| 摘要 |
A valve housing comprises an outer sleeve 2, a valve frame 3 disposed in the outer sleeve, and O-ring seal means 4 adapted to seal the valve frame 3 to the outer sleeve 2. The valve frame 3 has a slot 5 adapted to carry the seal means 4. The valve frame 3 comprises a first member 6 and a second member 7 and the slot 5 is defined by a gap between a part of the first member 6 and a part of the second member 7. |
