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PRODUCTS:
CHEMICAL SEALS
DM-10 / DM-20 Series
Diaphragm type chemical seal
These stainless steel chemical seals form a hermetic seal between the media being measured and the pressure measurement sensor or gauge while transmitting the process pressure.
| Model | DM-10 | DM-20 |
|---|---|---|
| Ranges (psi) for PN 40 | 0 to: 15, 20, 35, 60, 90, 150, 200, 350, 580 -15 to: 0, +10, +20, +40, +70, +130, +345 |
|
| Fitting | G ½ B | G ½ B female |
| Operating pressure | PN 40, options: PN 100, PN 250 or PN 600 | |
Data Sheet
DM-30 Series
Diaphragm type chemical seal with flange
These stainless steel chemical seals form a hermetic seal between the media being measured and the pressure measurement sensor or gauge while transmitting the process pressure.
| Model | DM-30-15 | DM-30-20 | DM-30-25 | DM-30-50 |
|---|---|---|---|---|
| Ranges (psi) for PN 40 | 0 to: 15, 20, 35, 60, 90, 150, 200, 350, 580 -15 to: 0, +10, +20, +40, +70, +130, +345 |
|||
| Fitting | DN 15 | DN 20 | DN 25 | DN 50 |
| Operating pressure | PN 40, options: PN 100, PN 250 or PN 600 | |||
Data Sheet
DM-40 Series
Diaphragm type chemical seal with union nut
Quick coupling chemical seals with the diaphragm at the front.
| Model | DM-40-25 | DM-40-32 | DM-40-40 | DM-40-50 | DM-40-55 | DM-40-80 |
|---|---|---|---|---|---|---|
| Ranges (psi) | 4-40 | 2.5-40 | 1.6-40 | 1-25 | 1-16 | 0.6-16 |
| Fitting | DN 25 | DN 32 | DN 40 | DN 50 | DN 65 | DN 80 |
| Operating pressure | PN 40 | PN 40 | PN 40 | PN 25 | PN 16 | PN 16 |
Data Sheet
DM-50 Series
Diaphragm type chemical seal with clamp
Quick coupling with food and beverage compatible filling liquid.
| Model | DM-50 40 | DM-50 50 |
|---|---|---|
| Ranges (psi) for PN 40 | 24 to 580 | 20-580 |
| Fitting (clamp) | 1½ inch | 2 inch |
| Operating pressure | PN 40 | |
| Filling liquid | natural oil | |
Data Sheet
DM-70 Series
Diaphragm type chemical seal for cellulose industry
| Model | DM-70 |
|---|---|
| Ranges (psi) for PN 40 | 0 to 25, 35, 60, 90, 145, 230, 360 and 580 -15 to +9, +20, 40, 70, 130, 215 and 350 |
| Chemical seal material | stainless steel |
| Membrane diameter | 48 mm |
| Nominal pressure (psi) | PN 580 |
| Temperature range | medium: -20°C to +120 °C (-4°F to 248°F) |
Data Sheet
DM-80 Series
Diaphragm type chemical seal with thread fitting
| Model | DM-80 15 | DM-80 20 | DM-80 25 | DM-80 40 | DM-80 50 |
|---|---|---|---|---|---|
| Min. ranges (psi) | 145 (only for NG 63) |
145 | 90 | 25 | 50 |
| Diaphragm dia. (mm) | 4.7 | 20 | 28 | 30 | 46 |
| Fitting size | G ½ B | G ¾ B | G 1B | G 1½ B | G 2 B |
| Operating pressure (psi) | PN 8,700 | ||||
| Diaphragm | stainless steel | ||||
| Filling liquid | oil | ||||
| Operating temperature | medium: -20°C to +120 °C (-4°F to 248°F), option: to 750°F | ||||
Data Sheet
Call Bristol Instruments on 877-866-8500 or email us for complete information including specifications or to discuss your application