Flowserve NRGS 11-1 User Manual download pdf (Page 9)

Technical Data

Type Approval N°

NRGS 11-1: TÜV · WRB · 01-388

NRGS 16-1: TÜV · WRB · 01-388

NRGS 16-1 S: GL 99250-96 HH

LR 98/20075

RINA No ELE/30298/1

Max. service pressure

NRGS 11-1: 6 barg at 159°C

NRGS 16-1: 32 barg at 238°C

NRGS 16-1 S: 32 bar g at 238°C

Connections

Screwed 1" BSP, DIN ISO 228

Flanged DN 50, PN 40, DIN 2635

Materials

Case: Die cast aluminium 3.2161 (G AlSi8Cu3)

Stem: S. S. 1.4571 (CrNiMoTi 17 12 2)

Flange: Forged steel 1.0460 (C 22.8)

Measuring electrodes: S. S. 1.4571 (CrNiMoTi 17 12 2)

Electrode insulation: PTFE

Spacer disc: PTFE

Lengths supplied

1500 mm

1000 mm

1500 mm

Mains supply

230 V +/- 10 %, 50/60 Hz

115 V +/- 10 %, 50/60 Hz

124 V +/- 10%, 50/60 Hz (option)

Power consumption

5 VA

Fuse

Thermal fuse T

max

= 102 °C

Sensitivity

Range 1: 10 µS/cm

Range 2: 0.5 µS/cm

Electrode voltage

10 V

Output

4 volt-free relay contacts.

Max. contact rating with a switchting voltage of 24 V, 115 V and 230 V a. c.:

ohmic 4 A, inductive 0.75 A at cos ϕ 0.5. Max contact rating with a switching

voltage of 24 V d. c.: 4 A

Contact material: silver, hard-gold plated

Explanatory Notes – continued –

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Flowserve NRGS 11-1 User Manual Page 9

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