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【简单介绍】
【详细说明】
低温闸阀产品说明
上海申弘阀门有限公司主营阀门有：减压阀(气体减压阀,可调式减压阀,波纹管减压阀,活塞式减压阀,蒸汽减压阀,先导式减压阀,空气减压阀,氮气减压阀,水用减压阀,自力式减压阀,比例减压阀)、安全阀、保温阀、低温阀、球阀、截止阀、闸阀、止回阀、蝶阀、过滤器、放料阀、隔膜阀、旋塞阀、柱塞阀、平衡阀、调节阀、疏水阀、管夹阀、排污阀、排气阀、排泥阀、气动阀门、电动阀门、高压阀门、中压阀门、低压阀门、水力控制阀、真空阀门、衬胶阀门、衬氟阀门。闸阀是zui常用的截断阀之一，主要用来接通或截断管路中的介质，不适用于调节介质流量。闸阀适用的压力、温度及口径范围很大，尤其适用于中、大口径的管道。
20号钢的20是指含碳量，含碳量为0.2%，属于低碳钢。钢中可分为低碳钢、中碳钢和高碳钢。
碳含量：低碳钢一般小于0.25%；中碳钢一般在0.25～0.60%之间；高碳钢一般大于0.60%。
钢中除含有碳(C)元素和为脱氧而含有一定量硅(Si)(一般不超过0.40%),锰(Mn)(一般不超过0.80%,较高可到1.20%)合金元素外,不含其他合金元素(残余元素除外)。
区分钢和铁：含碳量低于2.11%为钢，含碳量高于2.11%为铁；钢中含碳量越高其韧性越差，铁中含碳量越高其韧性越好。
（3）标准JB/T 6057-92钢的化学成分（质量分数，%）
（4）参考对应钢号 我国GB/JB的标准钢号是20、我国中国台湾CNS标准钢号S20C、德国DIN标准材料编号1.0402、德国DIN标准钢号CK22/C22、英国BS标准钢号IC22、法国AFNOR标准钢号CC20、法国NF标准钢号C22、意大利UNI标准钢号C20/C21、比利时NBN标准钢号C25-1、瑞典SS标准钢号1450、西班牙UNE标准钢号F.112、美国AISI/SAE标准钢号1020、日本JIS标准钢号S20C/S22C。
（5）相变点温度（近似值）Ac1=735℃，Ac3=855℃，Ar3=835℃，Ar1=680℃
（6）正火规范 温度920~950℃，出炉空冷。硬度131~156HBS。
（7）冷压毛坯软化处理规范 温度700~720℃，保温时间8~15h，再以50~100℃/h的冷速，随炉降至温度≤550~600℃，出炉空冷。
处理前硬度≤143HBS，软化后硬度≤131HBS。
（8）淬火规范 温度910℃±10℃，10%NaCl盐水冷却。
(9)实测屈服强度fy=245Mpa，弹性模量E=206Gpa，泊松比ν=0.3。
（10）抗剪强度275~392MPa,抗拉强度为253~500MPa，屈服强度为275MPa，延伸率为25%。
（11）退火温度只要600-650度，保温时间在1-2h。
20号钢在225℃下的许用应力：(16－36mm)111-124MPa之间;(6-16mm)之间117－131MPa
20号钢在100℃下的许用应力：150℃时,20号钢钢管的许用应力为130 MPa,20号钢锻件的许用应力为108MPa
两种钢材都属于低碳钢。从数据上来看，20号钢含碳量稍高一些，两者的金相组织都是珠光体+铁素体。反映到性能上的表现就是20号钢的抗拉强度和冲击韧性稍高一些，基本上两种钢材没有大的区别。
化学成分
牌号 化学成分，% C Si Mn P S Cr Ni Cu 不大于
20 0.17-0.24 0.17-0.37 0.35-0.65 0.025 0.020 0.25 0.25 0.25
20钢的20是指含碳量，含碳量为0.2%，属于低碳钢。
钢中可分为低碳钢、中碳钢和高碳钢。
低碳钢--含碳量一般小于0.25%；
中碳钢--含碳量一般在0.25～0.60%之间；
高碳钢--含碳量一般大于0.60%。
钢中除含有碳(C)元素和为脱氧而含有一定量硅(Si)(一般不超过0.40%),锰(Mn)(一般不超过0.80%,较高可到1.20%)合金元素外,不含其他合金元素(残余元素除外)。 含碳量低于2.1%为钢，含碳量高于2.1%为铁。 钢中含碳量越高其韧性越差，铁中含碳量越高其韧性越好。
低温闸阀的主要优点：
（1）流体阻力小。闸阀闸体内部介质通道是直通的，介质流经闸阀时不改变其流动方向，因而流动阻力较小。
（2）启闭较省力。启闭时闸板运动方向与介质流动方向相垂直。与截止阀相比，闸阀的启闭较为省力。
（3）介质流动方向一般不受限制。介质可从闸阀两侧任意方向流过，均能达到接通或截断的目的。便于安装，适用于介质的流动方向可能改变的管路中。
低温闸阀主要零件材料及性能规范
主要零部件 | 阀体 阀盖 | 碳钢 | 铬镍钛不锈钢 | 铬镍钼钛不锈钢 | 超低碳不锈钢 | 铬钼合金钢 | 低温碳钢 | ||
闸板 阀座 | 碳钢堆焊硬质合金或不锈钢 | 铬镍钛不锈钢 堆焊硬质合金 | 铬镍钼钛不锈钢 堆焊硬质合金 | 超低碳不锈钢 | 铬钼合金钢 堆焊硬质合金 | 不锈钢堆焊硬质合金 | |||
阀杆 | 铬不锈钢 | 铬镍钛不锈钢 | 铬镍钼钛不锈钢 | 超低碳不锈钢 | 铬钼合金钢 | 不锈钢 | |||
填料 | 石墨石棉盘根 | 浸聚四氟乙烯石棉盘根 | 柔性石墨石棉盘根 | 浸聚四氟乙烯石棉盘根 | |||||
垫片 | 石棉垫片 | 不锈钢带四氟乙烯缠绕垫片 | 柔性石墨+不锈钢 | 聚四氟乙烯 | |||||
阀杆螺母 | 高镍球铁/ZguAL10Fe3 | ||||||||
