品牌
经销商厂商性质
上海市所在地
主要零部件材料：
NO. 零件名称 C型材料 I型材料 V型材料 1 阀体 WCB ZG1Cr5Mo ZG15Cr1Mo1V 2 阀座 2Cr13 1Cr18Ni9Ti 12Cr1MoVA 3 调节圈 2Cr13 1Cr18Ni9Ti 1Cr18Ni9Ti 4 阀瓣 2Cr13 17-4PH 17-7PH 5 导向套 2Cr13 1Cr18Ni9Ti 1Cr18Ni9Ti 6 散热器 ZG230-450 ZG230-450 ZG230-450 7 阀盖 ZG230-450 ZG230-450 ZG230-450 8 弹簧 50CrVA 50CrVA 50CrVA
外形尺寸和连接尺寸：
| 型号 | 公称 通径 | do | D | K | g | g1 | b | f | f1 | Z-ød | DN' | D1 | K1 | g3 | g2 | b1 | f' | f1' | z1-ød1 | L | L1 | ≈H |
| YFA48Y-16C YFA48Y-16I YFA48Y-16V | 40 | 25 | 150 | 110 | | 85 | 18 | 3 | | 4-18 | 50 | 165 | 125 | | 100 | 20 | 3 | | 4-18 | 120 | 115 | 540 |
| 50 | 32 | 165 | 125 | | 100 | 20 | 3 | | 4-18 | 65 | 185 | 145 | | 120 | 20 | 3 | | 4-18 | 135 | 120 | 618 | |
| 65 | 40 | 185 | 145 | | 120 | 20 | 3 | | 4-18 | 80 | 200 | 160 | | 135 | 20 | 3 | | 8-18 | 160 | 140 | 710 | |
| 80 | 50 | 200 | 160 | | 135 | 20 | 3 | | 8-18 | 100 | 220 | 180 | | 155 | 22 | 3 | | 8-18 | 160 | 150 | 730 | |
| 100 | 65 | 220 | 180 | | 155 | 20 | 3 | | 8-18 | 150 | 285 | 240 | | 210 | 24 | 3 | | 8-23 | 225 | 175 | 892 | |
| 150 | 100 | 285 | 240 | | 210 | 24 | 3 | | 8-23 | 200 | 340 | 295 | | 265 | 26 | 3 | | 12-23 | 240 | 235 | 1135 | |
| 200 | 125 | 340 | 295 | | 265 | 26 | 3 | | 12-23 | 250 | 405 | 355 | | 320 | 30 | 3 | | 12-26 | 290 | 210 | 1135 | |
| YFA48Y-40 YFA48Y-40I YFA48Y-40V | 25 | 16 | 115 | 85 | 58 | 65 | 16 | 2 | 4 | 4-14 | 32 | 140 | 100 | | 78 | 18 | 2 | | 4-18 | 110 | 95 | 429 |
| 32 | 20 | 140 | 100 | 66 | 78 | 18 | 2 | 4 | 4-18 | 40 | 150 | 110 | | 85 | 18 | 3 | | 4-18 | 115 | 100 | 421 |
