| 1. | The molded ptfe ring is bonded into a groove in the disc face for maximum service life
这种模铸聚四氟乙烯环粘合在阀瓣表面的槽内，最大限度延长使用寿命。 |
| 2. | The molded ptfe ring is bonded into a seat ring groove in the face for maximum service life
这种模铸聚四氟乙烯环粘合在阀座表面的阀座环槽内，最大限度延长使用寿命。 |
| 3. | Hardened seating surfaces ? both disc and body seating surfaces are hard faced for maximum service life
硬化的阀座表面?阀瓣和阀体地阀座表面都经过表面硬化，最大限度延长使用寿命。 |
| 4. | These valves shall have ptfe seats and fpm seals for maximum service life and protection against external leakage
这些阀门应该配置聚四氟乙烯阀座和fpm密封，使其使用寿命更长，更有助于防止外泄漏。 |
| 5. | Body ? full ported , heavy duty body with api 600 wall thickness for maximum service life . provided with bosses for optional by - passes or drains
阀体-全流道(全端口) ，重型阀体，符合api600标准的壁厚，最大限度延长使用寿命。可配置用于旁路阀或排泄阀的轮毂。 |
| 6. | Valves may be sized to match existing lines , but swing check and stop - check valves should also be sized according to flow conditions for maximum service life
可以根据现存的相匹配的管线来确定阀门通径，但是旋启式止回阀和截止止回阀还应该根据最大限度延长使用寿命的流体状况来确定阀门通径。 |
