工业冷冻安全阀
主要性能参数 Specification
型号 Type | BTA-12C300C |
公称通径 Nominal diameter | DN15~40(1/2~1'/2) |
强度试验压力 Shell test pressure | 7.5MPa |
排放压力 Relieving pressure | ≤1.1倍整定压力 |
密封压力 Seal pressure | 0.9倍整定压力 |
密封性 Seal property | 气压试验2分钟无泄漏、卤素检漏实验泄漏率≤0.1盎司/年 |
适用温度 Suitable temperature | -46~135°C |
适用介质 Suitable medium | 制冷剂、油、水等 |
主要零件材料 Main parts materials
序号 No. | 零件名称 Part name | 材料 Materials |
1 | 阀体 Body | WCB |
2 | 阀座 Nozzle | 20Cr13/12Cr14 |
3 | 密封圈 Seal | PTFE |
4 | 阀瓣 Disc | 06Cr19Ni10 |
5 | 弹簧 Spring | 50CrVA |
6 | 调整螺母 Adj.nut | 35/45 |
7 | 阀盖 Cover | 45 |
额定排量(空气)Lbs/min Lowest relieving capacity (Air)
规定 Size mm (in) | do (mm) | 整定压力 Psig (MPa) Set pressure |
200(1.38) | 250(1.72) | 300(2.07) | 350(2.42) | 400(2.76) |
DN15(1/2) | 12 | 28.5 | 35 | 42 | 49 | 55.5 |
DN20(3/4) | 18 | 64.5 | 79.5 | 95 | 110.5 | 125 |
DN25(1) | 22 | 96.5 | 120 | 142 | 165 | 187 |
DN32(1'/4) | 26.5 | 140 | 172 | 206 | 239 | 271.5 |
DN40(1'/2) | 34 | 230 | 284 | 339 | 394 | 447 |
连接尺寸 Connecting dimension
规格 Size mm (in) | in | mm |
进口A Inlet A | 出口B Inlet B | L | L1 | H |
DN15(1/2) | 1/2-14FNPT | 1-11.5FNPT | 43 | 46 | 135 |
DN20(3/4) | 3/4-14FNPT | 1'/4-11.5FNPT | 50 | 50 | 155 |
DN25(1) | 1-11.5FNPT | 1'/2-11.5FNPT | 60 | 60 | 185 |
DN20(1'/4) | 1'/4-11.5FNPT | 2-11.5FNPT | 60 | 124 | 230 |
DN25(1'/2) | 1'/2-11.5FNPT | 2-11.5FNPT | 85 | 137 | 290 |
{{item.AppContent}}