主要参数 | 适用介质 | 水、蒸汽、油品 | 硝酸类 | 醋酸类 | 尿素、甲铵液等 | 水、蒸汽、石油及石油产品 | 氨气、液氨 | ||
适用温度℃ | ≤425 | ≤200 | ≤200 | ≤200 | ≤550 | -45～150 | |||
型号 | 公称 | 主要结构尺寸（mm） | 阀体 材料 | 性能规范 | |||||
通径 DN（mm） | 压力 PN（MPa） | D | D0 | L | H | 适用温度（℃） | 适用介质 | ||
SFD46Z-40C150C | 1/2" | 150 | 89 | 140 | 108 | 345 | LCB | ≥-46 | NH3、丙烷 |
" | 3/4" | " | 98 | 150 | 117 | 355 | " | " | " |
" | 1" | " | 108 | 150 | 127 | 454 | " | " | " |
" | 2" | " | 152 | 200 | 178 | 481 | " | " | " |
" | 3" | " | 190 | 230 | 203 | 574 | " | " | " |
" | 4" | " | 229 | 280 | 229 | 708 | " | " | " |
" | 6" | " | 279 | 330 | 267 | 946 | " | " | " |
" | 8" | " | 343 | 380 | 292 | 1118 | " | " | " |
" | 10" | " | 406 | 460 | 330 | 1312 | " | " | " |
" | 12" | " | 483 | 510 | 356 | 1547 | " | " | " |
" | 14" | " | 533 | 560 | 381 | 1811 | " | " | " |
" | 16" | " | 597 | 560 | 406 | 2002 | " | " | " |
" | 18" | " | 635 | 610 | 432 | 2256 | " | " | " |
" | 20" | " | 698 | 760 | 457 | 2532 | " | " | " |
" | 24" | " | 813 | 810 | 508 | 3000 | " | " | " |
SFD101Z-40C150C | 1/2" | 150 | 89 | 140 | 108 | 405 | LC3 | ≥-101 | 乙烯等 |
" | 3/4" | " | 98 | 150 | 117 | 415 | " | " | " |
" | 1" | " | 108 | 150 | 127 | 514 | " | " | " |
" | 2" | " | 152 | 200 | 178 | 591 | " | " | " |
" | 3" | " | 190 | 230 | 203 | 634 | " | " | " |
" | 4" | " | 229 | 280 | 229 | 768 | " | " | " |
" | 6" | " | 279 | 330 | 267 | 1006 | " | " | " |
" | 8" | " | 343 | 380 | 292 | 1128 | " | " | " |
" | 10" | " | 406 | 460 | 330 | 1372 | " | " | " |
" | 12" | " | 483 | 510 | 356 | 1607 | " | " | " |
" | 14" | " | 533 | 560 | 381 | 1871 | " | " | " |
" | 16" | " | 597 | 560 | 406 | 2062 | " | " | " |
" | 18" | " | 635 | 610 | 432 | 2316 | " | " | " |
" | 20" | " | 698 | 760 | 457 | 2592 | " | " | " |
" | 24" | " | 813 | 810 | 508 | 3060 | " | " | " |
SFD196Z-40C150P | 1/2" | 150 | 89 | 140 | 108 | 405 | ZGOCr18Ni9 | ≥-196 | 液氨、乙烯、液化天然气等 |
" | 3/4" | " | 98 | 150 | 117 | 415 | " | " | " |
" | 1" | " | 108 | 150 | 127 | 514 | " | " | " |
" | 2" | " | 152 | 200 | 178 | 591 | " | " | " |
" | 3" | " | 190 | 230 | 203 | 634 | " | " | " |
" | 4" | " | 229 | 280 | 229 | 768 | " | " | " |
" | 6" | " | 279 | 330 | 267 | 1006 | " | " | " |
" | 8" | " | 343 | 380 | 292 | 1128 | " | " | " |
" | 10" | " | 406 | 460 | 330 | 1372 | " | " | " |
" | 12" | " | 483 | 510 | 356 | 1607 | " | " | " |
" | 14" | " | 533 | 560 | 381 | 1871 | " | " | " |
