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Subject: sleeve gen. 1Installation of throttle devicea. Make sure opening of throttle device and axes of pipe concentric, and plane of throttle device normal and axis of pipe vertical. b. Within 2D（D is inner diameter of pipe）length over throttle device，there should not be any protruded parts ( bulgy gasket or rough welding seam etc.). c. Installation of throttle device should be done according to regulated flow direction. Do not reverse it. d. It must keep enough length of straight pipe over throttle device. e. Length of straight pipe before throttle device：L1≥10D f. Length of straight pipe after throttle device：L2≥5D If there is a temperature measuring device before throttle device，L distance should be maintained between them and the L may be decided by diameter d’ of ***sleeve of thermometer кожух термометра? Спасибо! |
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