ITT Habonim 73/74/77 DS05 Double Block and Bleed Valve Series UK & Ireland

ITT Habonim 73/74/77 DS05 Double Block and Bleed Valve Series

The ITT Habonim Dual-Safe valve series presents an optimal design solution and guarantees isolation on critical applications and services when an emergency shut-down (ESD) valve is a necessity. The Dual-Safe unit incorporates two main isolation valves and one bleed valve in a single-body construction. This special construction offers the lowest possible number of potential leakage points from a process connection and reduces the overall valve envelope size and weight by integrating valves, piping, and fittings into one compact design.

Product Benefits

Minimizes the risk of furnace explosion.
Increases system reliability.
Saves space and reduces weight.
Reduces installation time.
Streamlines maintenance operations.
Reduces the number of items in repair kits.
Rugged construction.
Bubble tight shutoff on all three valves.
Coupled operating mechanism reduces the number of actuators on the main line
Tongue & Groove design for all body seals Variety of end connections (welded, threaded, flanged).

Certifications

PED 2014/68/EU Module H Pressure equipment directive
ATEX 2014/34/EU equipment and protective systems intended for use in potentially explosive atmospheres (optional for actuated unit only)
IEC 61508-2 SIL 2/3 Safety integrity level – functional safety of electrical/electronic/programmable electronic safety-related systems (optional for actuated unit only)
API 607, ISO 10497 Testing of valves – fire type-testing requirements
ISO 15848-1 Industrial valve – measurement, test and qualification procedures for fugitive emissions

Technical Data

73X/73W, 74X/74W, 77X/77W Full port
Size range 11/2″-8″ (DN32-DN200)
Pressure range ANSI Class 150 RF, Class 300 RF, DIN PN16/40 RF.
Temperature range -200 °C to +260 °C (-328 °F to 500 °F)
Temperature +260° C (500° F) and above consult ESI for advice on seat options.
Materials Carbon Steel, Stainless Steel, Alloy C22, Duplex, Super Duplex, 254 SMO etc.
End connections Threaded, welded, flanged and more
Operation manual, actuated and coupled actuation

Application

Prevention of explosions in fuel, oil and natural gas furnaces
Prevention of risk to personnel downstream of valves.
Critical Process Applications to maintain valve integrity
High-pressure systems to relieve pressure inside valve cavities.
Toxic and Hazardous fluid processes for containment.
Chemical injection connections and Sampling.
Steam Isolation for a safety measure to prevent injury.
Gauge Isolation to maintain Instrumentation.

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