LESER S&R安全阀
安全阀，符合当地规范和标准的要求，如加热系统（TRD 721）。
优势
内联安全阀直接整合管线
标准阀门，交货时间短
技术规格
| 口径 |
DN 15 - DN 150 | 1/2" - 6" |
| 实际孔口直径 D0 |
15 mm - 125 mm | 0.591 in - 4.921 in |
| 实际孔口面积 A0 |
177 mm2 - 12.272 mm2 | 0.274 in2 - 19.022 in2 |
| 压力 |
0.5 bar - 40 bar | 7.3 psig - 580 psig |
| 温度 (依照 DIN EN) |
-85 °C to 450 °C | -121 °F to 752 °F |
| 阀体材料 |
0.6025, 0.7043, 1.0619, 430F | Cast steel, Ductile Gr. 60-40-18, SA 216 WCB, 1.4104 |
| 阀门连接 |
依照 DIN 标准的法兰，螺纹 |
| 波纹管 |
弹性体，不锈钢 |
认证
行业
暖气和空调
阀门类型
Type 532, 534
Proportional in-line safety valve DN 15 - DN 150 (1/2" - 6")
Type 440
Flanged safety valves for heating plants up to 120 °C acc. to DIN 4751 part 2 DN 20 - DN 150 (3/4" - 6")
Type 424
Safety valves for steam boilers up to 1 bar g DN 25 - DN 150 (1" - 6")
Type 460
Threaded safety valves for heating plants up to 120 °C acc. to DIN 4751 part 2 DN 15 - DN 20 (3/4" - 1")
Type 612
Pressure reducing valve with bellows DN 15 - DN 100 (1/2" - 4")
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