| Pressure: | High Pressure Mechanical Seals |
|---|---|
| Speed: | High-Speed Mechanical Seal |
| Temperature: | High Temperature Mechanical Seal |
| Performance: | High Pressure |
| Standard: | Standard |
| Customization: |
|---|
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Audited Supplier 
Double cartridge D metal mechanical Seal for pump
1. Sealcon T11,T12 is for John crane mechanical seal 10T,10R
2.Our seals can replace the original seals. we strictly follow DIN24960,ISO3069, EN12756,API628 sDouble cartridge D metal mechanical Seal for pumptandards.
3.If it is not the one you need ,you can pass us your pump model or your drawing ,material,shaft size for quotation.we can make whatever mechanical seal you need
4.Customized products and OEM is welcomed
5. We offer Factory Price,High Quality ,Fast Delivery and Best Sevice.
Performance Capabilities
| Temperature | -20ºC to 250ºC, depend on the elastomer |
| Pressure | Up to 25 bar |
| Speed | Up to 25 m/s |
| End play/axial float allowance | ±0.1mm |
| Sizes | 25mm to 100mm,1'' to 4'' |
| Sealcon |
Materials Combination
Face:Carbon, SiC, TC
Seat: Ceramic, SiC, TC
O-ring: NBR,EPDM,FKM etc
Spring: SS304, SS316
Metal parts: SS304, SS316
| specification | d | D | D1 | L1 | L2 | L3 | C | E |
| D21-25 | 25 | 43 | 105 | 53.4 | 33.1 | 25.4 | 62 | 13.2 |
| D21-28 | 28 | 46 | 105 | 53.4 | 33.1 | 25.4 | 62 | 13.2 |
| D21-30 | 30 | 48 | 105 | 53.4 | 33.1 | 25.4 | 65 | 13.2 |
| D21-32 | 32 | 49.8 | 108 | 53.4 | 33.1 | 25.4 | 67 | 13.2 |
| D21-33 | 33 | 49.8 | 108 | 53.4 | 33.1 | 25.4 | 67 | 13.2 |
| D21-35 | 35 | 53 | 113 | 53.4 | 33.1 | 25.4 | 70 | 13.2 |
| D21-38 | 38 | 56 | 123 | 53.4 | 33.1 | 25.4 | 75 | 14.2 |
| D21-40 | 40 | 58 | 123 | 53.4 | 33.1 | 25.4 | 75 | 14.2 |
| D21-42 | 42 | 60.5 | 133 | 53.4 | 33.1 | 25.4 | 80 | 14.2 |
| D21-43 | 43 | 60.5 | 133 | 53.4 | 33.1 | 25.4 | 80 | 14.2 |
| D21-45 | 45 | 62.5 | 138 | 53.4 | 33.1 | 25.4 | 81 | 14.2 |
| D21-48 | 48 | 65.6 | 138 | 53.4 | 33.1 | 25.4 | 84 | 14.2 |
| D21-50 | 50 | 68 | 148 | 53.4 | 33.1 | 25.4 | 87 | 14.2 |
| D21-53 | 53 | 72 | 148 | 53.4 | 33.1 | 25.4 | 97 | 18 |
| D21-55 | 55 | 73 | 148 | 53.4 | 33.1 | 25.4 | 90 | 18 |
| D21-60 | 60 | 78 | 157 | 53.4 | 33.1 | 25.4 | 102 | 18 |
| D21-65 | 65 | 84.8 | 163 | 53.4 | 33.1 | 25.4 | 109 | 18 |
| D21-70 | 70 | 93 | 178 | 53.4 | 33.1 | 25.4 | 118 | 18 |
| D21-75 | 75 | 100 | 190 | 63.9 | 44.1 | 28 | 129 | 18 |
| D21-80 | 80 | 106.4 | 195 | 63.9 | 44.1 | 28 | 135 | 18 |
| D21-85 | 85 | 109.5 | 198 | 63.9 | 44.1 | 28 | 139 | 22 |
| D21-90 | 90 | 115.9 | 205 | 63.9 | 44.1 | 28 | 145 | 22 |
| D21-95 | 95 | 119.1 | 208 | 63.9 | 44.1 | 28 | 148 | 22 |
| D21-100 | 100 | 125.4 | 218 | 63.9 | 44.1 | 28 | 154 | 22 |
| specification | d | D | D1 | L1 | L2 | L3 | C | E |
| D21-1" | 1 | 1.693 | 4.134 | 2.102 | 1.303 | 1 | 2.44 | 0.52 |
| D21-1.125" | 1.125 | 1.811 | 4.134 | 2.102 | 1.303 | 1 | 2.44 | 0.52 |
| D21-1.25" | 1.25 | 1.96 | 4.33 | 2.102 | 1.303 | 1 | 2.64 | 0.52 |
