主要结构特点及用途：
Chief strucure features and usages：
- 本产品的阀盖填料室具有水密封结构，当接口通人压力为061MP的水时，可使系统与大气隔离，保证系统具有良好的气密性
- S/Z型系列采用双闸板双向弹性密封、启闭灵活、迅速、密封可靠。
- 产品结构简单、紧凑合理、检修方便、使用寿命长
- 在管路上作启闭装置用，必须处于全开或全闭状态，不得用于调节流量
- 阀们连接方式有法兰和焊接两种，驱动方式为手动和电动
- S系列水封阀门适用于公称压力100MPa，工作温度425℃，工作介质为水、蒸汽、油品和非腐蚀气体的管路上作启闭装置用，尤其适用于火电厂汽机真空冷凝系统
- The chamber of packing of the valve's bonnet is of a water-sealed structure,which,when the water of 0.6-1MPa pressure goes into the mouthpiec,can make the system isolated from air to ensure the system with a good leak proofness
- Model S/Z series use dual-gate dual-direction elastic ing flesible and fast to open and close,reliable sesling
- Simple,compact and reaso able structur,easy to overhaul and long duration
- When to be used as the open&close device on pipelines,it must be in fully-opened or fully-closed state and unallowed to be used for flow adjustment
- Two ways of connection:by flange and welding,two driving ways:manually and electrically
- Suitable to act as the open & close device for the pipelines with the working medium of water,steam,oil goods and non-corrosive gas,especially for the vacuum condensation system of the steam tufbine in steam power palnts.
主要性能规范：
Chief property and specificatio：
|
公称压力PN(MPa)Nominal pressure |
公称压力PN(MPa)Nominal pressure |
|||||
|
壳体强度试验(MPa)Shell strength test |
1.0 |
1.6 |
2.5 |
4.0 |
6.4 |
10.0 |
|
密封试验(MPa)Seal test |
1.5 |
2.4 |
3.8 |
6.0 |
9.6 |
15.0 |
|
上密封试验(MPa)Back seal test |
1.1 |
1.8 |
2.8 |
4.4 |
7.0 |
11.0 |
|
气密封试验Leak-proofness test |
1.1 |
1.8 |
2.8 |
4.4 |
7.0 |
11.0 |
| 使用范围Applicable | ||||||
|
产品类型Produect classification |
适用温度℃Working remperature |
适用介质Suitable medium |
||||
|
碳钢型(C)Carbon steel |
≤425 |
水、蒸汽、油品、非腐蚀性气体eam.oil n-corrosive gas |
||||
|
合金型(I)Alloy steel |
≤540 |
|||||
| 主要零件材料Material for main parts | ||||||
|
产品类型Product type |
零件名称Part name |
|||||
| 阀体、阀盖、支架nnet.yoke | 阀杆stem | 闸板、阀瓣、密封面Walge gate disc seal face | 阀座密封面Seatring seal face | 阀杆螺母Yoke nut | 填料Packing | |
|
碳钢型(C)Carbon steel |
WCB |
1Cr13或2Cr13 |
Cr13型不锈钢或硬质合金Sainless steel or carbide alloy | 不锈钢Stainless steel | 铝青铜Al bronze | 柔性石墨Flexible graphite |
|
合金钢(I)Alloy steel |
WCB Cr5Mol |
20Cr1Mo1VA |
钴基合金Co-based alloy | 硬质合金Carbide alloy | 铝青铜Al bronze | 柔性石墨Flexible graphite |
主要尺寸及重量：
Main dimensions and weight：
|
DS/Z64H- 16C、25 |
||||||||||
|
公称通径DN(mm) |
L |
α |
H |
Do |
PN1.6(MPa) |
PN2.5(MPa) |
||||
|
D |
D1 |
重量(kg) |
D |
D1 |
重量(kg) |
|||||
|
50 |
250 |
37°30′ |
334 |
250 |
58 |
50 |
19 |
64 |
49 |
23 |
|
65 |
270 |
37°30′ |
439 |
250 |
75 |
65 |
32 |
82 |
67 |
35 |
|
80 |
280 |
37°30′ |
495 |
300 |
91 |
79 |
34 |
95 |
77 |
37 |
|
100 |
300 |
37°30′ |
575 |
350 |
110 |
97 |
44 |
117 |
101 |
49 |
|
125 |
325 |
37°30′ |
587 |
350 |
136 |
121 |
75 |
144 |
126 |
78 |
|
150 |
350 |
37°30′ |
607 |
350 |
163 |
146 |
82 |
172 |
158 |
105 |
|
200 |
400 |
37°30′ |
740 |
400 |
223 |
202 |
158 |
223 |
202 |
160 |
|
250 |
450 |
37°30′ |
863 |
400 |
278 |
254 |
184 |
278 |
254 |
188 |
|
300 |
500 |
37°30′ |
990 |
400 |
330 |
305 |
245 |
330 |
305 |
249 |
|
350 |
550 |
37°30′ |
1137 |
500 |
382 |
352 |
492 |
382 |
352 |
497 |
|
400 |
600 |
37°30′ |
1523 |
500 |
432 |
399 |
588 |
432 |
399 |
592 |
|
450 |
650 |
37°30′ |
1618 |
600 |
485 |
451 |
683 |
485 |
451 |
688 |
|
500 |
700 |
37°30′ |
1657 |
600 |
535 |
501 |
846 |
535 |
499 |
853 |
|
600 |
800 |
37°30′ |
1746 |
700 |
636 |
601 |
1013 |
636 |
599 |
1020 |