This unit uses the vacuum pilot method with a diaphragm indirect operation type to deliver stable and reliable control. Moreover, it maintains superior pressure stability even when flow rates fluctuate. As a result, the system ensures consistent performance and precise regulation across changing operating conditions.
Specifications
| Item | NVR200 | NVRA200 | ||
|---|---|---|---|---|
| Pilot specification | Internal vacuum pilot type | External vacuum pilot type | ||
| Port size Rc | 1/8 | 1/4 | 1/8 | 1/4 |
| Media | Air | |||
| Set pressure range kPa [in.Hg] | −2.5 ～ −95 [−0.74 ～ −28.06] | |||
| Set pressure sensitivity kPa [in.Hg] | 0.1 [0.03] | |||
| Repeatability % (F.S.) | 2 | 0.6 | ||
| Proof pressure MPa [psi] | 0.5 [73] | |||
| Suction flow rate ℓ/min [ft³/min] (ANR) | MAX. 130 [4.59] | MAX. 200 [7.06] | MAX. 130 [4.59] | MAX. 200 [7.06] |
| Operating temperature range °C [°F] | 5 ～ 60 [41 ～ 140] | |||
| Vacuum gauge port diameter Rc | 1/4 | |||
| Mass kg [lb.] | 0.20 [0.44] | 0.17 [0.37] | ||
