Products

Y-Blow-Off valve for steam

Fig. 180

Lunkenheimer “Y” blow-off valves conform to the ASME Boiler Code and are suitable for boiler service up to 80% of valve working steam pressure. Also provide approximate flow and drainage of a gate valve and may be used as such on other services. Also for throttling and fine regulation.

Bodies and bonnets ASTM B61 type S-1 steam bronze. Seat opening permits almost unrestricted flow. Cylindrical guides insure proper disc seating.

Union Bonnet: Assures strong, pressure-tight connections, facilitates cleaning and inspection.

Discs and seat rings: Regrindable, renewable. NT4 nickel alloy.

Back seats: Repackable when disc is wide open under pressure.

Lunkenheimer Y Blow-Off Valve Table

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Lunkenheimer_Y-Blow-Off_Valve_Fig180

Pressure ratings:

400 lb WOG

Body materials:

ASTM B61

Sizes:

1" - 2"