Fail-closed, tight seal gas safety valve system

Details Fail-closed, tight seal gas safety valve system Fail-closed, tight seal gas safety valve system

1984-09-07

1985-11-19

Scott, Samuel

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 62, 251233, 251305, 251338, 110163, F16K 3142

Patent

active

045537313

ABSTRACT:
A fail-closed gas safety valve system for blast furnace stove operations employing two tight seal butterfly valves, one a gas shutoff valve and the other a gas regulating valve, which together operate to prevent the leakage of hazardous gas into a blast furnace stove area in the event the supply of air to the stove is interrupted because of a power or a hydraulic failure.

REFERENCES:
patent: 861675 (1907-07-01), Rosser
patent: 2600499 (1952-06-01), Harrower
patent: 3258229 (1966-06-01), Larson
patent: 3704721 (1972-12-01), Schmitz et al.
patent: 4200258 (1980-04-01), Gliatas
patent: 4412670 (1983-11-01), Card et al.

Affiliated with

Also associated with

Rating

Fail-closed, tight seal gas safety valve system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fail-closed, tight seal gas safety valve system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fail-closed, tight seal gas safety valve system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-79629