Strong Ring Magnet with Hole

  • Model NO.: ss-007
  • Manufacturer: Ningbo Keke Magnet Co., Ltd.
  • Type: N35-N50, 35m-48m, 35h-45h, 35sh-45sh, 28uh-38uh
  • Coatings: Ni, Zn, Gold, Copper, Epoxy, etc
  • Hcj: 35koe
  • Specification: ROHS
  • HS Code: 85051110
  • Application: Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
  • Name: Neodymium Ring Magnet
  • Product Certificate: ISO/Ts 16949:2009
  • Hcb: 10.7koe
  • Trademark: COCO
  • Origin: Ningbo China Mainland
Strong ring magnet with hole Description:

1. Materials: Ne-Fe-B

2. Shape: Customized

3. Certificate: ISO/TSI6949: 2009

Specifications:

A. Materials: Neodymium-Ferrum-Boron;
B. Grades: N35-N54, 35M-52M, 33H-50H, 33SH-45SH, 30UH-42UH, 30EH-38EH, and 28AH-33AHB.
C. Coating: Various coatings to protect the magnets, such as Ni, Zn, gold, copper, epoxy, chemical, parylene and so on;
D. Shape: Block, Ring, Disc, Cylinder, Arc(Segment), Half Ring, and Customized Design;
E. Size: Customized size per your requirements, largest block length of 150mm, biggest ring of D220mm, smallest thickness of 0.5mm
F. Performance: High coercive force (Hcb) can reach 9.7kOe (772KA/M), the max operation temp (Tw) is up to 220 degree centigrade or 380 curie temperature;
G. Applications: Magnet Separators, Sensors, Motors, Rotors, Wind turbines, Wind generators, Loudspeakers, Magnetic hooks, Magnetic holder, Filters Automobiles Magnetic jewelries, toys, magnetic buttons, Magnetic therapy and so on;

Production process of Ring Neodymium Magnet Loudspeakers:
Raw Materials-->Mixture--->Vacuum Melting--- > Powder Production--- >Molding ---> Vacuum Sintering--- > Testing--- >Mechanical Processing--- > Surface Coating--- >Magnetized--- > Inspecting--- > Packing and Shipping.


NdFeB Permanent Magnet Directions of Magnetization:

A. Thickness Magnetized
B. Axially Magnetized
C. Diametrally Magnetized
D. Multi-poles magnetized
E. Radial Magnetized
F. Customized specific requirements magnetized
 

 

