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RZI Check Valve
Brand: Adams Valves Inc
The proven design of the RZN is the basis for RZI valves, which can be installed in large-diameter or high-pressure pipelines and are equipped with a multirate, adjustable, interval-damping system for particularly critical applications.
The RZI provides adjustment for each damping rate and also timing-of-rate increase during check valve closure. This means, the RZI can be yuned to precisely match the closing characteristics required by a pump installation to avert excessive pressure surge.
Features- Non-return valve with multirate adjustable interval damping system
- Resilient seal or laminated metal-to-metal seal
- Triple offset design with inclined conical sealing system
- Three adjustable independent damping rates
- Auto-closing
- Damper adjustment locking
- Controlled, non-slam closure
- Adjustable closing characteristic
- Additional screw safety device
- Prepared for retro-fitting of counterweights, if flow conditions change
- Longevity, even for frequent cycle operation
Specifications
Brand
Nominal Diameter
- 500 to 3,000 mm (20 to 120 in)
Temperature Range
- -50° to 200° C (-58° to 392° F)
Pressure Rating
- PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, ANSI 150/30