ARO P391B4-624 1000 Series Piggyback Unit, 1/4 in BSP
1000 Series piggyback unit with 1/4 in BSP inlet and outlet, 1/8 in gauge port and a 0-30 psi range.
ARO P391B4-624 is a 1000 Series piggyback unit with 1/4 in BSP inlet and outlet ports, a 1/8 in gauge port and a 0 to 30 psi pressure range.
The ARO P391B4-624 is a 1000 Series piggyback unit for compressed air lines, built with BSP threaded connections. Its parts list includes filter, regulator and lubricator service items, which places it in the ARO (Ingersoll Rand) air preparation line rather than the pump range.
The unit is listed with a 0 to 30 psi pressure range and comes without a gauge. A 1/8 in gauge port is provided if you want to read pressure at the unit.
Key Specifications
- Series: 1000
- Connection type: BSP
- Inlet and outlet size: 1/4 in
- Gauge port: 1/8 in
- Pressure range: 0 to 30 psi, no gauge included
Service Parts for This Unit
These replacement items appear in the P391B4-624 parts list:
- ARO 104296 Filter Element
- ARO 104302 Regulator Section Repair
- ARO 104299 Poly Bowl
- ARO 104301 Metal Bowl
- ARO 104293 Auto Drain
- ARO 104310 Gauge
The full list runs to 14 items, including an adjusting spring, a pressure switch and a lubricator C-bracket. Safety, maintenance and parts manuals are listed for this unit.
| Brand | ARO |
|---|---|
| Product Type | Part or Accessory |
| Inlet/Outlet Connection Type | BSP |
| Inlet Size | 1/4 in |
| Outlet Size | 1/4 in |
| Gauge Port | 1/8 in |
| Pressure Range | 0 - 30 psi (no gauge) |
| Notes | Pgybk,1000Srs,Bsp |
