Irrigation

A.R.I. NR-47

Removable Cover Check Valves

A check valve with a resilient disc, allows for one-directional flow and prevents liquid return to its source. This valve has a removable upper cover which allows for the cleaning and maintenance of the valve without the need to remove it from the pipeline. The valve disc is rubber-coated and attaches to a shaft, which is locked into the valve body. Sealing is performed by the closing of the disc up against the valve seat, located at the inlet to the body.

Downloads

Product Page (PDF)

Technical Specifications

Size Unit

Size range

DN50-DN500 (2”–20”)

Pressure rating

PN6, PN10, PN16

Working temperature

Maximum working temperature:

60° C

Features and Benefits

Disc anchored at two points
  • Disc anchored at two points Prevents fluttering and turbulent flow
Removable upper cover
  • Easy maintenance without removing valve from the pipeline
Built from special materials
  • High durability in long-term, harsh conditions — withstands water hammer effects
Disc fully opens
  • Minimal energy loss, without pockets to catch debris
Unique seal design
  • Seals at low pressure, prevents wear of sealing area & coating damage
Flexible installation design
  • Enables both horizontal & vertical installation (upward flow only)
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