Audited Supplier
John Crane Type 8B1:
The John Crane Type 8B1 is a seal, which can be categorized as a multi spring seal.It is an alternative to the Qseals QFMS20, AES M02SU, Flowserve M412LZ028 and 14 others.
It is suited for the Howden WRV204 Mk5E.
STRUCTURE DESCRIPTION
Replacement of John Crane 8B1 Oring pusher seal, multiple spring design, balanced seal.
We're commitment to offer you the competitive price, remarkable products excellent, also as fast delivery for mixer seals, EMU Cartridge Seals, Bornemann Cartridge Seals. We are advancing with the times on the new development road, and create brilliant hand in hand with you. We have a complete product development management system and professional design team.
Equivalent To:
AESSEAL M02S
JOHN CRANE 8B1
Operating Limits:
Temperature: -40ºC - +260ºC
Pressure:≤35bar
Speed: ≤ 25m/s
Shaft Size: 0.625" - 6"
Materials:
Seal Rings: Resin Carbon, Antimony Carbon, SIC, SSIC, Tungsten Carbide
Elastomer: VITON, EPDM, NBR, FFKM, AFLAS
Metal Part: SS304, SS316, Duplex, Hastelloy C
Dimensions (Mm):
| size(inch) | D0 | D | D3 | D4 | D6 | D7 | L1 | L3 |
| 0.625 | 15.87 | 12.7 | 30.8 | 34 | 14.5 | 25.6 | 27 | 7.9 |
| 0.750 | 19.05 | 15.9 | 34 | 37 | 17.5 | 31.95 | 30 | 10.3 |
| 0.875 | 22.22 | 19.1 | 37.2 | 40 | 21 | 35.12 | 32 | 10.3 |
| 1.000 | 25.4 | 22.2 | 40.3 | 43 | 24 | 38.3 | 33 | 10.3 |
| 1.125 | 28.58 | 25.4 | 43.4 | 46 | 27.5 | 41.48 | 35 | 11.15 |
| 1.250 | 31.75 | 28.6 | 48.3 | 51 | 30.5 | 44.65 | 35 | 11.15 |
| 1.375 | 34.93 | 28.6 | 51.3 | 54 | 30.5 | 44.65 | 37 | 11.15 |
| 1.500 | 38.1 | 31.8 | 54.5 | 58 | 33.5 | 47.83 | 37 | 11.15 |
| 1.625 | 41.28 | 34.9 | 60.8 | 64 | 37.5 | 51 | 45 | 11.15 |
| 1.750 | 44.45 | 38.1 | 64 | 67 | 40 | 54.18 | 45 | 11.15 |
| 1.875 | 47.62 | 41.3 | 67.2 | 70 | 43.5 | 60.53 | 45 | 12.75 |
| 2.000 | 50.8 | 44.5 | 70.4 | 73 | 46.5 | 63.7 | 45 | 12.75 |
| 2.125 | 53.98 | 47.6 | 76.7 | 80 | 49.5 | 66.88 | 52 | 12.75 |
| 2.250 | 57.15 | 50.8 | 79.9 | 83 | 53 | 70.05 | 52 | 12.75 |
| 2.375 | 60.33 | 54 | 83.1 | 86 | 56 | 76.4 | 52 | 14.33 |
| 2.500 | 63.5 | 57.2 | 86.2 | 89 | 59 | 79.58 | 52 | 14.33 |
| 2.625 | 66.68 | 60.3 | 89.4 | 92 | 62.5 | 82.75 | 52 | 14.33 |
| 2.750 | 69.85 | 63.5 | 92.6 | 96 | 65.5 | 85.93 | 52 | 14.33 |
| 2.875 | 73.03 | 66.7 | 95.8 | 99 | 68.5 | 85.93 | 52 | 15.93 |
| 3.000 | 76.2 | 69.9 | 97.3 | 100 | 72 | 89.1 | 52 | 15.93 |
| 3.125 | 79.38 | 73 | 100.5 | 104 | 75 | 95.45 | 52 | 15.93 |
| 3.250 | 82.55 | 76.2 | 105.3 | 108 | 78.5 | 98.63 | 52 | 15.93 |
| 3.375 | 85.73 | 79.4 | 108.5 | 111 | 81.5 | 101.8 | 52 | 19.84 |
| 3.500 | 88.9 | 82.6 | 111.6 | 115 | 84.5 | 104.98 | 52 | 19.84 |
| 3.625 | 92.08 | 85.7 | 114.8 | 118 | 88 | 108.15 | 52 | 19.84 |
| 3.750 | 95.25 | 88.9 | 118 | 121 | 91 | 111.33 | 52 | 19.84 |
| 3.875 | 98.43 | 92.1 | 121.2 | 124 | 94 | 114.5 | 52 | 19.84 |
| 4.000 | 101.6 | 95.3 | 124.3 | 127 | 97.5 | 117.68 | 52 | 19.84 |
| 4.125 | 104.78 | 98.4 | 127 | 134 | 100.5 | 120.85 | 52.4 | 19.84 |
| 4.250 | 107.95 | 101.6 | 133.4 | 137 | 103.5 | 124.03 | 52.4 | 19.84 |
| 4.375 | 111.13 | 104.8 | 136.5 | 140 | 107 | 130.38 | 52.4 | 19.84 |
| 4.500 | 114.3 | 107.9 | 139.7 | 143 | 110 | 133.55 | 52.4 | 19.84 |
| 4.625 | 117.48 | 111.1 | 142.9 | 146 | 110 | 133.55 | 52.4 | 19.84 |
| 4.750 | 120.65 | 114.3 | 146.1 | 149 | 113.5 | 136.72 | 52.4 | 19.84 |
