Zhejiang Sealand Technology Co., Ltd. is a trustworthy manufacturer of Natural Gas Mass Flow Meter, Natural Gas Mass Flowmeter, Natural Gas Coriolis Meter, Natural Gas Coriolis Mass Flow Meter, ATEX, IECEx & CE approved.
First, Sealand meter is certified by Zhejiang Institute of Metrology. To get such
certificate, Sealand has to send all models to Zhejiang Institute of Metrology
and all models are tested in their calibration lab. The lab is an ISO/IEC
17025:2005 standard lab approved by CNAS (China National Accreditation
Service for Conformity Assessment). CNAS is a member of ILAC (International
Laboratory Accreditation Cooperation).
Second, Sealand has its own calibration lab, equipped with METTLER
TOLEDO scales with accuracy 0.014% and the device extended uncertainty is
0.05%. The lab is also approved by Zhejiang Institute of Metrology. This
certificate will stay valid only for one year, Zhejiang Institute of Metrology will
send their professor to Sealand every year to check and make sure that the lab
is qualified still and then issue new certificate. During the production, each
meter will be calibrated in this lab for 3 times, each time at 5 different flow rate.
Finally, Sealand also gets ISO, CE, SIL, ATEX & IECEx. Sealand is the only
Chinese brand who gets ATEX & IECEx and it is from TUV SUD ( the most
authoritative institute for ATEX).
Name of product specification Materials Steel factory / origin Today's price (yuan/ton) Yesterday's price (yuan/ton) Change (yuan/ton) Welded pipe 1 inch 3mm Lida/Huaqi 3720-3730 3720-3730 constant Welded pipe 1.25 inch 3.25mm Lida/Huaqi 3700-3710 3700-3710 constant Welded pipe 1.5 inch 3.25mm Lida/Huaqi 3600-3610 3600-3610 constant Welded pipe 2 inches 3.5mm Lida/Huaqi 3600-3610 3600-3610 constant Welded pipe 2.5 inch 3.75mm Lida/Huaqi 3600-3610 3600-3610 constant Welded pipe 3 inches 3.75mm Lida/Huaqi 3600-3610 3600-3610 constant Welded pipe 4 inch 3.75mm Lida/Huaqi 3600-3610 3600-3610 constant Welded pipe 5 inch 4.0mm Lida/Huaqi 3600-3610 3600-3610 constant Welded pipe 6 inches 4.0mm Lida/Huaqi 3750-3800 3750-3800 constant Welded pipe 8 inches 5mm Lida/Huaqi 3750-3800 3750-3800 constant Seamless tube 133*4.5 20# Angang 4700 4700 constant Seamless tube 159*5 20# Angang 4750 4750 constant Seamless tube 325*9 20# Baogang 5350 5350 constant Seamless tube 273*8 20# Baogang 5300 5300 constant Seamless tube 377*10 20# Baogang 6300 6300 constant
Natural Gas Mass Flow Meter, Natural Gas Mass Flowmeter, Natural Gas Coriolis Meter, Natural Gas Coriolis Mass Flow Meter
Zhejiang Sealand Technology Co., Ltd. , https://www.sealandflowmeters.com