Hangzhou Bestseal International Trade Co., Ltd.
| Seal face | Silicon carbide (Q1), Carbon graphite resin impregnated (B), Tungsten carbide (U2) |
| Sliding velocity | vg = 10 m/s (33 ft/s) |
| Metal parts | CrNiMo steel (G), CrNiMo cast steel (G) |
| Sliding face material combination BQ1 Pressure | p1 = 25 bar (363 PSI) |
| Temperature | -40 °C ... 220 °C (-40 °F ... 428 °F) |
| Seat | Silicon carbide (Q1) |
| Packaging Details | Carton |
| Sliding face material combination Q1Q1 or U2Q1 Pressure | p1 = 20 bar (290 PSI) |
| Springs | Hastelloy® C-4 (M) |
| Supply Ability | 1000000/Month |
| Shaft diameter | d1 = 25 ... 100 mm (1.000" ... 4.000" |
| Delivery Time | 15 working days |
| Secondary seals | FKM (V), EPDM (E), FFKM (K), Perfluorocarbon rubber/PTFE (U1) |
| Standards and approvals | Compliant to TA Luft (German Clean Air Act) |
| Payment Terms | T/T,Western Union,D/P,D/A,L/C |
| Certification | ISO9001 |
| Model Number | Cartex Dual |
| Brand Name | BESTSEAL |
| Place of Origin | CHINA |
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Product Specification
| Seal face | Silicon carbide (Q1), Carbon graphite resin impregnated (B), Tungsten carbide (U2) | Sliding velocity | vg = 10 m/s (33 ft/s) |
| Metal parts | CrNiMo steel (G), CrNiMo cast steel (G) | Sliding face material combination BQ1 Pressure | p1 = 25 bar (363 PSI) |
| Temperature | -40 °C ... 220 °C (-40 °F ... 428 °F) | Seat | Silicon carbide (Q1) |
| Packaging Details | Carton | Sliding face material combination Q1Q1 or U2Q1 Pressure | p1 = 20 bar (290 PSI) |
| Springs | Hastelloy® C-4 (M) | Supply Ability | 1000000/Month |
| Shaft diameter | d1 = 25 ... 100 mm (1.000" ... 4.000" | Delivery Time | 15 working days |
| Secondary seals | FKM (V), EPDM (E), FFKM (K), Perfluorocarbon rubber/PTFE (U1) | Standards and approvals | Compliant to TA Luft (German Clean Air Act) |
| Payment Terms | T/T,Western Union,D/P,D/A,L/C | Certification | ISO9001 |
| Model Number | Cartex Dual | Brand Name | BESTSEAL |
| Place of Origin | CHINA | ||
| High Light | EagleBurgmann Cartex dual mechanical seal ，standard cartridge pump seals ，mechanical seals for pumps with warranty | ||
EagleBurgmann Cartex Dual Seal Standard Cartridge Mechanical Seals for Pumps
| Cartex-DN Dimensions | ||||||||||
| D1 | D2 | D3min | D3max | L | L12 | L2 | L3 | Dm | Dz | S |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 | 43.0 | 44.0 | 51.5 | 86.5 | 53.4 | 33.1 | 25.4 | 62 | 105 | 13.2 |
| 28 | 46.0 | 47.0 | 52.0 | 86.5 | 53.4 | 33.1 | 25.4 | 62 | 105 | 13.2 |
| 30 | 48.0 | 49.0 | 56.0 | 86.5 | 53.4 | 33.1 | 25.4 | 65 | 105 | 13.2 |
| 32 | 49.8 | 51.0 | 57.0 | 86.5 | 53.4 | 33.1 | 25.4 | 67 | 108 | 13.2 |
| 33 | 49.8 | 51.0 | 57.0 | 86.5 | 53.4 | 33.1 | 25.4 | 67 | 108 | 13.2 |
| 35 | 53.0 | 54.0 | 61.5 | 86.5 | 53.4 | 33.1 | 25.4 | 70 | 113 | 13.2 |
| 38 | 56.0 | 57.0 | 66.0 | 86.5 | 53.4 | 33.1 | 25.4 | 75 | 123 | 13.2 |
| 40 | 58.0 | 59.0 | 68.0 | 86.5 | 53.4 | 33.1 | 25.4 | 75 | 123 | 14.2 |
| 42 | 60.5 | 61.5 | 69.5 | 86.5 | 53.4 | 33.1 | 25.4 | 80 | 133 | 14.2 |
