GB/T 12243-2005弹簧直接载荷式安全阀 Spring loaded safety valves
来源:www.jn-syj.com 发布于:2019/12/30 13:21:06 点击量:
GB/T 12243-2005弹簧直接载荷式安全阀,适用于整定压力为0.1MPa~42.0MPa,流道直径大于或等于8mm的蒸汽锅炉、压力容器和管道用安全阀。HRJ Spring Tester;安全阀弹簧应进行强压处理或加温强压处理,并对所有弹簧进行永久变形试验。将弹簧用试验负荷压缩至少3次后,测量其原始自由高度;然后再将弹簧用试验负荷按压缩3次,再次测量其最终自由高度。两次测量的自由高度差值即永久变形量,永久变形不应超过原始自由高度的0.5%。jn-syj.com;弹簧试验负荷按GB/T2935-2009规定。
安全阀弹簧最大工作负荷下变形量应小于或等于弹簧试验负荷下变形量的80%。弹簧最大工作负荷下变形量应小于或等于弹簧圈并紧时变形量的80%;HRJ Spring Tester;安全阀弹簧圈节距应均匀,当弹簧压缩到试验负荷(即弹簧允许承载的最大负荷)下变形量的80%时,工作圈间不应发生接触。安全阀弹簧刚度的极限偏差为±10%,根据需要,设计可规定不对称分布的极限偏差值。jn-syj.com;对同一热处理炉同规格的弹簧10%(但不少于2根)在设计规定的工作负荷或变形量范围内测定弹簧刚度。
安全阀弹簧细长比应小于3.7。弹簧两端各有大于或等于3/4圈支撑平面,支撑圈末端与工作圈并紧,弹簧轴线对两端支撑平面的垂直度每100mm长度偏差值不大于1.7mm。HRJ Spring Tester;安全阀弹簧指数可在4~8范围内选取。
安全阀弹簧自由高度极限偏差H0符合以下要求:H0≤20mm,±1.2mm;H0>20~60mm,±1.6mm;H0>60~120mm,±2.5mm;H0>120~200mm,±3.5mm;H0>200~300mm,±4.5mm;H0>300~450mm,±7.0mm;H0>450~600mm,±9.0mm;H0>600mm,±1.5%H0;
安全阀弹簧内径极限偏差D1符合以下要求:D1≤40mm,+0.6mm;D1>40~60mm,+0.8mm;D1>60~80mm,+1.0mm;D1>80~100mm,+1.2mm;D1>100~150mm,+1.5mm;D1>150mm,+1.0%D1;
公称压力PN10~PN320安全阀弹簧刚度试验;DN15~DN250全启式安全阀弹簧变形测试;DN10~DN40微启式安全阀弹簧试验;HRJ Spring Tester;DN80/ DN100双联微启式安全阀弹簧试验;圆柱螺旋压缩弹簧试验机;圆柱螺旋拉伸弹簧试验机;圆柱螺旋扭转弹簧试验机;弹簧扭矩疲劳试验机;弹簧刚度试验机;弹簧疲劳强度试验机;弹簧动负荷疲劳性能试验机;弹簧应力疲劳试验机;弹簧静负荷性能试验机;弹簧疲劳寿命试验机;自由高度≤900mm弹簧压缩试验机;旋绕比3~12弹簧试验机;高径比0.8~4弹簧试验机;8mm~60mm弹簧试验机;≤460m弹簧试验机;蒸汽锅炉弹簧试验机;压力容器弹簧试验机;安全阀弹簧最小工作负荷下变形量测定;jn-syj.com;安全阀弹簧压缩量调整机构应具备弹簧防松动装置;
JIS B 8210;JIS B 8372;JIS B 8410;ISO 11891:2012;HRJ Spring Tester;ISO683-14;API Std 527;ISO 5209;GB/9440;GB/T12220;GB/T12224;GB/T12225;GB/T12227;GB/T12228;GB/T12229;GB/T12230;GB/T12241;JB/T7928;JB/T2203-2013;GB/T12242压力释放装置性能试验规范;GB/T12245减压阀性能试验方法;GB/T1805-2001弹簧术语;GB/T1239.1-2009冷卷圆柱螺旋拉伸弹簧;GB/T1239.2-2009冷卷圆柱螺旋压缩弹簧;jn-syj.com;GB/T1239.3-2009冷卷圆柱螺旋扭转弹簧;GB/T23934-2015热卷圆柱螺旋压缩弹簧技术条件;GB/T2935-2009圆柱螺旋弹簧设计计算;
Spring Loaded Safety Valves;Safety Valves Spring Loaded Tester;Safety Valve Spring Compression Tester;Steam Boilers Spring Loaded Tester;Pressure Vessels Spring Loaded Tester;Center-to-face dimensions of spring loaded safety vale;Methods of performance test for pressure reducing valves;Cold coiled helical springs technical specifications;Extension Spring Tester;Compressions