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NPF Diaphragm Level Indicator
Brand: KOBOLD Instruments, IncDue to their design and the materials used, KOBOLD level meters of model NPF with diaphragm satisfy the tough service demands in the chemical and petrochemical industry. They are used for level measuring of low-viscosity, nonsticking media in open, unpressurized vessels.
The specific weight of the medium should be taken into account. The fixed annular diaphragm is quite insensitive to vibrations. Diaphragm pressure gauges have a relatively high actuating force. Their stainless steel construction render the instruments resistant to aggressive environmental conditions.
Specifications
Brand
Accuracy
- ± 1.6 % of Full Scale
Ambient Temperature Range
- 80° C (176° F) - Max.
Applications
- Chemical Industry
- Equipment Manufacturing
- Petrochemical Plants
- Plant Engineering
BSP Connection
- G 1/2” Male
Electrical Contacts
- Creep Contact
- Inductive Contact
- Magnetic Snap Contact
- Normally Closed & Normally Open
Electrical Rating
- 250 Vac/dc / 0.6 A / 10 W / 18 VA - Creep Contact
- 250 Vac/dc / 0.6 A / 30 W / 50 VA - Magnetic Snap Contact
- Nominal 8 Vdc - Inductive Contact
Element
- 316Ti Stainless Steel - Measuring Element
- Duratherm 600 - Measuring Element
Enclosure / Body Material
- 304L Stainless Steel
Environmental Protection
- IP54
- IP65
- IP67
Flange Size - 2-1/2” (DN 65)
- 2-1/2” (DN 65) - 150# (ANSI B16.5)
- 2-1/2” (DN 65) - 300# (ANSI B16.5)
- 2-1/2” (DN 65) - 600# (ANSI B16.5)
- 2-1/2” (DN 65) - PN 10
- 2-1/2” (DN 65) - PN 40
Flange Size - 2” (DN 50)
- 2” (DN 50) - 150# (ANSI B16.5)
- 2” (DN 50) - 300# (ANSI B16.5)
- 2” (DN 50) - 600# (ANSI B16.5)
- 2” (DN 50) - PN 10
- 2” (DN 50) - PN 40
Flange Size - 3” (DN 80)
- 3” (DN 80) - 150# (ANSI B16.5)
- 3” (DN 80) - 300# (ANSI B16.5)
- 3” (DN 80) - 600# (ANSI B16.5)
- 3” (DN 80) - PN 10
- 3” (DN 80) - PN 40
Flange Size - 4” (DN 100)
- 4” (DN 100) - 150# (ANSI B16.5)
- 4” (DN 100) - 300# (ANSI B16.5)
- 4” (DN 100) - 600# (ANSI B16.5)
- 4” (DN 100) - PN 10
- 4” (DN 100) - PN 16
- 4” (DN 100) - PN 25
- 4” (DN 100) - PN 40
Materials of Construction
- 316Ti Stainless Steel - Tube Bend
- Aluminum White (Dial Face), Black (Pointer)
- Stainless Steel - Measuring Mechanism
NPT Connection
- 1/2” NPT Male
Overpressure & Static Pressure Limits
- psi: 0 to 580 (kPa: 0 to 4,000, bar: 0 to 40) - Overpressure-Safe
Process Temperature
- 80° C (176° F) - Max.
Resistance
- 1 kiloohms - Input Resistance
Ring Material
- 304L Stainless Steel
Window Material
- Safety Glass