| 43 | 60.5 | 61.5 | 70.5 | 86.5 | 53.4 | 33.1 | 25.4 | 80 | 133 | 14.2 |
| 45 | 62.5 | 64.0 | 73.0 | 86.5 | 53.4 | 33.1 | 25.4 | 81 | 138 | 14.2 |
| 48 | 65.6 | 67.0 | 75.0 | 86.5 | 53.4 | 33.1 | 25.4 | 84 | 138 | 14.2 |
| 50 | 68.0 | 69.0 | 78.0 | 86.5 | 53.4 | 33.1 | 25.4 | 87 | 148 | 14.2 |
| 53 | 72.0 | 73.0 | 87.0 | 86.5 | 53.4 | 33.1 | 25.4 | 97 | 148 | 18.0 |
| 55 | 73.0 | 74.0 | 88.0 | 86.5 | 53.4 | 33.1 | 25.4 | 90 | 148 | 18.0 |
| 60 | 78.0 | 79.0 | 91.0 | 86.5 | 53.4 | 33.1 | 25.4 | 102 | 157 | 18.0 |
| 65 | 84.8 | 85.7 | 98.5 | 86.5 | 53.4 | 33.1 | 25.4 | 109 | 163 | 18.0 |
| 70 | 93.0 | 95.0 | 108.0 | 86.5 | 53.4 | 33.1 | 25.4 | 118 | 178 | 18.0 |
| 75 | 100.0 | 101.6 | 118.0 | 108.0 | 63.9 | 44.1 | 28.0 | 129 | 190 | 18.0 |
| 80 | 106.4 | 108.0 | 124.0 | 108.0 | 63.9 | 44.1 | 28.0 | 135 | 195 | 18.0 |
| 85 | 109.5 | 111.1 | 128.0 | 108.0 | 63.9 | 44.1 | 28.0 | 139 | 198 | 22.0 |
| 90 | 115.9 | 117.5 | 135.0 | 108.0 | 63.9 | 44.1 | 28.0 | 145 | 205 | 22.0 |
| 95 | 119.1 | 120.7 | 138.0 | 108.0 | 63.9 | 44.1 | 28.0 | 148 | 208 | 22.0 |
| 100 | 125.4 | 127.0 | 144.0 | 108.0 | 63.9 | 44.1 | 28.0 | 154 | 218 | 22.0 |
Shaft diameter: d1 = 25 ... 100 mm (1.000" ... 4.000"
Other sizes on request
Temperature: t= -40 °C ... 220 °C (-40 °F ... 428 °F)
(Check O-Ring resistance)
Sliding face material combination BQ1
Pressure: p1 = 25 bar (363 PSI)
Sliding velocity: vg = 16 m/s (52 ft/s)
Sliding face material combination Q1Q1 or U2Q1
Pressure: p1 = 20 bar (290 PSI)
Sliding velocity: vg = 10 m/s (33 ft/s)
Barrier fluid circulation system:
p3max = 25 bar (363 PSI)
Δp (p3 - p1)ideal = 2 ... 3 bar (29 ... 44 PSI),
7 bar (102 PSI) for barrier media with poor lubricating properties.
Pump startup:
Δp (p3 - p1)max = 25 bar (363 PSI) allowed
Recommended supply medium:
max. ISO VG 5
Axial movement: ±1.0 mm, d1 ≥75 mm ±1.5 mm
Seal face: Silicon carbide (Q1), Carbon graphite resin impregnated (B), Tungsten carbide (U2)
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), EPDM (E), FFKM (K), Perfluorocarbon rubber/PTFE (U1)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)
The EagleBurgmann QFT1000 buffer system and QFT2000 vessels are suitable for Cartex-DN in back-to-back arrangement. The EagleBurgmann TS1016 and TS2000 thermosiphon systems support double and back-to-back seal configurations.
Company Details
Business Type:
Manufacturer
Year Established:
2012
Total Annual:
3000-5000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
Our seals products factory is located in hangzhou city, zhejiang province. Founded in 2012, the company is a comprehensive sealing enterprise integrating sealing design, r & D, production, agency, storage and sales. The company has thirty field engineers who have been engaged in the s... Our seals products factory is located in hangzhou city, zhejiang province. Founded in 2012, the company is a comprehensive sealing enterprise integrating sealing design, r & D, production, agency, storage and sales. The company has thirty field engineers who have been engaged in the s...
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