| 摘要 |
The device comprises at least one filling valve (20, 20A, 20C, 20D, 24, 24B) exhibiting at least one first stopper (11, 11A, 11B, 11C, 11D, 40, 26, 26B) free-floating or secured to a lever, capable of hermetically sealing the orifice of the valve under the action of the water contained in the boiler (2, 2A, 2B) or under the action of steam or pressurised water produced in the said boiler. The device furthermore comprises at least one bleed (drain) valve (6, 6A, 6B) exhibiting a second stopper (15, 15A, 15B) capable of hermetically closing the orifice of the said bleed valve under the action of the steam or pressurised water produced in the said chamber. <IMAGE>
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