
*图片显示比较试验,Velan对比其他品牌
*Photo shows comparison test, Velan versus competition.
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测试条件
TEST CONDITIONS
测试介质
Test Medium: |
丙烷,压力115 psi
环境温度
Propane at 115 psi,
ambient temperature |
仪器
Instrument: |
组合蒸汽分析仪
OVA-108,范围1-10,000/百万
Organic vapor analyzer
OVA-108, range 1-10,000 ppm |
阀门种类
Valve Type: |
API 602,800磅级闸阀
API 602 class 800 gate valve |
通径:
Sizes: |
DN15 - DN50
1/2" - 2" |
填料:
Packing: |
石墨
Graphite |
垫圈:
Gasket: |
316不锈钢螺线和石墨
Spiral wound SS 316 and graphite |
部件:
Trim: |
楔板:13 CR,阀座:钨铬钴合金
Wedge: 13 CR, Seat: Stellite |
数量:
Quantity: |
15个阀门
15 valves |
测试结果:15个闸阀,DN15 - DN50
TEST RESULTS: 15 GATE VALVES 1/2-2"
API 598测试:
API 598 test: |
所有阀门零泄漏
All valves zero leakage |
甲烷测试:
Methane test: |
所有阀门零泄漏
All valves zero leakage |
测试次数
(1000次)
Cycling test
(1000 cycles) |
垫圈:零泄漏
填料:零泄漏
Gasket: 0 ppm
Packing: 0 ppm |
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