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Ningbo FIT Pump Seals Factory
BURGMANN H74-D DOUBLE SEALS. H74 DOULBE SEALS. BURGMANN H74D DOUBLE SEALS, China Burgmann H74D Double Mechanical Seals. Manufacturer
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| Model: | FTH74D |
| Place of Origin: | Zhejiang,China (Mainland) |
| Standard or Nonstandard: | Standard |
| Style: | Mechanical Seal |
| Material: | Silicone |
| Brand Name: | FIT |
| Function: | for Pump,Compressor |
| Certificate: | ISO9001 |
| Export Area: | Africa,East Asia,Europe |
| Payment & Shipping Terms | Supply Capacity | ||
|---|---|---|---|
| Unit Price: | 4.5 USD | Production Capacity: | 300 Sets/Month |
| Trade Term: | FOB,CFR,CIF | Packing: | Carton |
| Payment Terms: | Paypal, L/C, D/P, D/A, T/T, WU, Money Gram | Delivery Date: | 25days |
| Min. Order: | 5 Set/Sets | ||
| Means of Transport: | Ocean, Air, Land | ||
1)Pressure: ≤2.5Mpa
2)Temperature: -20 to +180
3)speed: ≤20m/s
4)Axial movement :
d1≤100 : ± 0.5 mm
d1>100 :± 2.0 mm
1> Multiple spring seal.
2>Double seal
3> Unbalanced
4>Independent of direction of rotation
Combination of materials
Sealing face: Carbon, Silicon carbide, Tungsten carbide
Secondary sealing: NBR, FKM, EPDM, FFKM
Metal component: SS304, SS316, Hast.C, Ti
Its designed functions are the same as H7 series. Except for the installation dimensions of drive base, the other installation dimensions (d1<100mm) are according to DIN24960. It is suitable for medium which can easily solidify or contain fiber or particle.
Combination of materials
These seals are highly reliable in performance. And popularly used in food,drink, dairy product and pharmacy industries.
| Size | d0 | D3 | D2 | D1 | L6 | L1 | L2 | L3 |
| 14 | 18 | 33 | 21 | 25 | 18 | 53.0 | 10.0 | 17.5 |
| 16 | 20 | 35 | 23 | 27 | 18 | 53.0 | 10.0 | 17.5 |
| 18 | 22 | 37 | 27 | 33 | 20 | 53.0 | 11.5 | 19.5 |
| 20 | 24 | 39 | 29 | 35 | 20 | 53.0 | 11.5 | 19.5 |
| 22 | 26 | 41 | 31 | 37 | 20 | 53.0 | 11.5 | 19.5 |
| 24 | 28 | 43 | 33 | 39 | 20 | 54.0 | 11.5 | 19.5 |
| 25 | 30 | 45 | 34 | 40 | 20 | 54.0 | 11.5 | 19.5 |
| 28 | 33 | 48 | 37 | 43 | 20 | 54.0 | 11.5 | 19.5 |
| 30 | 35 | 50 | 39 | 45 | 20 | 54.0 | 11.5 | 19.5 |
| 32 | 38 | 55 | 42 | 48 | 20 | 56.0 | 11.5 | 19.5 |
| 33 | 38 | 55 | 42 | 48 | 20 | 56.0 | 11.5 | 19.5 |
| 35 | 40 | 57 | 44 | 50 | 20 | 57.0 | 11.5 | 19.5 |
| 38 | 43 | 60 | 49 | 58 | 23 | 57.0 | 14.0 | 22.0 |
| 40 | 45 | 62 | 51 | 58 | 23 | 57.0 | 14.0 | 22.0 |
| 43 | 48 | 65 | 54 | 61 | 23 | 57.0 | 14.0 | 22.0 |
| 45 | 50 | 67 | 56 | 63 | 23 | 56.0 | 14.0 | 22.0 |
| 48 | 53 | 70 | 59 | 65 | 23 | 56.0 | 14.0 | 22.0 |
| 50 | 55 | 72 | 62 | 70 | 25 | 63.0 | 15.0 | 23.0 |
| 53 | 58 | 79 | 65 | 73 | 25 | 67.0 | 15.0 | 23.0 |
| 55 | 60 | 81 | 67 | 75 | 25 | 67.0 | 15.0 | 23.0 |
| 58 | 63 | 84 | 70 | 78 | 25 | 74.0 | 15.0 | 23.0 |
| 60 | 65 | 86 | 72 | 80 | 25 | 74.0 | 15.0 | 23.0 |
| 63 | 68 | 89 | 75 | 83 | 25 | 79.0 | 15.0 | 23.0 |
| 65 | 70 | 91 | 77 | 85 | 25 | 68.0 | 15.0 | 23.0 |
| 70 | 75 | 99 | 83 | 92 | 28 | 76.4 | 18.0 | 26.0 |
| 75 | 80 | 104 | 88 | 97 | 28 | 76.4 | 18.0 | 26.0 |
| 80 | 85 | 109 | 95 | 105 | 28 | 76.0 | 18.2 | 26.2 |
| 85 | 90 | 114 | 100 | 110 | 28 | 76.0 | 18.2 | 26.2 |
| 90 | 95 | 119 | 105 | 115 | 28 | 76.0 | 18.2 | 26.2 |
| 95 | 100 | 124 | 110 | 120 | 28 | 76.0 | 17.2 | 25.2 |
| 100 | 105 | 129 | 115 | 125 | 28 | 76.0 | 17.2 | 25.2 |
Double seals in the H74-D series have the same design-feature as the "H7N"family of single seals (easy-to-replace seal faces, ect.). Apart from the installation length of the drive collar, all fitting dimensions (<100mm) conform with DIN 24960. Development Ltd. is a mechanical seal manufacturer. We can provide many seal replacements of other brands like Burgmann, John Crane, Flowserve, AES.
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