Metal Bellows Mechanical Seal Types 715 John Crane China Made
Zhangjiagangshi Siriseal Mechanical Seal Co., Ltd.
Jiangsu, China
Last Login Date:
Jul 29, 2025
Business Type:
Manufacturer/Factory
Main Products:
Mechanical Seals, Pump Seals, Bellow Seals, Component Seals, Cartridge Seals, Agitator Seals, Oil Seal, Silicon Seal, Water Seal
Product Description
Company Info
Basic Info.
Product Description
Suggested Operation Limits
Temperature: -20ºC-400ºC
Speed: <=20M/S
Pressure: <=2.5Mpa
Size: 30mm-100mm
Combined Material
Rotary Face: Carbon/SIC/TC
Stat Ring: SIC/TC/CER
Seat Type: Standard SRS-SA
This seal can replace with Johncrane type 609.
Design Features:
1. Edge-welded metal bellows
2. Elastomer-free design
3. Standard components
4. Available in single or dual cartridge arrangements
5. Available with double-ply bellows
Applications:
1. Aqueous solutions Aromatic
2. Fractionation products (benzene, toluene, solvents, etc.)
3. Crude oil fractionation products (fuel oil, lubricating oil, gasoline, etc.)
4. Heat transfer fluids
This type seal is ideal for heat transfer, hydrocarbon and other applications that commonly use pumps with limited seal chamber clearances. Typical applications include hot hydrocarbons, aqueous solutions, aromatic fractionation products, crude oil fractionation products and heat transfer fluids.
SIZE/METRIC | D1 | D2 | L | L1 |
1.000 | 38.90 | 41.28 | 44.45 | 11.1 |
1.125 | 42.10 | 44.45 | 44.45 | 11.1 |
1.250 | 45.20 | 47.63 | 44.45 | 11.1 |
1.375 | 49.20 | 50.80 | 44.45 | 11.1 |
1.500 | 54.00 | 53.98 | 50.80 | 11.1 |
1.625 | 57.15 | 60.33 | 50.80 | 12.7 |
1.750 | 60.33 | 63.50 | 50.80 | 12.7 |
1.875 | 63.50 | 66.68 | 50.80 | 12.7 |
2.000 | 66.68 | 69.85 | 50.80 | 12.7 |
2.125 | 69.85 | 76.20 | 50.80 | 14.3 |
2.250 | 73.03 | 79.38 | 50.80 | 14.3 |
2.375 | 76.20 | 82.55 | 50.80 | 14.3 |
2.500 | 79.40 | 85.73 | 50.80 | 14.3 |
2.625 | 82.60 | 85.73 | 50.80 | 15.9 |
2.750 | 92.10 | 88.90 | 57.15 | 15.9 |
2.875 | 95.30 | 95.25 | 57.15 | 15.9 |
3.000 | 98.40 | 98.43 | 57.15 | 15.9 |
3.125 | 101.60 | 101.60 | 57.15 | 19.8 |
3.250 | 104.78 | 104.78 | 57.15 | 19.8 |
3.375 | 110.30 | 107.95 | 57.15 | 19.8 |
3.500 | 113.50 | 111.13 | 57.15 | 19.8 |
3.625 | 116.70 | 114.30 | 57.15 | 19.8 |
3.750 | 119.80 | 117.48 | 57.15 | 19.8 |
3.875 | 123.00 | 120.65 | 60.33 | 19.8 |
4.000 | 126.2 | 123.83 | 60.33 | 19.8 |