| D21-1.375" | 1.375 | 2.086 | 4.449 | 2.102 | 1.303 | 1 | 2.75 | 0.52 |
| D21-1.5" | 1.5 | 2.2 | 4.842 | 2.102 | 1.303 | 1 | 2.95 | 0.52 |
| D21-1.625" | 1.625 | 2.34 | 4.842 | 2.102 | 1.303 | 1 | 3.03 | 0.599 |
| D21-1.75" | 1.75 | 2.46 | 5.433 | 2.102 | 1.303 | 1 | 3.19 | 0.599 |
| D21-1.875" | 1.875 | 2.582 | 5.433 | 2.102 | 1.303 | 1 | 3.19 | 0.599 |
| D21-2" | 2 | 2.677 | 5.827 | 2.102 | 1.303 | 1 | 3.43 | 0.599 |
| D21-2.125" | 2.125 | 2.834 | 5.827 | 2.102 | 1.303 | 1 | 3.82 | 0.709 |
| D21-2.25" | 2.25 | 2.96 | 6.181 | 2.102 | 1.303 | 1 | 3.94 | 0.709 |
| D21-2.375" | 2.375 | 3.07 | 6.181 | 2.102 | 1.303 | 1 | 4.02 | 0.709 |
| D21-2.5" | 2.5 | 3.212 | 6.417 | 2.102 | 1.303 | 1 | 4.17 | 0.709 |
| D21-2.625" | 2.625 | 3.338 | 6.417 | 2.102 | 1.303 | 1 | 4.29 | 0.709 |
| D21-2.75" | 2.75 | 3.66 | 7.008 | 2.102 | 1.303 | 1 | 4.65 | 0.709 |
| D21-2.875" | 2.875 | 3.811 | 7.283 | 2.102 | 1.303 | 1 | 4.96 | 0.709 |
| D21-3" | 3 | 3.937 | 7.48 | 2.516 | 1.736 | 1.102 | 5.079 | 0.709 |
| D21-3.125" | 3.125 | 4.063 | 7.677 | 2.516 | 1.736 | 1.102 | 5.197 | 0.709 |
| D21-3.25" | 3.25 | 41.89 | 7.677 | 2.516 | 1.736 | 1.102 | 5.315 | 0.709 |
| D21-3.375" | 3.375 | 4.311 | 7.795 | 2.516 | 1.736 | 1.102 | 5.472 | 0.866 |
| D21-3.5" | 3.5 | 4.437 | 7.795 | 2.516 | 1.736 | 1.102 | 5.591 | 0.866 |
| D21-3.625" | 3.625 | 4.563 | 8.071 | 2.516 | 1.736 | 1.102 | 5.709 | 0.866 |
| D21-3.75" | 3.75 | 4.689 | 8.189 | 2.516 | 1.736 | 1.102 | 5.827 | 0.866 |
| D21-4" | 4 | 4.937 | 8.583 | 2.516 | 1.736 | 1.102 | 6.063 | 0.866 |
Our Factory has advanced CNC equipment and test equipment to control the mechanical seal quality. The products are in according with DIN24960, ISO3069, EN12756, API682 standards.
Q:Are you trading company or factory ?
A:We are a factory .
Q:Where is your factory located ?
A:our factorty is located in Jiande, Hangzhou .
Q:How long is your delivery.
A:For stock items ,we can ship them immediately after receive payment .
For other items,we will need 20 days for mass production.
Q:Do you provide free samples ?
A:Usually we do not provide free samples .There is a sample cost which can be refund after you place order .
Q:What do you usually shipped through?
A:Air freight, Sea freight,express are the most way of shipment due to small weight and size for precise products.
Q:What's your payment terms ?
A:We accept T/T, Paypal, Western Unionwhen qualified goods are ready for ship.
Also pay to Alibaba is welcome.
Q:I can not find our products in your catalog ,can you make customized products for us ?
A:Yes ,Customized products is available .
Q:I don't have drawing or picture available for custom products, could you design it?
A: Yes,we can make the best suitable design in accordance with your application.
Hangzhou Sealcon Fluid Machinery Co.,Ltd
Bella Liu
Suppliers with verified business licenses
Audited Supplier 
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