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- Mechanical seal R-ZF
Mechanical seal R-ZF

Temperature: ≤ +260 ºC
Pressure: ≤ 2 MPa
Speed: ≤25 m/s
Materials:
- Rotary ring: SiC/Carbon/TC;
- Stationary ring: SiC/TC;
- Bellows: VITON/Encapsulated Ring/PTFE;
- Metal parts: SUS304/SUS316/Titanium/Hastelloy-C.
The R-ZF cartridge seal is a reliable, economical and durable seal designed specifically for the paper industry.
Of the features:
- does not require external cooling;
- single seal, with the use of sealing o-rings;
- the springs are securely isolated from the product, which prevents them from clogging;
- the seal has no moving parts on the shaft, so it can be installed directly on the shaft, without an additional sleeve;
- monolithic, non-pressed rubbing surfaces, low possibility of paper drying near friction pairs;
- when starting with high torque, a special design with a uniform distribution of loads and vibration damping prevents damage to the seal.
Application: Without additional modification of the pump suitable for Ahlstrom/APP/Sulzer/ABS Scan:
- 35 mm – Sulzer 1;
- 38 mm – ABS Scan 1;
- 40 mm – Sulzer 2;
- 45 mm - Sulzer 2;
- 48 mm - ABS Scan 2;
- 50 mm - Sulzer 3;
- 50 mm - KEST H;
- 55 mm - Sulzer 3;
- 60 mm - Sulzer 4;
- 60 mm - KEST L;
- 65 mm - Sulzer 4;
- 65 mm - ABS Scan 3;
- 70 mm - KEST P;
- 75 mm - ABS Scan 4;
- 80 mm - Sulzer 5;
- 85 mm - Sulzer 5;
- 85 mm - KEST R;
- 90 mm - Sulzer 6;
- 95 mm - Sulzer 6;
- 100 mm - ABS Scan 5.
Type: Chesterton ZF (Zero Flush seal).
| d (mm) | d26 | d1 | l1 | l2 | n | m | l3 | ||
| max | 10 mm | 12 mm | 16 mm | ||||||
| 35 | 118 | 60 | 39 | 34 | 95 | \ | \ | 12 | 20 |
| 38 | 137 | 95 | 39 | 34 | 114 | \ | \ | 12 | 20 |
| 40 | 128 | 70 | 39 | 34 | 105 | \ | \ | 12 | 20 |
| 45 | 128 | 70 | 39 | 34 | 105 | \ | \ | 12 | 20 |
| 48 | 147 | 105 | 39 | 34 | 124 | \ | \ | 12 | 20 |
| 50 | 150 | 85 | 39 | 34 | \ | 125 | \ | 18 | 20 |
| 50 | 150 | 85 | 39 | 34 | \ | \ | 145 | 18 | 20 |
| 55 | 150 | 85 | 39 | 34 | \ | 125 | \ | 14 | 20 |
| 60 | 160 | 95 | 39 | 34 | \ | 135 | 145 | 18 | 20 |
| 60 | 160 | 95 | 39 | 34 | \ | \ | \ | 18 | 20 |
| 65 | 160 | 102 | 50 | 46 | \ | 135 | \ | 14 | 26 |
| 65 | 173 | 131 | 50 | 46 | 150 | \ | \ | 12 | 26 |
| 70 | 200 | 117 | 50 | 46 | \ | \ | 175 | 18 | 26 |
| 75 | 183 | 140 | 50 | 46 | 160 | \ | \ | 12 | 26 |
| 80 | 199 | 122 | 50 | 46 | \ | \ | 170 | 18 | 26 |
| 85 | 199 | 122 | 50 | 46 | \ | \ | 170 | 18 | 26 |
| 85 | 199 | 132 | 50 | 46 | \ | \ | 190 | 18 | 26 |
| 90 | 209 | 132 | 50 | 46 | \ | \ | 180 | 18 | 26 |
| 95 | 209 | 132 | 50 | 46 | \ | \ | 180 | 18 | 26 |
| 100 | 213 | 171 | 50 | 46 | 190 | \ | \ | 12 | 26 |
Selection by parameters
Producer: BTS EngineeringClear
Pre-order only
Vendor code: 29058_100__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 100 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$1,676
$-88
$1,764 Pre-order only
Vendor code: 29058_35__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 35 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$587
$-31
$618 Pre-order only
Vendor code: 29058_38__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 38 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$637
$-34
$671 Pre-order only
Vendor code: 29058_40__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 40 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$671
$-35
$706 Pre-order only
Vendor code: 29058_45__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 45 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$755
$-39
$794 Pre-order only
Vendor code: 29058_48__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 48 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$805
$-42
$847 Pre-order only
Vendor code: 29058_50__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 50 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$838
$-44
$882 Pre-order only
Vendor code: 29058_55__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 55 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$922
$-49
$971 Pre-order only
Vendor code: 29058_60__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 60 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$1,006
$-53
$1,059 Pre-order only
Vendor code: 29058_65__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 65 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$1,090
$-57
$1,147 Pre-order only
Vendor code: 29058_70__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 70 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$1,173
$-62
$1,235 Pre-order only
Vendor code: 29058_75__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 75 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$1,257
$-66
$1,323 Pre-order only
Vendor code: 29058_80__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 80 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$1,341
$-71
$1,412 Pre-order only
Vendor code: 29058_85__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 85 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$1,425
$-75
$1,500 Pre-order only
Vendor code: 29058_90__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 90 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$1,509
$-79
$1,588 Pre-order only
Vendor code: 29058_95__SIC/SIC__VITON__304
| Producer | BTS Engineering |
| Shaft diameter | 95 |
| Rubber type | VITON |
| Stationary and rotating face | SIC/SIC |
| Material of metal part | 304 |
$1,592
$-84
$1,676 











































































































