Spring Tester;Torsion Spring Tester;Hot formed helical compression springs-Technical Requirement;Design of cylindrical helical springs;Main Steam Safety Valve Spring Load Tester;High Load Spring Compression Tester;HRJ Spring Tester;Steel Spring Load Tester;Steel Helical Spring Compression Tester;Hydraulic Spring Compression Tester;Hydraulic Helical Spring Tester;Automobile Leaf Spring Compression Tester;Spring Safe Factor Test;Spring Fatigue Test;Torsion Spring Durability Tester;Spring Ruggedness Tester;Seat Leaf Spring Torsion Fatigue Tester;Seat Torsion Spring Durability Tester;Seat Spring Ruggedness Test;HRJ Spring Tester;Spring Load Testing Machine;Valve Spring Fatigue Tester;Clutch Diaphragm Spring Tester;Switch Spring Tester;Clock Spring Tester;Clock Spring Torsion Tester;Contact Spring Tester;Contact Spring Fatigue Tester;Chair Height Adjustment Gas Spring Tester;Oil Seal Spring Tester;Oil Seal Spring Joint Strength Test;Waveform Sleeve Compression Tester;Seal Spring Testing Machine;Large Diameter Seal Spring Tester;Seal Element Spring Tester;Sealing Rings Spring Tester;Reciprocating Compressor Spring Test;Wiper Rings Spring Tester;Piston Pump Spring Tester;jn-syj.com;Piston Pump Spring Compression Tester;Hydraulic Axial Piston Pump Spring Tester;Cold Coil Conical Helical Spring Tester;Hermetic Compressor Spring Tester;Hermetic Motor Spring Tester;Bogie Coil Spring buffer Tester;Vibration Sieve Spring Load Tester;China Spring Tester;Asia Spring Tester;World Spring Tester;Various Testing Machine;Laboratory Equipment;China Material Tests;Asia Material Tests;World Material Tests;Mechanics Tester Manufacturer;Tester Service Center;Tester Fittings Supply Center;Test Accessories Design Manufacture Center;Special Test Accessories Center;Material Tester Attachment Fixture;
济南恒瑞金试验机有限公司;阀门弹簧试验机制造商;山东省力值硬度计量委员
(试验机服务中心)(试验机配件供应中心)(特殊夹具定制中心)
相关阅读
- GJB国军标弹簧规范及标准 HRJ2015-09-14
- GB/T13061-2017商用车空气悬架用空气弹簧技术规范Spring Tester2018-04-08
- TB/T211-2018机车车辆用压缩钢制螺旋弹簧Steel Helical Spring Test...2019-07-08
- GB/T23858-2009检查井盖(Manhole cover﹚分为人孔和非人孔两种;人孔规格尺寸...2015-03-23
- 压缩弹簧 什么时候加速度最大2013-04-23
- 2015环保部部令第33号 建设项目环境影响评价分类管理名录 (一)2015-04-21