| 摘要 |
<p>A flow control device includes a first body (10) and a second body (26); a threaded engagement for clamping the bodies together in an axially aligned relationship; a diaphragm seal (28) that is disposed axially between the first and second bodies to form a seal therebetween; each of the first and second bodies having a generally flat surface portion (26a, 30a) near its respective outer periphery; at least one of the generally flat surfaces being adjacent an outer corner (32) thereof; the diaphragm being singularly clamped between the generally flat portions; the diaphragm having an outer peripheral portion (28a) adjacent the generally flat surfaces and that bends over and seals at the corner.</p> |
