Diaphragm seal MD 21 Compact version

SAL 15910 15920 15930 15940 15950 object_image_47826imagemain_en

Data sheet Diaphragm seal MD 21 Compact version

Benefits

Robust, compact stainless steel design
Ideal for waste water, suspensions and corrosive media
Suitable for high pressure ranges

Application

For mounting to Bourdon tube pressure gauges, pressure transducers or pressure switches. For corrosive, hot and polluted media at high pressures. Specially suitable for mechanical engineering and chemical industry applications.

Versions

DIN 3852 type A

Process connection	Instrument connection	Nominal pressure	Minimum range* (in bar) at nominal size					Part no.	Remember
	Instrument connection	Nominal pressure	63	100	160	DMU	DMU 13 Vario	Part no.	Remember
G½B	Welded connection	PN 600	6 bar	6 bar	–	1 bar		31415W
G¾B	Welded connection	PN 1000	4 bar	4 bar	4 bar	1 bar		31416W
G1B	Welded connection	PN 1000	4 bar	4 bar	4 bar	1 bar	4 bar	31328W
G1½B	Welded connection	PN 600	0.6 bar	1.6 bar	1.6 bar	0.6 bar	1.6 bar	31329W
G2B	Welded connection	PN 600	0.6 bar	0.6 bar	0.6 bar	0.6 bar	0.6 bar	31330W

Blue part no. = in-stock items

Downloads

	Description	Format
Data sheet Diaphragm seal MD 21 Compact version	Data sheet	PDF
DMU 13 Vario	Level indicators and level controllers	PDF
Enquiry chemical seals	Product range industrial technology	PDF
Enquiry chemical seals	Checklists	PDF
STP file (3D) MD21_31415W	CAD file	STP
STP file (3D) MD21_31416W	CAD file	STP
STP file (3D) MD21_31328W	CAD file	STP
STP file (3D) MD21_31329W	CAD file	STP
STP file (3D) MD21_31330W	CAD file	STP
Fitting of / combination possibilities of AFRISO pressure gauges and chemical seals	CAD filePressure measuring instruments	PDF

Technical data

Process connection

Stainless steel 316 Ti/316 L
Fixed male thread G½B, G¾B, G1B, G1½B (depends on type)
DIN 3852 type A

Diaphragm

Stainless steel 316 Ti/316 L
Flush, welded to upper body, no dead space

Instrument connection

Welded connection

Pressure transmission liquid

Paraffin oil (FM 09), FDA-listed

Pressure range

See ordering table

Nominal pressure

PN 600, PN 1000

Options

Adapter for instrument connection G¼B/G½B
Cooling element (> 100 °C)
Capillary tube
Other threads
Other materials
Other filling liquids

Technical drawings

Click the corresponding image for detail views, additional information and dimension tables.

Type MD 21

Dimensions (mm):

G	d	dm	h	H	a	b	SW
G½B	26	17,2	17	33,5	3	3	27
G¾B	32	23,5	19	34	3	3	32
G1B	39	28	21	36	3	3	41
G1½B	55	40	25	48	3	3	55
G2B	68	50	27	56	3	3,5	70