| 4.875 | 123.83 | 117.4 | 149.2 | 153 | 116.5 | 139.9 | 52.4 | 19.84 |
| 5.000 | 127 | 120.6 | 152.4 | 156 | 119.5 | 143.08 | 52.4 | 19.84 |
| 5.125 | 130.18 | 123.8 | 155.6 | 159 | 122.5 | 146.25 | 52.4 | 19.84 |
| 5.250 | 133.35 | 127 | 165.1 | 168 | 126 | 149.43 | 60.3 | 19.84 |
| 5.375 | 136.53 | 130.2 | 168.28 | 171.45 | 129 | 152.6 | 60.3 | 19.84 |
| 5.500 | 139.7 | 133.3 | 171.5 | 175 | 132 | 155.77 | 60.3 | 19.84 |
| 5.625 | 142.88 | 136.5 | 174.6 | 178 | 135.5 | 158.95 | 60.3 | 19.84 |
| 5.750 | 146.05 | 139.7 | 177.8 | 181 | 138.5 | 162.12 | 60.3 | 19.84 |
| 5.875 | 149.23 | 142.9 | 181 | 184 | 141.5 | 165.3 | 60.3 | 19.84 |
| 6.000 | 152.4 | 146 | 184.2 | 188 | 145 | 168.47 | 60.3 | 19.84 |
We offer products and services to a wide range of mechanical seal users across the nation. We supply electric motor and pump repair shops, HVAC contractors, municipalities, utility companies (electric, power and water) and a variety of other distributors.We are always committed to the imported mechanical seals localization and have accumulated a wealth of experience .Our product range includes Component Seals, Metal Bellow Seals, Cartridge Seals, Agitator seals, Dry Gas Seals and Split Seals.To great our service, we present the products and solutions while using the very good top quality at the reasonable cost for Metal Bellow Mechanical Seals. To ensure you get what exactly youneed, our professional team will help you work through all the details straight to your target. With our powerful team support, you would not have to worry about anything. Our company establishes the management system in strict accordance with the requirements of international standards and makes detailed after-sales service commitment.
As Follows:
Our Warehouse
We are always committed to the imported mechanical seals localization and have accumulated a wealth of experience .
Our product range includes Component Seals, Metal Bellow Seals, Cartridge Seals, Agitator seals, Dry Gas Seals and Split Seals.
To great our service, we present the products and solutions while using the very good top quality at the reasonable cost for Metal Bellow Mechanical Seals. To ensure you get what exactly you need, our professional team will help you work through all the details straight to your target. With our powerful team support, you would not have to worry about anything. Our company establishes the management system in strict accordance with the requirements of international standards and makes detailed after-sales service commitment.
We are manufacturer.We are based in Hangzhou, China, start from 2010,sell to Domestic Market(33.00%),North America(15.00%),South America(10.00%),Western Europe(8.00%),Eastern Europe(6.00%),Souther Europe(6.00%),Southeast Asia(5.00%),Mid East(5.00%),Northern Europe(5.00%),Oceania(2.00%),South Asia(2.00%),Africa(00.00%),Eastern Asia(00.00%),Central America(00.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production; Always final Inspection before shipment;
3.what can you buy from us?
PTFE Seals/Oil Seals/O Rings/Rubber Seals/Plastic Seals/Mechanical Seal/O-RING/ RING Seals.
4. why should you buy from us not from other suppliers?
5. How long is your delivery time?
6.Do you provide samples ?
Spoken:English,Chinese,Japanese
For more information, please contact us. We look forward to your arrival
