LGB-type standard orifice 
 Standard orifice plate in line with international standard ISO5167 international standards GB/T362493 throttling device structure is the simplest, most widely used, most adaptable a. 
 Product Features: 
 ◆ simple bodies. Reliable, stable performance. 
 ◆ No need for calibration of large diameter pipeline flow measurement, eliminating the need for calibration fee. 
 ◆ Accuracy moderate, traffic control and regulation of the process. 
 ◆ to ensure the accuracy of the range is generally 3 to 4, not suitable for the measurement range is too large occasions. 
 Technical parameters 
 ◆ pressure: angle joint (ring chamber, separate drilling) to take pressure; flange pressure (preferred) 
 ◆ Nominal pressure: ≦ 32Mpa 
 ◆ Nominal pass through: 502600mm 
 ◆ Reynolds number range: ReD ≧ 5000