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阀体材质：铸钢 球墨铸铁 铸铁
连接方式：RF法兰 NPT
连接尺寸：6“ 4” 3“ 2” 1“
APPLICATION:
Control back pressure in liquid packed systems where an
auxiliary source of supply gas pressure is available.
PRESSURE RANGE:
3 psig to 280 psig
SUPPLY PRESSURE:
Equal to or not less than 60% of controlled pressure
upstream.
| 货号 | 连接尺寸 | 连接方式 | 描述 | 操作压力 | *大工作压力 | 维修包 |
| 铸铁材质 | ||||||
| A0306 | 1" | SCRD | 112 SGT LBP | 125 | 175 | R1820 |
| A0505 | 2" | SCRD | 212 SGT LBP | 125 | 175 | R0101 |
| A0506 | 2" | FLGD | 212 FGT LBP | 125 | 175 | R0101 |
| A0507 | 2" | GRVD | 212 GGT LBP | 125 | 175 | R0101 |
| A0508 | 3" | SCRD | 312 SGT LBP | 125 | 175 | R0102 |
| A0509 | 3" | FLGD | 312 FGT LBP | 125 | 175 | R0102 |
| A0510 | 4" | SCRD | 412 SGT LBP | 125 | 175 | R0103 |
| A0511 | 4" | FLGD | 412 SGT LBP | 125 | 175 | R0103 |
| A0512 | 6" | FLGD | 612 FGT LBP | 125 | 175 | R0104 |
| 球墨铸铁材质 | ||||||
| A0307 | 1" | SCRD | 130 SGT LBP-D | 300 | 300 | R1821 |
| A0513 | 2" | SCRD | 230 SGT LBP-D | 300 | 300 | R0407 |
| A0514 | 2" | FLGD | 218 FGT LBP-D | 250 | 250 | R0407 |
| A0516 | 3" | SCRD | 330 SGT LBP-D | 300 | 300 | R0408 |
| A0518 | 3" | FLGD | 318 FGT LBP-D | 250 | 250 | R0408 |
| A0519 | 4" | SCRD | 430 FGT LBP-D | 300 | 300 | R0409 |
| A0520 | 4" | FLGD | 418 FGT LBP-D | 250 | 250 | R0409 |
| A0521 | 6" | FLGD | 618 FGT LBP-D | 250 | 250 | R0410 |
| 铸钢材质 | ||||||
| A0723 | 2" | FLGD | 227 FGT LBP-S | 285 | 285 | R0105 |
| A0724 | 3" | FLGD | 327 FGT LBP-S | 285 | 285 | R0106 |
| A0725 | 4" | FLGD | 427 FGT LBP-S | 285 | 285 | R0107 |
| A0726 | 6" | FLGD | 627 FGT LBP-S | 285 | 285 | R0108 |
