Standard orifice plate is one product of the throttle device which has simple structure,installation convenient,and has the most adaotable,its design manufacture and use are suitable for international standards ISO5167 or GB/T rules

Standard oriface plate:
1.Simple structure,strong,convenient installation.Tt can measured all kinds of flow of gas,steam and liquid,and wide usage.Don`t need real flow calibration,with moderrate precision;
2.There are 12 months warranty of our products from the date of original delivery, "three guarantees" service (return, replacement, warranty);
3.Your OEM orders are welcome. Customer's logo is available;

 Taking pressure mode: Corner joint(Ring chamber or drill hole alone)taking pressure,Flange taking pressure,D-D/2 taking pressure.

 Nominal pressure: ≤32MPa (when ≥20MPa,it can use high pressure lens oriface plate or welding type)

 Caliber: 50~1000mm(standard oriface plate) or 1000mm(planus oriface plate)

 Accuracy: ±1.0%

 Range of application: open hole diameter d(mm) : d ≥12.5

                                    open hole diameter rate  β : 0.1≤ β ≤ 0.75

                                    Reynolds number rangeReD :  0.1≤ β ≤ 0.75

                                    10⁷≥ReD ≥5000 and ReD ≥170 β²D; D can be use(mm) show

1.We have acquired ISO, CE,TUV and BQC and other International Certificate;
2.Our flowmeter obtain the APPEARANCE DESIGN PATENT, UTILITITY MODEL PATENT ETC which can distinguish our flowmeter from other suppliers;
3.We have our own QUALITY CONTROL SYSTEM, domestic unique largest-diameter calibration equipment checking ability from DN10 to DN2000; 0-10cubic and 0-65cubic Volumetric Standard;
4.30 years research & development capability; 20 years focus on flow instruments; 10 years professional engineers and technicians;
5.Our production line capacity can reach: 600sets/month electromagnetic flowmeter, 600sets/month vortex flowmeter, 500sets/month throttling device flowmeter which can fully satisfy our customer’s needs;
6.We have good relationship and agreement with many EXPRESS FORWARDERS, shipping company like MAERSK, COSCO, OOCL, APL ETC, that’s why we can get lower AIR FREIGHT & ocean freight to help you save the costs and win the market;
7. There are 12 months warranty of our products from the date of original delivery, "three guarantees" service (return, replacement, warranty);
8.Your OEM orders are welcome. Customer's logo is available.

About Qingtian
Kaifeng Qingtianweiye Flow Instrument Co.,Ltd. is a high- tech joint-stock enterprise.The company has powerful technical strength and ten professional technicians, our company mainly produce electromagnetic flowmeter series (Flanged,threaded,inserted,high pressure,submerged,sanitary etc),vortex flowmeter (Flanged,inserted,threaded,temperature-press compensation),throtting device flowmeter (standard orifice-plate,standard nozzle,V-cone,annular orifice-plate,venturi tube etc),open channel flowmeter,rotameter flowmeter,large,medium,small type Liquid flow standard facility.

We sincerely wish to hear from our customers and value your feedback.Here are ways to contact Qingtian.24 hours a day, 7 days a week.