| Model | Nominal Diam |
Leakage Rate Pa.L L/S |
Conductanle L/S |
| GD-J32 | 32 | 1.33-6.67?0-3 | >20 |
| GD-J40 | 40 | 1.33-6.67?0-3 | >38 |
| GD-J50 | 50 | 1.33-6.67?0-3 | >60 |
| GD-J63 | 63 | 1.33-6.67?0-3 | >75 |
| GD-J80 | 80 | 1.33-6.67?0-3 | >172 |
| GD-J100 | 100 | 1.33-6.67?0-3 | >270 |
| GD-J125 | 125 | 1.33-6.67?0-3 | >500 |
| GD-J150 | 150 | 1.33-6.67?0-3 | >720 |
| GD-J160 | 160 | 1.33-6.67?0-3 | >860 |
| GD-J200 | 200 | 1.33-6.67?0-3 | >1350 |
| GD-J250 | 250 | 1.33-6.67?0-2 | >2000 |
| GD-J300 | 300 | 1.33-6.67?0-2 | >2700 |
| Model | DUZ-40 | DUZ-50 | DUZ-80 | DUZ-100 |
| Naminal Diam | 40 | 50 | 80 | 100 |
| Model |
Nominal Diam mm |
Leakage Rate L/S |
| GM-10 | 10 | 2.7?0-4 |
| GM-16 | 16 | 2.7?0-4 |
| GM-20 | 20 | 2.7?0-4 |
| GM-25 | 25 | 2.7?0-4 |
| GM-32 | 32 | 2.7?0-4 |
| Model |
Nominal Diam mm |
Cylinder Pressure |
Leakage Rate Pa.L/S |
|
| MPa | Kgf/cm? | |||
| GIQ-200 | 200 | 0.4-0.6 | 4-6 | 1.3?0-3 |
| GIQ-250 | 250 | 1.3?0-2 | ||
| GIQ-320 | 320 | 1.3?0-2 | ||
| GIQ-400 | 400 | 1.3?0-2 | ||
| Model |
Nominal Dian mm |
Conductanle L/S |
LeakageRate Pa.L/S |
| GIY-50 | 50 | >90 | <(1.3-6.7) ?0-3 |
| GIY-65 | 65 | >145 | <(1.3-6.7) ?0-3 |
| GIY-80 | 80 | >220 | <(1.3-6.7) ?0-3 |
| GIY-100 | 100 | >365 | <(1.3-6.7) ?0-3 |
| GIY-150 | 150 | >975 | <(1.3-6.7) ?0-3 |
| GIY-200 | 200 | >1830 | <(1.3-6.7) ?0-3 |
| GIY-250 | 250 | >2800 | 4?0-2 |
| GIY-300 | 300 | >3750 | 4?0-2 |
Manufacturer of: Vacuum pumps of spiral slice type, Rotary Piston vacuum pumps, Roots Vacuum pumps, Gas-Cooling Roots Vacuum pumps, Rotary Vane Vacuum Pumps, Water ring Vacuum Pumps, Reciprocating vacuum pumps and Vacuum valves and check values and other related vacuum products and system.
Hangzhou Ever-pump Vacuum Pumps Co., .We have the strongest development ability of vacuum pumps and vacuum equipments technologic
Company has advanced design, Advanced equipment, the largest vacuum pumps test center in China, also has already established the strict Q/C system as per ISO9001 standard.
There are total 25 major series of vacuum equipment, Our products are widely used in departments of metallurgical, building materials, petroleum, environmental, protein, chemical, medicine, textiles, food, aerospace, electronic, power, national defense industries and science research etc.