Diaphragm seal MD 51 for hygienic processes

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Data sheet Diaphragm seal MD 51 for hygienic processes

Benefits

All materials FDA-listed
SIP/CIP enabled
No dead space
Various standards available

Application

Diaphragm seals MD 50/51 with food law compliant screwed pipe connection for hygienic process separation of pressure measuring and control units in pipes or tanks. For mounting to Bourdon tube pressure gauges, pressure transducers and pressure switches. For installation in hygienic processes without dead spaces.

Food and beverages industry

Dairies

Beverage machines

Breweries

Versions

Threaded socket SMS 1147

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
DN 1½"	Welded connection	PN 40	0.6 bar	0.6 bar	0.6 bar	1 bar	1 bar	31320W
DN 2"	Welded connection	PN 40	0.6 bar	0.6 bar	0.6 bar	0.6 bar	1 bar	31321W

Blue part no. = in-stock items

Grooved union nut SMS 1147

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
DN 1½"	Welded connection	PN 40	0.6 bar	0.6 bar	0.6 bar	1 bar	1 bar	31314W
DN 2½"	Welded connection	PN 25	0.6 bar	0.6 bar	0.6 bar	0.6 bar	0.6 bar	31316W

Blue part no. = in-stock items

Downloads

	Description	Format
Data sheet Diaphragm seal MD 51 for hygienic processes	Data sheet	PDF
DMU 13 Vario	Level indicators and level controllers	PDF
Measuring and control technology for hygienic processes	Product range industrial technology	PDF
Enquiry chemical seals	Product range industrial technology	PDF
Enquiry chemical seals	Checklists	PDF
Fitting of / combination possibilities of AFRISO pressure gauges and chemical seals	CAD filePressure measuring instruments	PDF

Description

All materials used are FDA-listed. The chemical seal and the measuring instrument are welded together, resulting in an inseparable single, shock- and vibration-resistant unit that does not require additional external protection. The chemical seals are available with various nominal diameters; due to their compact design, they are suitable for a wide range of applications.

Technical data

Process connection

Stainless steel 316 L
SMS 1147
DN 1½", DN 2", DN 2½"

Surface roughness RA

≤ 0.8 µm

Diaphragm

Stainless steel 316 L

Instrument connection

Welded connection

Pressure transmission liquid

Paraffin oil (FM 09), FDA-listed

Pressure range

See overview of versions

Nominal pressure

PN 40, PN 25

Can be mounted to

Bourdon tube pressure gauges NG 50, 63, 80, 100, 160
Pressure transducers (DMU)
Pressure switches (DS)

Options

Other designs (Südmo, Guth)
Other materials
Electropolished
Cooling element
Capillary
Other pressure transmission liquids
Accessories such as union nuts and seals
Other process connections: MD 52-1: DIN 11864-1 GS or ÜM, design A/B, DN 25/80, H3 DIN 11853-1 GS or ÜM, DN 25/80, H3 MD 52-2: DIN 11864-2 NF or BF, design A/B, DN 25/80, H3 DIN 11853-2 NF or BF, DN 25/80, H3 MD 52-3 DIN 11864-3 NKS or BKS, design A/B, DN 25/80, H3 DIN 11853-3 NKS or BKS, DN 25/80, H3 MD 53: APV-RJT 1" to 3" MD 54: IDF 1" to 3" MD 55: APV-ISS 1" to 3"

Technical drawings

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

Socket and union nut SMS 1147

Dimensions (mm):

DN	PN	dm	G	H
1½"	40	36	Rd60x1/6	17
2"	40	48	Rd70x1/6	17
2½"	25	48	Rd85x1/6	17

Threaded socket SMS 1147

Dimensions (mm):

DN	PN	dm	G	D	H
1½"	40	36	Rd60x1/6	74	14
2"	40	48	Rd70x1/6	84	14
2½"	25	48	Rd85x1/6	100	14