CLAMA check valves

Overview

Category: Gate, globe, and check valves
Product line: RAMA easy maintenance valves for nuclear service


  • Size range(s)
    NPS 1/4 - 2 (DN 8 - 50)
    Pressure rating
    ASME Classes
    150 - 1500
    Standard connections
    Socket weld

Features and benefits

Qualified by EDF, the CLAMA easy maintenance check valve was developed to suit principal primary circuit requirements.

DESIGN FEATURES:
● One-piece forged body for more safety and reliability
● Removable seat
● Removable guided disc
● Advanced cage profile allows high flow coefficient Cv

REMOVABLE SEAT
● Unaffected by solicitations of the body
● Body-seat graphite gasket fitted with an extrusion prevention device
● Gasket load controlled by a metal-to-metal compression stop
● Available with different qualified hard-facing alloys

OPERATION AND MAINTENANCE
● In-line maintenance in less than 15 minutes
● High and permanent level of tightness with any fluids
● Cobalt free for nuclear service
● Trim and packing removal without tools
● Removable seat
● No welds to cut and reweld; no lapping

ADVANTAGES
● Fast and easy maintenance
● Low operating costs thanks to low maintenance
● Low fugitive emissions
● Low radioactive exposition due to fast maintenance
● Standardized components 

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