Description

VALVES:The product has been awarded API6D Certification. The products are widely used in petroleum and petroleum products, natural gas, airport, chemical engineering, waste water, environment protection and urban pipe network as stop or adjustment medium. Summary Valve orifice plate pressure tapping Unit is one of the practical new patented products (patent number:ZL*******9.4). And flange pressure tapping is used (unless especially indicated), divided into senior, common and simple. Our company designs, produces and checks the pressure tapping unit and punched plate in accordance with JB/T******4(Valve Punched Plate Throttle Unit), which complies with GB/T******3 and SY/T********4. Performance Specification Transportation Medium: purified natural gas, sulfur-contained gas, gas, air, light oil etc. Medium Temperature: **9C~**1C Pressure Level: PN1.6~*6Mpa Caliber: DN*0~***0 Key Standard: GB, JB, SY etc. Material: carbon steel Performance Features  (1) The punched plate has seriously reliable installation precision, and it can measure accurately;  (2) Through on-line adjustment, the precision of the meter system will achieve Level A (Level 1.0) of Table A1 of GB/T*********1. And the maximum precision is Level 1.5 based on the precision and installation of the secondary instrument without adjustment;  (3) It is easy to operate. It is no need to change the pipelines when replacing the punched plates, esp, especially the senior throttle unit, it is be examined or replaced without any medium in 3 to 5 minutes.  (4) Reasonably structured and well sealed, safe and economical, the unit is an ideal matching product among the flowmeters.  (5) The manufacturer will provide the diagram of whole sets and the size of holes on the punched plate is decided by the customers.