SFD196Z-40C150P | 16" | 150 | 597 | 560 | 406 | 2062 | ZGOCr18Ni9 | ≥-196 | 液氨、乙烯、液化天然气等 |
" | 18" | " | 635 | 610 | 432 | 2316 | " | " | " |
" | 20" | " | 698 | 760 | 457 | 2592 | " | " | " |
" | 24" | " | 813 | 810 | 508 | 3060 | " | " | " |
SFD46Z-540C150C | 16" | 150 | 597 | 560 | 406 | 2002 | LCB | ≥-46 | NH3、丙烷 |
" | 18" | " | 635 | 610 | 432 | 2256 | " | " | " |
" | 20" | " | 698 | 760 | 457 | 2532 | " | " | " |
" | 24" | " | 813 | 810 | 508 | 300 | " | " | " |
SFD101Z-540C150C | 16" | 150 | 597 | 560 | 406 | 2062 | LC3 | ≥-101 | 乙烯等 |
" | 18" | " | 635 | 610 | 432 | 2316 | " | " | " |
" | 20" | " | 698 | 760 | 457 | 2592 | " | " | " |
" | 24" | " | 813 | 810 | 508 | 3060 | " | " | " |
SFD196Z-540C150P | 16" | 150 | 597 | 560 | 406 | 2062 | ZGOCr18Ni9 | ≥-196 | 液氨、乙烯、液化天然气等 |
" | 18" | " | 635 | 610 | 432 | 2316 | " | " | " |
" | 20" | " | 698 | 760 | 457 | 2592 | " | " | " |
" | 24" | " | 813 | 810 | 508 | 3060 | " | " | " |
SFD46Z-40C300C | 1/2" | 300 |
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" | 3/4" | " |
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" | 2" | " | 165 | 230 | 216 | 501 | " | " | " |
" | 3" | " | 210 | 280 | 283 | 603 | " | " | " |
" | 4" | " | 254 | 330 | 305 | 727 | " | " | " |
" | 6" | " | 318 | 380 | 403 | 969 | " | " | " |
" | 8" | " | 381 | 460 | 419 | 1175 | " | " | " |
" | 10" | " | 444 | 510 | 457 | 1426 | " | " | " |
" | 12" | " | 521 | 510 | 502 | 1611 | " | " | " |
" | 14" | " | 584 | 560 | 762 | 2014 | " | " | " |
" | 16" | " | 648 | 610 | 838 | 2230 | " | " | " |
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SFD101Z-40C300C | 1/2" | 300 |
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| LC3 | ≥-101 | 乙烯等 |
" | 3/4" | " |
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" | 1" | " |
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" | 2" | " | 165 | 230 | 216 | 561 | " | " | " |
" | 3" | " | 210 | 280 | 283 | 673 | " | " | " |
" | 4" | " | 254 | 330 | 305 | 797 | " | " | " |
" | 6" | " | 318 | 380 | 403 | 1039 | " | " | " |
" | 8" | " | 381 | 460 | 419 | 1245 | " | " | " |
" | 10" | " | 444 | 510 | 457 | 1496 | " | " | " |
SFD101Z-40C300C | 12" | 300 | 521 | 510 | 502 | 1671 | LC3 | ≥-101 | 乙烯等 |
" | 14" | " | 584 | 560 | 762 | 2084 | " | " | " |
" | 16" | " | 648 | 610 | 832 | 2300 | " | " | " |
