It is recommended to obtain vacuum pumps for use with molbloc-S sonic molbloc nozzles and molstic-S mounting systems direct from vacuum pump manufacturers or vendors.
Below are some vacuum pumps that we have successfully used with our molbox/molbloc-S flow calibration system.
| Manufacturer | Model | Description |
| Agilent | Agilent DS602 | Vacuum pump kit up to 250 slm (up to 5E2-S) |
| Leybold | SOGEVAC SV 25 B | Vacuum pump kit up to 250 slm (up to 5E2-S) |
| Leybold | SOGEVAC SV 65 B | Vacuum pump kit up to 1000 slm (up to 5E3-S) |
Instruction sheets for use of Leybold SV25 or SV65 are here,
Installation and Use of Oerlikon Leybold SV25 Vacuum Pump for molbloc-S® Instruction Sheet
Installation and Use of Oerlikon Leybold SV65 Vacuum Pump for molbloc-S® Instruction Sheet
We offer this accessory kit to connect a vacuum pump to the outlet of a molbloc-S sonic nozzle or molstic-S mounting system.
Part Number: 3070902
Description: PK-MOL-S-VAC, DOWNSTREAM VACUUM CONNECT, MID/LO
Instruction sheet is at this link,
Installation and Use of Vacuum Pump Downstream Interconnect Kit for molbloc-S®
This figure from the interconnect kit instruction sheet shows what parts are included: KF40 tee, KF40 elbow, KF40 to KF25 adapter, KF25 to KF16 adapter, 5 meters (16 ft) of 1-1/2 inch hose with 6 KF40 fittings, KF40 shutoff valve, check valve with KF40 adapter. Sealing rings, clamps and over-pressure rings are included for all KF fittings.
Note that an adapter from the pump inlet fitting to KF40 is required (along with sealing ring and clamp).
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