Technical Data of Sintered NdFeB Magnet
Grade Br Hcb Hcj (BH)max  (Tw)
mT (kGs) kA/m (kOe) kA/m (kOe) kJ/m3 (MGOe)
N35 1170-1220 (11.7-12.2) ≥ 868 (  ≥ 10.9) ≥ 955 (  ≥ 12) 263-287 (33-36) 80  º C
N38 1220-1250 (12.2-12.5) ≥ 899 (  ≥ 11.3) ≥ 955 (  ≥ 12) 287-310 (36-39) 80  º C
N40 1250-1280 (12.5-12.8) ≥ 907 (  ≥ 11.4) ≥ 955 (  ≥ 12) 302-326 (38-41) 80  º C
N42 1280-1320 (12.8-13.2) ≥ 915 (  ≥ 11.5) ≥ 955 (  ≥ 12) 318-342 (40-43) 80  º C
N45 1320-1380 (13.2-13.8) ≥ 923 (  ≥ 11.6) ≥ 955 (  ≥ 12) 342-366 (43-46) 80  º C
N48 1380-1420 (13.8-14.2) ≥ 923 (  ≥ 11.6) ≥ 876 (  ≥ 12) 366-390 (46-49) 80  º C
N50 1400-1450 (14.0-14.5) ≥ 796 (  ≥ 10.0) ≥ 876 (  ≥ 11) 382-406 (48-51) 60  º C
N52 1430-1480 (14.3-14.8) ≥ 796 (  ≥ 10.0) ≥ 876 (  ≥ 11) 398-422 (50-53) 60  º C
30M 1080-1130 (10.8-11.3) ≥ 796 (  ≥ 10.0) ≥ 1114 (  ≥ 14) 223-247 (28-31) 100  º C
33M 1130-1170 (11.3-11.7) ≥ 836 (  ≥ 10.5) ≥ 1114 (  ≥ 14) 247-263 (31-33) 100  º C
35M 1170-1220 (11.7-12.2) ≥ 868 (  ≥ 10.9) ≥ 1114 (  ≥ 14) 263-287 (33-36) 100  º C
38M 1220-1250 (12.2-12.5) ≥ 899 (  ≥ 11.3) ≥ 1114 (  ≥ 14) 287-310 (36-39) 100  º C
40M 1250-1280 (12.5-12.8) ≥ 923 (  ≥ 11.6) ≥ 1114 (  ≥ 14) 302-326 (38-41) 100  º C
42M 1280-1320 (12.8-13.2) ≥ 955 (  ≥ 12.0) ≥ 1114 (  ≥ 14) 318-342 (40-43) 100  º C
45M 1320-1380 (13.2-13.8) ≥ 995 (  ≥ 12.5) ≥ 1114 (  ≥ 14) 342-366 (43-46) 100  º C
48M 1360-1430 (13.6-14.3) ≥ 1027 (  ≥ 12.9) ≥ 1114 (  ≥ 14) 366-390 (46-49) 100  º C
50M 1400-1450 (14.0-14.5) ≥ 1033 (  ≥ 13.0) ≥ 1114 (  ≥ 14) 382-406 (48-51) 100  º C
30H 1080-1130 (10.8-11.3) ≥ 796 (  ≥ 10.0) ≥ 1353 (  ≥ 17) 223-247 (28-31) 120  º C
33H 1130-1170 (11.3-11.7) ≥ 836 (  ≥ 10.5) ≥ 1353 (  ≥ 17) 247-271 (31-34) 120  º C
35H 1170-1220 (11.7-12.2) ≥ 868 (  ≥ 10.9) ≥ 1353 (  ≥ 17) 263-287 (33-36) 120  º C
38H 1220-1250 (12.2-12.5) ≥ 899 (  ≥ 11.3) ≥ 1353 (  ≥ 17) 287-310 (36-39) 120  º C
40H 1250-1280 (12.5-12.8) ≥ 923 (  ≥ 11.6) ≥ 1353 (  ≥ 17) 302-326 (38-41) 120  º C
42H 1280-1320 (12.8-13.2) ≥ 955 (  ≥ 12.0) ≥ 1353 (  ≥ 17) 318-342 (40-43) 120  º C
45H 1300-1360 (13-13.6) ≥ 963 (  ≥ 12.1) ≥ 1353 (  ≥ 17) 326-358 (43-46) 120  º C
48H 1370-1430 (13.7-14.3) ≥ 995 (  ≥ 12.5) ≥ 1353 (  ≥ 17) 366-390 (46-49) 120  º C
30SH 1080-1130 (10.8-11.3) ≥ 804 (  ≥ 10.1) ≥ 1592 (  ≥ 20) 223-247 (28-31) 150  º C
33SH 1130-1170 (11.3-11.7) ≥ 844 (  ≥ 10.6) ≥ 1592 (  ≥ 20) 247-271 (31-34) 150  º C
35SH 1170-1220 (11.7-12.2) ≥ 876 (  ≥ 11.0) ≥ 1592 (  ≥ 20) 263-287 (33-36) 150  º C
