Kobata Bourdon Tube Pressure Gauge

Bourdon tube pressure gauges use a flattened metal tube as the pressure receiving element, and transmit its elastic deformation (movement) to a pointer. They are easy to use due to their simple structure. They can also measure a wide range of pressures, and are used in various industrial fields.

Features

– Easy to read pressure indication and easy to handle.
– Wide pressure measurement range and can be used in cases where corrosion resistance is required.

*When selecting a pressure gauge, please choose a product with various specifications so that it can fully demonstrate its performance according to the application. Select a pressure range so that the normal operating pressure is within the range of 30 to 65% of the pressure range. Also, please make sure that the material of the liquid-contacting parts is suitable for the gas or liquid to be measured.

*If you are using it for oxygen, please specify that it is oil-free.If you
are using it for acetylene, please specify that it is for corrosion-resistant use and that it is oil-free.

Bourdon tube pressure gauge size (outer diameter of scale plate) (SIZE)

Item (HEAD)	Division	CLASS	Mark
External Shape (FORM)	WITHOUT FLANGE		A
	Round flange		B
	FRONT FLANGE		B2
	(CUT FLANGE)		(C)
	Recessed type (BACK FLANGE MOUNT)		D
	WITHOUT FLANGE MOUNT		D2
	BACK FLANGE SCREWED		D3
	WITHOUT FLANGE SCREWED		D4
Applications (USES)	Normal form (ORDINALY TYPE)	0.6 Class (CLASS)	0.6 or CL 0.6
		1.0 Class (CLASS)	1.0 or CL 1.0
		1.6 Class (CLASS)	1.6 or CL 1.6
		2.5 Class (CLASS)	2.5 or CL 2.5
		4.0 Class	4.0 or CL 4.0
	For steam (STEAM PROOF)	1.6 Class (CLASS)	M
	Heat resistant type (HEAT PROOF)		H
	Vibration proof		V
	Steam & Vibration Proof		Music Video
	Heat & Vibration Proof		HV
Connection shape (FORM OF STEM)	SQUARE		T
	HEXAGONAL		S
	BOTH SIDE CUT		U

Bourdon tube pressure gauge type and classification (SPECIFICATION)

HEAD/SIZE		50	60	75	100	150	200
Pressure gauge		○	○	○	○	○	○
VACUUM GAUGE		–	○	○	○	○	○
Compound gauge		–	○	○	○	○	○
WITHOUT FLANGE	A	○	○	○	○	○	–
Round flange	B	–	○	○	○	○	○
(CUT FLANGE)	(C)	–	–	○	○	○	–
Recessed type (BACK FLANGE MOUNT)	D	–	○	○	○	○	○
WITHOUT FLANGE MOUNT	D2	–	○	○	○	–	–
BACK FLANGE SCREWED	D3	○	–	–	–	–	–
Without flange screwed	D4	○	–	–	–	–	–
Normal form (ORDINARY TYPE)	0.6 Class (CLASS)	–	–	–	–	○	○
	1.0 Class (CLASS)	–	–	–	○	○	○
	1.6 Class (CLASS)	–	–	○	○	○	○
	2.5 Class (CLASS)	○	○	○	○	○	○
	4.0 Class	○	○	–	–	–	–
For steam (STEAM PROOF)		–	○	○	○	○	○
Heat resistant type (HEAT PROOF)		–	–	–	○	○	–
Vibration proof		–	○	○	○	○	–
Steam & Vibration Proof		–	○	○	○	○	–
Heat and vibration proof		–	–	–	○	○	–
Connection shape (FORM OF STEM)	Square	○	○	○	○	–	–
	HEXAGONAL	–	–	–	○	○	○
	BOTH SIDE CUT	–	○	○	○	○	○

Bourdon tube pressure gauge type and classification (SPECIFICATION)

Pressure gauge (PRESSURE GAUGE) Unit (UNIT) MPa

RANGE	CLASS	0.6	1.0		1.6				2.5				4.0
	SIZE	200	150	200	75	100	150	200	50	60	75	100	50	60
	DIVISION	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV
0 to 250		–	–	–	–	–	50	50	–	–	–	–	–	–
0 to 160		–	80	80	–	32	32	32	–	–	–	32	–	–
0 to 100		100	50	50	50	50	50	50	–	20	20	50	–	–
0–60		120	60	60	–	60	60	60	–	30	30	30	–	–
0–40		–	80	80	40	40	40	40	–	20	20	40	–	–
0–25		125	50	50	50	50	50	50	twenty five	twenty five	twenty five	twenty five	–	–
0–16		–	80	80	32	32	32	32	32	32	32	32	16	16
0 to 10		100	50	50	50	50	50	50	20	20	20	50	20	20
0 to 6		120	60	60	–	60	60	60	30	30	30	30	12	12
0–4		–	80	80	40	40	40	40	20	20	20	40	20	20
0–2.5		125	50	50	50	50	50	50	twenty five	twenty five	twenty five	twenty five	twenty five	twenty five
0–1.6		–	80	80	32	32	32	32	32	32	32	32	16	16
0–1		100	50	50	50	50	50	50	20	20	20	50	20	20
0–0.6		120	60	60	–	60	60	60	30	30	30	30	12	12
0–0.4		–	80	80	40	40	40	40	20	20	20	40	20	20
0–0.25		125	50	50	50	50	50	50	twenty five	twenty five	twenty five	twenty five	twenty five	twenty five
0–0.16		–	80	80	32	32	32	32	32	32	32	32	16	16
0–0.1		100	50	50	–	50	50	50	20	20	20	50	20	20
0–0.06		–	–	–	–	60	60	–	–	–	30	30	–	–
0–0.04		–	–	–	–	40	40	–	–	–	40	40	–	–

VACUUM GAUGE

RANGE	CLASS	0.6	1.0		1.6				2.5			4.0
	SIZE	200	150	200	75	100	150	200	50	60	75	100	50	60
	DIVISION	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV
0 to -0.1MPa		100	50	50	–	50	50	50	20	20	20	50	20	20

Compound gauge (COMPOUND GAUGE) UNIT is MPa

RANGE	CLASS	1.6			2.5			4.0
	SIZE	100	150	200	60	75	100	50	60
	DIVISION	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV
2.5 to -0.1 MPa		52	52	52	26	26	26	26	26
1.6～-0.1MPa		34	34	34	34	34	34	16	16
1 to -0.1MPa		55	55	55	twenty two	twenty two	twenty two	20	20
0.6～-0.1MPa		–	70	70	35	35	35	12	12
0.4～-0.1MPa		50	50	50	twenty five	twenty five	twenty five	20	20
0.25 to -0.1 MPa		–	70	70	35	35	35	twenty five	twenty five
0.16 to -0.1 MPa		52	52	52	34	34	34	16	16
0.1 to -0.1MPa		–	100	100	40	40	–	20	20

Japan, Kobata

Features

Bourdon tube pressure gauge size (outer diameter of scale plate) (SIZE)

Bourdon tube pressure gauge type and classification (SPECIFICATION)

Bourdon tube pressure gauge type and classification (SPECIFICATION)

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