We thinks what clients think, the urgency of urgency to act from the interests of a purchaser position of principle, allowing for greater top quality, decrease processing costs, price ranges are much more reasonable, won the new and aged prospects the support and affirmation for sealol mechanical seal, BIA Mechanical Seal, M7N and HJ92N Wave Springs. We have a perfect quality control system to ensure the quality and delivery of products, from the customer to provide drawings to product delivery one-stop service, to truly save heart, trouble, time and cost. After years of operation and high-quality after-sales service, our company has a place in the market, and has been trusted and supported by some big customers. Since its establishment, on the basis of gradually improving management, our company has continuously developed new products based on the market. We regard environmental protection as the bottom line of law-abiding operation and the lifeline for survival.
Operating Limits:
● Temperature:-20℃ - +180℃
● Pressure:≤ 12bar
● Speed: ≤ 16m/s
● Shaft size: 16mm-120mm
Materials:
● Seal Rings: A,B,Q1/12,Q2/22, U1/12,U2/22
● Elastomer: VITON, EPDM, NBR
● Metal Part: SS304
Assembly Dwg:

Dimensions (mm):
| D1 | D3 | D7 | L | L1 |
| 16 | 34 | 30 | 33.3 | 8 |
| 18 | 36.8 | 32 | 33.3 | 8 |
| 20 | 38.8 | 34 | 33.3 | 8 |
| 22 | 41.5 | 36 | 33.3 | 8 |
| 25 | 44.8 | 39 | 34.3 | 8 |
| 28 | 48.5 | 43 | 34.3 | 8 |
| 30 | 52 | 48 | 34.3 | 8 |
| 35 | 57 | 53 | 40.3 | 10 |
| 40 | 67 | 58 | 44.3 | 10 |
| 45 | 73 | 63 | 46.3 | 10 |
| 50 | 79 | 68 | 51.3 | 10 |
| 55 | 84 | 73 | 53.3 | 12 |
| 60 | 90 | 79 | 53.3 | 12 |
| 65 | 98.5 | 86 | 61.36 | 12 |
| 70 | 103.5 | 91 | 64.3 | 12 |
| 75 | 110.5 | 96 | 63.3 | 12 |
| 80 | 120 | 105 | 70.3 | 14 |
| 85 | 125 | 110 | 70.3 | 14 |
| 90 | 132 | 115 | 70.3 | 14 |
| 95 | 137 | 120 | 70.3 | 14 |
| 100 | 144 | 125 | 76.3 | 14 |
| 110 | 157 | 135 | 78.3 | 16 |
| 120 | 169.5 | 145 | 88.3 | 16 |
*Related Introduction*
The basic elements of the mechanical seal:
End-face conflict pair: static and dynamic ring
Elastic components: springs, bellows, barriers, etc.
Auxiliary seals: O-rings, V-rings, wedge-shaped rings and other special-shaped sealing rings
Transmission parts: transmission pin, transmission ring, transmission seat, transmission sleeve, transmission key
Fastening parts: set screw, spring seat, gland, assembly sleeve, shaft sleeve
We always implement the business philosophy of "quality for survival, integrity for development", and enjoy a high reputation in the Hus137/Hus142 Gasoline Chainsaw Spare Part- Oil Seal Chain Saw Spare Parts 5200 Left Oil Seal in Good Quality H365/372 Oil Seal for Petrol Chainsaw Replacement industry in China. Goodwill is a brand advantage, a competitive advantage, and a precious intangible asset of an enterprise brand. We promote the team spirit of unity and cooperation to create harmony within the enterprise and form a strong driving force for its development.
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