38SH 1220-1250 (12.2-12.5) ≥ 907 (  ≥ 11.4) ≥ 1592 (  ≥ 20) 287-310 (36-39) 150  º C
40SH 1240-1280 (12.5-12.8) ≥ 939 (  ≥ 11.8) ≥ 1592 (  ≥ 20) 302-326 (38-41) 150  º C
42SH 1280-1320 (12.8-13.2) ≥ 987 (  ≥ 12.4) ≥ 1592 (  ≥ 20) 318-342 (40-43) 150  º C
45SH 1320-1380 (13.2-13.8) ≥ 1003 (  ≥ 12.6) ≥ 1592 (  ≥ 20) 342-366 (43-46) 150  º C
28UH 1020-1080  (10.2-10.8) ≥ 764 (  ≥ 9.6) ≥ 1990 (  ≥ 25) 207-231 (26-29) 180  º C
30UH 1080-1130  (10.8-11.3) ≥ 812 (  ≥ 10.2) ≥ 1990 (  ≥ 25) 223-247 (28-31) 180  º C
33UH 1130-1170 (11.3-11.7) ≥ 852 (  ≥ 10.7) ≥ 1990 (  ≥ 25) 247-271 (31-34) 180  º C
35UH 1180-1220 (11.8-12.2) ≥ 860 (  ≥ 10.8) ≥ 1990 (  ≥ 25) 263-287 (33-36) 180  º C
38UH 1220-1250 (12.2-12.5) ≥ 876 (  ≥ 11.0) ≥ 1990 (  ≥ 25) 287-310 (36-39) 180  º C
40UH 1240-1280 (12.5-12.8) ≥ 899 (  ≥ 11.3) ≥ 1990 (  ≥ 25) 302-326 (38-41) 180  º C
28EH 1040-1090 (10.4-10.9) ≥ 780 (  ≥ 9.8) ≥ 2388 (  ≥ 30) 207-231 (26-29) 200  º C
30EH 1080-1130 (10.8-11.3) ≥ 812 (  ≥ 10.2) ≥ 2388 (  ≥ 30) 223-247 (28-31) 200  º C
33EH 1130-1170 (11.3-11.7) ≥ 836 (  ≥ 10.5) ≥ 2388 (  ≥ 30) 247-271 (31-34) 200  º C
35EH 1170-1220 (11.7-12.2) ≥ 876 (  ≥ 11.0) ≥ 2388 (  ≥ 30) 263-287 (33-36) 200  º C
38EH 1220-1250 (12.2-12.5) ≥ 899 (  ≥ 11.3) ≥ 2388 (  ≥ 30) 287-310 (36-39) 200  º C
28AH 1040-1090 (10.4-10.9) ≥ 787 (  ≥ 9.9) ≥ 2624 (  ≥ 33) 207-231 (26-29) 230  º C
30AH 1080-1130 (10.8-11.3) ≥ 819 (  ≥ 10.3) ≥ 2624 (  ≥ 33) 223-247 (28-31) 230  º C
33AH 1130-1170 (11.3-11.7) ≥ 843 (  ≥ 10.6) ≥ 2624 (  ≥ 33) 247-271 (31-34) 230  º C

Coriolis Mass Flow Meter

Sealand is a trustworthy manufacturer of Coriolis mass flow meter, Coriolis mass flowmeter, Coriolis meter, Coriolis flow meter and Coriolis flowmeter, ATEX, CE & IECEx approved.


The flow meter size covers from DN03 to DN150, and bigger models are being developed. The main specification is as follows.

Model No.

Diameter

(mm)

Max. flow rate

(kg/min)

MWP.

(MPa)

Accuracy grade

Zero stability

(kg/h)

CG-06

06

18

4

0.1, 0.15, 0.2

0.04

CNG-15/CG-15

15

70/50

25

0.1, 0.15, 0.2

0.19/0.12

CG-25

25

200

4

0.1, 0.15, 0.2

0.62

CG-50

50

1000

4

0.1, 0.15, 0.2

2.38

CG-80

80

3000

4

0.1, 0.15, 0.2

7.05

CG-100

100

5000

4

0.1, 0.15, 0.2

12

CG-150 150 8000. 4 0.1, 0.15, 0.2 50

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Zhejiang Sealand Technology Co., Ltd. , https://www.sealandflowmeter.com