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SFD196Z-40C300P | 1/2" | 300 |
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| ZGOCr18Ni9 | ≥-196 | 液氨、乙烯、液化天然气等 |
" | 3/4" | " | 117 | 150 | 152 | 497 | " | " | " |
" | 1" | " | 124 | 150 | 165 | 522 | " | " | " |
" | 2" | " | 165 | 230 | 216 | 561 | " | " | " |
" | 3" | " | 210 | 280 | 283 | 673 | " | " | " |
" | 4" | " | 254 | 330 | 305 | 797 | " | " | " |
" | 6" | " | 318 | 380 | 403 | 1039 | " | " | " |
" | 8" | " | 381 | 460 | 419 | 1245 | " | " | " |
" | 10" | " | 444 | 510 | 457 | 1496 | " | " | " |
" | 12" | " | 521 | 510 | 502 | 1671 | " | " | " |
" | 14" | " | 584 | 560 | 762 | 2084 | " | " | " |
" | 16" | " | 648 | 610 | 838 | 2300 | " | " | " |
" | 18" | " |
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SFD46Z-40C600C | 1/2" | 600 |
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| LF1 | ≥-46 | NH3、丙烷 |
" | 3/4" | " | 35 | 140 | 92 | 382 | " | " | " |
" | 1" | " | 41 | 180 | 111 | 447 | " | " | " |
" | 11/2" | " | 57 | 180 | 141 | 499 | " | " | " |
" | 2" | " | 165 | 250 | 292 | 580 | " | " | " |
" | 3" | " | 210 | 300 | 356 | 790 | " | " | " |
" | 4" | " | 273 | 350 | 432 | 946 | " | " | " |
" | 6" | " | 356 | 510 | 559 | 1255 | " | " | " |
SFD101Z-40C600C | 3/4" | 600 | 38 | 140 | 92 | 422 | LC3 | ≥-101 | 乙烯等 |
" | 1" | " | 55 | 180 | 127 | 497 | " | " | " |
" | 11/2" | " | 70 | 180 | 200 | 560 | " | " | " |
" | 2" | " | 165 | 250 | 292 | 640 | " | " | " |
" | 3" | " | 210 | 300 | 356 | 860 | " | " | " |
" | 4" | " | 273 | 350 | 432 | 1010 | " | " | " |
" | 6" | " | 356 | 510 | 559 | 1320 | " | " | " |
SFD196Z-40C600P | 1/2" | 600 | 20 | 150 | 92 | 400 | OCr18Ni9 | ≥-196 | 液氨、乙烯、液化天然气等 |
" | 3/4" | " | 35 | 150 | 92 | 422 | " | " | " |
" | 1" | " | 41 | 180 | 133 | 497 | " | " | " |
SFD196Z-40C600P | 11/2" | 600 | 57 | 180 | 152 | 560 | OCr18Ni9 | ≥-196 | 液氨、乙烯、液化天然气等 |
" | 2" | " | 165 | 250 | 292 | 640 | " | " | " |
" | 3" | " | 210 | 300 | 356 | 860 | " | " | " |
" | 4" | " | 273 | 350 | 432 | 1010 | " | " | " |
" | 6" | " | 356 | 510 | 559 | 1320 | " | " | " |
低温闸阀计与制造标准：DZ61/41 H/X
●设计与制造：ANSIB16.34API600API602
●法兰尺寸：ANSIB16.5
●压力温度：ANSIB1.20.1
●结构长度：ANSIB16.10
●对焊连接尺寸：ANSIB16.11
●检验与试验：API598
低温闸阀安装尺寸及重量：
ANSI 150～800Lb | ||||||
NPS | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 |
L | 92 | 111 | 120 | 120 | 140 | 178 |
