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ARP - Model CO-L20 Series - Double ...

ARP - Model CO-L20 Series -Double Offset Valve

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Double offset dampers are widely known as high performance valves. Particularly suited for low pressure flows, total tightness requirements and temperatures up to 260°C. Tightness is guaranteed by perfect coupling of the self-adjusting gasket inserted on the perimeter of the blade and the stainless steel seat. Robust design and high-quality materials ensure long life, low operating torque values and low friction. Double eccentric valves are leak-proof in one direction only. Flow direction is indicated by the arrow. Hydrostatic tests are performed as standard according to EN 12266.

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hydrostatic test

hydrostatic testing

electric actuator

pneumatic actuator

Diameter range DN150 ÷ DN2000
Max temperature 260 °C
Interception or modulating service.
Tight shut off unidirectional damper
Designed for 50 mm insulation
CE marking

Operating conditions

Design temperature –40°C ÷ 260°C
Design pressure –0,1 barg ÷ +0,5 barg

Applicable standards

Design EN 593, EN 12516, ASME B16.34
Flanges EN 1092-1, ASME B16.5, other on request
Testing EN12266, ANSI/FCI70-2

Ends connections

Bolted flanges
Wafer

Blade seals options

Blade o-ring and stainless steel body seat.
Perfect tightness – Max leakage class VI (FCI 70-2)
O-rings options:
PFA with silicone core
FEP with silicone core
Viton or AFLAS
Silicone

Valve actuation

Top flange connections: EN ISO 5210, EN ISO 5211

Actuator types:

Manual with lever or handwheel
EN 15714-2 Electric actuators
EN 15714-3 Pneumatic actuators

Shaft seals options

Energized rings and o-rings
Rings packing, TA-Luft

Materials

Carbon steels
Ferritic, austenitic and duplex stailness steels

Bearing options

One external bearing
Double shaft with two external bearings