• products have good quality, advanced process, stable mechanical properties, high abrasion resistance and corrosion resistance.
  • various sealing rings with complicated shape, either blanks or finished products can be provided.

Shapes and Figures of Mechanical Seal Ring

SHAPE FIGURE SHAPE FIGURE
Flat ring See the Figure Other seal rings See the Figure
With outer shoulder See the Figure See the Figure
With inner shoulder See the Figure See the Figure
With inner-outer shoulder See the Figure See the Figure
With groove See the Figure See the Figure
D:10-600   d:5-500   H:3-50 D:10-600   d:5-500   H:3-50
  • Other processing: chamfer, end face R or rectangular radial grooves, pin holes for face rotation-prevention, ex-circle axial rotation prevention R or rectangular grooves, other shapes of end face, polishing.

PH15 Series Blanks

Type Dimension (mm) Draft
D d H
PH15-20 29.0 20.0 5
PH15-22 31.0 22.0 5.5
PH15-25 34.0 25.0 5.5
PH15-30 37.0 30.0 5.5
PH15-35 42.0 35.0 5.5
PH15-40 48.0 40.0 5.5
PH15-45 56.0 45.0 5.5
PH15-50 61.0 50.0 6.5
PH15-55 68.0 55.0 6.5
PH15-60 70.0 60.0 6.5
PH15-65 78.0 65.0 6.5
PH15-80 94.0 80.0 7.5
PH15-90 106.0 90.0 7.5
PH15-100 114.0 100.0 8.0


WT Series Blanks

Type Dimension (mm) Draft
D d D1 D2 H h
WT-20 30.5 21.0 27.0 23.0 4.8 1.7
WT-25 35.5 26.0 32.5 28.0 5.5 1.7
WT-30 40.5 31.0 38.5 33.0 5.5 1.7
WT-35 45.5 36.0 43.0 38.0 6.0 1.7
WT-40 52.5 41.0 49.0 43.0 6.5 1.7
WT-45 58.5 46.0 54.0 48.0 7.0 2.0
WT-50 64.5 51.0 60.0 53.0 8.0 2.0
WT-55 69.5 56.0 65.0 58.0 8.0 2.0
WT-60 72.5 61.0 70.0 63.0 8.0 2.0


WTR Series Finished Products

Type Dimension (mm) Draft
d d1 D C H h n-R
WTR-19 19.0 23.0 27.0 25.5 7.0 2.5 2-R2.5
WTR-21 21.0 25.0 29.0 27.5 7.0 2.5 2-R2.5
WTR-23 23.0 27.0 31.0 29.5 7.0 2.5 2-R2.5
WTR-25 25.0 29.0 33.0 31.5 7.0 2.5 2-R2.5
WTR-28 28.0 32.0 36.0 34.0 7.0 2.5 2-R3.0
WTR-31 31.0 36.0 40.0 38.0 7.0 2.5 2-R3.0
WTR-33 33.0 38.0 43.0 40.0 8.0 2.5 2-R2.5
WTR-38 38.0 43.0 47.0 45.0 8.0 2.5 2-R3.0
WTR-43 43.0 49.0 55.0 53.0 8.0 2.5 2-R3.0
WTR-48 48.0 54.0 59.6 57.6 9.0 3.0 2-R3.0
WTR-53 53.0 59.0 64.6 62.6 9.0 3.0 4-R4.0
WTR-58 58.0 65.0 69.6 67.6 9.0 3.0 4-R4.0
WTR-63 63.0 70.0 75.6 73.6 10.0 3.0 4-R4.0
WTR-68 68.0 75.0 81.6 79.0 10.0 3.0 4-R4.0
WTR-73 73.0 81.0 86.6 84.0 10.0 3.0 4-R4.0
WTR-78 78.0 85.0 91.6 89.0 10.0 3.0 4-R4.0
WTR-83 83.0 91.0 100.6 98.0 12.0 4.0 4-R4.0
WTR-88 88.0 97.0 105.6 103.0 12.0 4.0 4-R4.0
WTR-93 93.0 102.0 110.6 108.0 12.0 4.0 4-R4.0
WTR-98 98.0 107.0 115.6 113.0 12.0 4.0 4-R4.0
WTR-103 103.0 113.0 120.2 117.0 12.0 4.0 4-R4.0
WTR-113 113.0 123.0 133.2 130.0 12.0 4.0 4-R4.0
WTR-123 123.0 133.0 143.2 140.0 12.0 4.0 4-R4.0


Carbide Grade and Physical Property for Mechanical Seal Rings

Grade Main chemical compositions Modulus
Elasticity
(KN / mm²)		 Compressive
Strength
(N / mm²)		 Thermal
Conductivity
(W / m·K)		 Mean C.T.E Recommended
medium
WC Co Ni TiC Mo
YG6 94 6 - - - 630 5500 100 5.5×10-6/ K  
YG8 92 8 - - - 590 5200 90 5.8×10-6/ K
YG15 85 15 - - - 530 4600 70 6.2×10-6/ K
N100 94 - 6 - - 600 4500 90 5.3×10-6/ K  
N200 92 - 8 - - 570 4300 80 5.2×10-6/ K
TIP 81.5 8.5 10 - 530 4700 70 5.6×10-6 /K  
QT200 20 - 20 52 8 400 3400 25 7.8×10-6 /K
  • Note: For acid-resistant, alkali-resistant and corrosion-resistant conditions various grades can be supplied as required.

Technoloty condition
  • The depth for dropping side or angle of blanks should not be more than 0.3mm.
  • The flexibility should not be more than half of tolerance for relevant dimension.
  • Delamination, crackle, air hole, more or less sinter and so on disfigurements can't appear on the surface of blanks.
  • Fracture appearance should be uniform without disfigurements such as black center, air hole, delamination, crackle, cementite and carbon lacking and so on.
  • Porosity is less than A04B04C04

Test regulation
  • Test regulation and method of blanks meet GB/T 5242-1985.
  • The test regulation and method should be accorded if raw material or manufacturing technology is changed.