H | 335 | 360 | 405 | 475 | 475 | 550 |
D0 | 125 | 125 | 160 | 160 | 180 | 200 |
Wt | 7.1 | 9.4 | 13.5 | 15 | 17.8 | 28 |
ANSI 150Lb | ||||||
NPS | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 |
L1 | 108 | 117 | 127 | - | 165 | 178 |
H1 | 335 | 360 | 405 | - | 475 | 550 |
D1 | 125 | 125 | 160 | - | 180 | 200 |
Wt1 | 6 | 8.7 | 11 | - | 18.5 | 21.6 |
ANSI 300Lb | ||||||
NPS | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 |
L1 | 140 | 152 | 165 | - | 190.5 | 216 |
H1 | 335 | 360 | 405 | - | 475 | 550 |
D1 | 125 | 125 | 160 | - | 180 | 200 |
Wt1 | 7 | 9.4 | 12.5 | - | 20.1 | 24 |
ANSI 600Lb | ||||||
NPS | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 |
L1 | 165 | 190.5 | 216 | - | 241 | 292 |
H1 | 335 | 360 | 405 | - | 475 | 550 |
D1 | 125 | 125 | 160 | - | 180 | 200 |
Wt1 | 8.0 | 11.1 | 13.4 | - | 22.6 | 26.8 |
锻钢低温闸阀 800Lb 标准材质细表
序号 | 零件名称 | AStoASTM | SStoASTM | ||
LF2 | LF3 | F304（L） | F316（L） | ||
1 | 阀体 | A350LF2 | A350LF3 | A182F304（L） | A182F316（L） |
2 | 阀座 | A276420 | A276410 | A276304（L） | A276316（L） |
3 | 闸板 | A350LF2 | A350LF3 | A182F304（L） | A182F316（L） |
4 | 垫片 | 316夹柔性石墨 | 316夹PTFE | ||
5 | 阀盖 | A350LF2 | A350LF3 | A182F304（L） | A182F316（L） |
6 | 螺栓 | A193B7 | A193B7 | A193B8 | A193B8M |
7 | 阀杆 | A182F6 | A182F6 | A182F304（L） | A182F316（L） |
8 | 填料 | 柔性石墨 | PTFE | ||
9 | 销钉 | A276420 | A276 304 | ||
10 | 活节螺栓 | A193B7 | A193B16 | A193B8 | A193B8M |
11 | 填料压套 | A276410 | A182F304（L） | A182F316（L） | |
12 | 填料压板 | A105 | A182F11 | A182F304（L） | A182F316（L） |
13 | 螺母 | A1942H | A1944 | A1948 | A1948M |
14 | 阀杆螺母 | A276420 | |||
15 | 润滑垫片 | A473431 | |||
16 | 铭牌 | SS | |||
17 | 紧锁螺母 | A1942H | A1944 | A1948 | A1948M |
18 | 手轮 | A197 | |||
适用温度 | ≥—40℃ | ≥—101℃ | ≥—196℃ | ||
注意:客户需求的其他材质也可采用.密封面材料配对客户内件代号决定 CS=碳钢;AS=合金钢;SS=不锈钢; 尺寸（MM）和重量（KG）
【产品说明】
DZ11H、DZ11Y 型 150（Lb）~800（Lb） 锻钢低温闸阀：手动、内螺纹（丝口）连接、明杆楔式单闸板，DZ11H 阀座密封面材料为 Gr3 系不锈钢、DZ11Y 阀座密封面材料为硬质合金，压力等级 150Lb~800Lb，阀体为碳素钢的低温型闸阀。
【产品性能参数】
| DZ11H、DZ11Y 型 150（Lb）~800（Lb） 锻钢低温闸阀主要性能参数 | ||||
| 型号 | 压力级 （LB） | 工作压力 （MPa） | 适用温度 （℃） | 适用介质 |
| DZ11H-150（Lb） | 150 | 2.0 | ≤425 | 水、蒸汽、油品 |
| DZ11H-300（Lb） | 300 | 5.0 | ||
| DZ11H-600（Lb） | 600 | 10.0 | ||
| DZ11H-800（Lb） | 800 | 14.0 | ||
| DZ11Y-150（Lb） | 150 | 2.0 | ≤425 | 水、蒸汽、油品 |
| DZ11Y-300（Lb） | 300 | 5.0 | ||
| DZ11Y-600（Lb） | 600 | 10.0 | ||
| DZ11Y-800（Lb） | 800 | 14.0 | ||
【产品零部件材料
