<Back                                     Overview - Model: MDM 7510 / 7511 / 7515 / 7520 / 7521
Diaphragm seals model MDM 7510 to 7525 with flush welded diaphragm are used for contaminated, solidifying, hot or highly viscous media, when DIN EN (MDM 7510) or ASME (MDM 7520) flange connections are required. Both versions can also be provided with an extension tube (models MDM 7515 and 7525). Suitable versions for PN 16 up to PN 400 resp. 150 lb/sq.in. up to 2500 lb/sq.in. are available, and various special materials and filling fluids, to suit the diaphragm seals for the individual requirements.

Level measurings, e.g. on oil tanks or in wastewater systems, are common applications for these diaphragm seals.

  
Download PDF Data Sheet 7500

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[ free download ]

Model MDM 7520 Model MDM 7515
Body: Stainless steel 316 L (1.4435).
Instrument Connection: ½" BSP female; optionally various other thread connections.
Diaphragm: Stainless steel 316 L (1.4435) flush welded to the body, optionally various special materials.
Filling Liquid: Silicone oil; optionally various other filling fluids, suitable to the medium.
Nominal Pressure: Depending on model and size: PN 16,  to PN 400 resp. PN 150 lb/sq.in. to 2500 lb/sq.in.
Min. Pressure Ranges: Depending on size, please compare Data Sheet 7500.
Process Connections: MDM 7510 Suitable for DIN EN flange connection DN 25 up to DN 100, raised face DIN EN 1092-1, form B1/B2 and others.
  MDM 7511 Suitable for DIN EN flange connection DN 15, 20, 25, raised face DIN EN 1092-1, form B1 (similar).
  MDM 7515 Suitable for DIN EN flange connection DN 50 up to DN 100, raised face DIN EN 1092-1, form B1, with extension tube 50, 100, 150 or 200 mm resp. 1.97", 3.94", 5.91" or 7.88".
  MDM 7520 Suitable for ASME flange connection 2", 3", 4", raised face ASME B 16.5.
  MDM 7521 Suitable for ASME flange connection ½", 3/4", 1", raised face ASME B 16.5 (similar).
  MDM 7525 Suitable for ASME flange connection 2", 3" or 4", raised face ASME B 16.5, with extension tube 50, 100, 150 or 200 mm resp. 1.97", 3.94", 5.91" or 7.88" .
 

Overview - Model: MDM 7550 / 7555 / 7560 / 7565

Models MDM 7550 to 7565 suit for the same applications as above, but these cellular diaphragm seals are connected with the pressure measuring instrument through a stainless steel capillary line. The so called "pancake" model has to be "sandwiched" between the open process connection flange and a clamping blind flange.

Suitable versions for PN 16 up to PN 400 resp. 150 lb/sq.in. up to 2500 lb/sq.in. are available, and various special materials and filling fluids, to suit the diaphragm seals for the individual requirements.

  
Download PDF Data Sheet 7505

Requires Adobe Acrobat Reader
[ free download ]

Model MDM 7550 Model MDM 7555
Body: Stainless steel 316 L (1.4435).
Instrument Connection: ½" BSP female adapter stainless steel; optionally various other thread connections.
Diaphragm: Stainless steel 316 L (1.4435) flush welded to the body, optionally various special materials.
Filling Liquid: Silicone oil; optional various other filling fluids, suitable to the medium.
Capillary Line: 1m (39.37") stainless steel  316 Ti (1.4571); optional other lengths.
Nominal Pressure: PN 16 up to PN 400  resp. PN 150 up to 2500 lbs.
Min. Pressure Ranges: Depending on size, please compare Data Sheet 7505.
Process Connections: MDM 7550 Suitable for DIN/DIN EN  blind flange/process flange connection DN 50 up to DN 100 with raised face DIN EN 1092-1 Form B2.
  MDM 7555 Suitable for DIN/DIN EN  blind flange/process flange connection DN 50 up to DN 100 with raised face DIN 2526 Form E, with extension tube 50, 100, 150 or 200 mm resp. 1.97", 3.94", 5.91" or 7.88".
  MDM 7560 Suitable for ASME  blind flange/process flange connection 2", 3" or 4", raised face ASME B 16.5.
  MDM 7565 Suitable for ASME blind flange/process flange connection 2", 3" or 4", raised face  ASME B 16.5 with extension tube 50, 100, 150 or 200 mm resp. 1.97", 3.94", 5.91" or 7.88".
 
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