RIV 250 Opale Series Pressure Relief Valve with Hose-Connection, 2" BSPP Inlet, 0.5-1.5 bar, 050250000011
Technical overview
RIV 250 Opale is a spring operated pressure relief valve designed for low-pressure protection with an environmentally safer discharge method. The inlet is a 2" ISO 228/1 BSPP threaded port, while the outlet is a hose connection with 51 mm hose diameter, allowing you to connect a hose/pipe and route vented leakages into a proper tank. The adjustable relief pressure range is 0.5 to 1.5 bar (7–21 psi), and the maximum working pressure rating is 1.5 bar (21 psi). Construction includes a brass body with FKM sealing for durability in demanding service conditions.
Key Features
- Enables controlled discharge via hose outlet to route vented leakages into a proper tank.
- Offers on-site adjustment of the relief setting from 0.5 to 1.5 bar (7–21 psi).
- Rated for low-pressure service with a maximum working pressure of 1.5 bar (21 psi).
- Provides a 2" ISO 228/1 (BSPP) threaded inlet for standard installation.
- Includes a 51 mm hose outlet to connect a hose/pipe for safer discharge handling.
- Uses a brass body with FKM sealing for reliable performance and long service life.
- Can be sealed tamper-proof after adjustment using the drilled tongues method.
- Made in Italy.
Specifications
SeriesRIV Opale 250
Valve TypeSpring operated relief, hose connection
Inlet Port2" ISO 228/1 (BSPP)
Outlet Port51 mm Hose Connection
Adjustable Pressure Range0.5-1.5 bar (7-21 psi)
Maximum Pressure1.5 bar (21 psi)
Temperature Range0 to 180°C
Seal MaterialFKM
Compliance StandardsPED 2014/68/EU
ApplicationSlurry tanker overpressure protection
Body MaterialBrass (CB754S)