class of the EN 837-1 / 9.7.2 and ANSI B 40.1.

The BDT20 stainless steel safety gauge has a solid front baffle wall and a full

blow-out back. This pressure gauge is typically  used for applications in the

chemical, petro-chemical, and oil & gas industry or anywhere where safety

comes first. These gauges are designed to withstand the severest of operat-

ing conditions created by the ambient environment and the process medium.

DESIGN INFORMATION

DESIGN NORM

SAFETY DESIGNATION

INGRESS PROTECTION

EN 837-1

S3 as per EN837-2

IP67 per IEC 60529

STANDARD MODEL MATERIAL SPECIFICATIONS

PROCESS CONNECTION

TUBE

CASE

BEZEL

AISI316(L)

AISI316

AISI304, bayonet

AISI304, bayonet

MOVEMENT

WINDOW

POINTER

DIAL

stainless steel

laminated safety glass

aluminium, black

aluminium, white with black markings

TECHNICAL SPECIFICATIONS

Connection

1/4" BSP/NPT

1/2" BSP/NPT

1/2" BSP/NPT

Minimum range

-1 bar

-1 bar

-1 bar

Maximum range¹

1000 bar

1600 bar

1600 bar

Accuracy

1.6% FSV

1.0% FSV

1.0% FSV

Pointer

fixed

adjustable slotted

adjustable slotted

Mounting variations

A / D / E

A / C / D / E

A / C

Free zero

•

•

•

Internal limit stop

Min/Max

Min/Max

Min/Max

Connection construction

welded

welded

welded

Solid front, full blow out

on the back

on the back

on the back

Compensation plug material²

NBR

NBR

NBR

Window gasket

NBR

NBR

NBR

PED (CE marking >200 bar)

•

•

•

¹ Maximum range ½” NPT is 1000 bar according EN-837 table 10

² HNBR for filled executions

SPECIAL EXECUTIONS

BDT20-S

casing and bezel AISI316(L)

BDT20-M

process connection and pressure element in Monel 400, casing and bezel in AISI316

(not available in 160mm D; up to 1000 bar) – suitable acc. ISO15156 / NACE MR01-75

BDT20-T

0.5%

OPTIONS

PROCESS CONNECTION

other

RESTRICTOR SCREW

AISI316(L), Monel 400

POINTER

micro adjustable (100 and 160 mm only)

FILLING

BPF01 (glycerine), BPF02 (silicon), BPF03 (for contacts), BPF04 (foaming service), BPF05 (ECTFE Inert for

oxygen service)

CLEANING

for oxygen service, or oil and grease free (in case of filling use BPF05)

CALIBRATION CERTIFICATES

5 points (rising and falling), 10 points (BDT20-T)

CONTACT

inductive / magnetic / electric (use BPF03 filling in case of liquid filling)

ATEX

EX II 2 GD c (ATEX 94/9/EC)

ACCESSORIES

please check for matching accessories such as siphons (BDT42), snubbers (BDT45), swivel gauges

(BDT47), overpressure protectors (BDT49), diaphragm seals and instrument needle valves and manifolds

WORKING PRESSURE

63 mm

100 mm

160 mm

steady

0.75 x full scale value

full scale value

full scale value

fluctuating

0.67 x full scale value

0.9 x full scale value

0.9 x full scale value

short time

full scale value

1.3 x full scale value

1.3 x full scale value