Welch 1399B-10 DUOSEAL Mounted without motor, 1.2 CFM
Welch 1399B-10 DuoSeal Mounted Vacuum Pump (Without Motor) – 1.2 CFM
The Welch 1399B-10 is a single-stage DuoSeal belt drive vacuum pump head (mounted, without motor). This compact pump delivers 1.2 CFM (34 L/min) free air displacement and is designed for applications that require strong roughing performance rather than extremely deep vacuum.
As part of Welch’s trusted DuoSeal series, the 1399B-10 features the classic low-RPM belt drive design that provides cooler operation, excellent durability, and easy maintenance. The large oil reservoir helps handle moderate vapor loads effectively.
Key Features – Welch 1399B-10
- Model: Welch 1399B-10 (Mounted Pump Head Only)
- Free Air Displacement: 1.2 CFM (34 L/min)
- Ultimate Vacuum: 1 × 10⁻² Torr (Single Stage)
- Technology: Single-Stage DuoSeal Rotary Vane
- Design: Belt Drive – Low RPM for long service life
- Motor: Not included (ideal for custom installations)
Best Applications for Welch 1399B-10
- Rough vacuum applications
- Vacuum filtration and aspiration
- Vacuum ovens (where very deep vacuum is not required)
- Gas sampling and transfer
- Backing pumps for higher vacuum systems
- General laboratory and light industrial use
The Welch 1399B-10 is an excellent choice when you need reliable single-stage performance with the durability of a DuoSeal belt drive pump. It offers a cost-effective solution for applications that do not require the deeper vacuum of two-stage models like the 1400 or 1402 series.
Chemtech Scientific offers genuine Welch DuoSeal pumps and provides full repair services, rebuild kits, and technical support.
Welch 1399B-10 DuoSeal Mounted Vacuum Pump (Without Motor) – 1.2 CFM
The Welch 1399B-10 is a single-stage DuoSeal belt drive vacuum pump head (mounted, without motor). This compact pump delivers 1.2 CFM (34 L/min) free air displacement and is designed for applications that require strong roughing performance rather than extremely deep vacuum.
As part of Welch’s trusted DuoSeal series, the 1399B-10 features the classic low-RPM belt drive design that provides cooler operation, excellent durability, and easy maintenance. The large oil reservoir helps handle moderate vapor loads effectively.
Key Features – Welch 1399B-10
- Model: Welch 1399B-10 (Mounted Pump Head Only)
- Free Air Displacement: 1.2 CFM (34 L/min)
- Ultimate Vacuum: 1 × 10⁻² Torr (Single Stage)
- Technology: Single-Stage DuoSeal Rotary Vane
- Design: Belt Drive – Low RPM for long service life
- Motor: Not included (ideal for custom installations)
Best Applications for Welch 1399B-10
- Rough vacuum applications
- Vacuum filtration and aspiration
- Vacuum ovens (where very deep vacuum is not required)
- Gas sampling and transfer
- Backing pumps for higher vacuum systems
- General laboratory and light industrial use
The Welch 1399B-10 is an excellent choice when you need reliable single-stage performance with the durability of a DuoSeal belt drive pump. It offers a cost-effective solution for applications that do not require the deeper vacuum of two-stage models like the 1400 or 1402 series.
Chemtech Scientific offers genuine Welch DuoSeal pumps and provides full repair services, rebuild kits, and technical support.