Welch 1407K-15 DuoSeal Vacuum Pump Oil – 1 Gallon
Welch 1407K-15 DuoSeal Pump Oil is a premium-grade, high-performance vacuum pump oil specially formulated for Welch DuoSeal belt-drive rotary vane vacuum pumps, including popular models like the 1402 etc..
This 1-gallon container provides the exact oil Welch recommends for optimal performance, maximum vacuum depth, and extended pump life.
Key Features & Benefits:
- Optimized for DuoSeal Pumps – Designed specifically for Welch DuoSeal series to maintain deep vacuum (down to 0.001 Torr)
- Excellent Vapor Tolerance – Superior resistance to chemical vapors and moisture
- High Thermal Stability – Reduces oil breakdown and sludge formation
- Low Vapor Pressure – Helps achieve and hold better vacuum levels
- Extended Service Life – Proper oil maintenance significantly increases pump reliability
- Genuine Welch Quality – Official OEM oil (Part # 1407K-15)
Ideal For:
- Welch DuoSeal rotary vane vacuum pumps
- Laboratory vacuum systems
- Refrigeration service
- Vacuum ovens and degassing
- General industrial vacuum applications
Package Includes: 1 Gallon (3.785 Liters) of Welch DuoSeal Vacuum Pump Oil
Keep your Welch vacuum pump running at peak performance with genuine Welch 1407K-15 DuoSeal Oil. Always change oil regularly according to your pump’s maintenance schedule for best results.
Welch 1407K-15 DuoSeal Pump Oil is a premium-grade, high-performance vacuum pump oil specially formulated for Welch DuoSeal belt-drive rotary vane vacuum pumps, including popular models like the 1402 etc..
This 1-gallon container provides the exact oil Welch recommends for optimal performance, maximum vacuum depth, and extended pump life.
Key Features & Benefits:
- Optimized for DuoSeal Pumps – Designed specifically for Welch DuoSeal series to maintain deep vacuum (down to 0.001 Torr)
- Excellent Vapor Tolerance – Superior resistance to chemical vapors and moisture
- High Thermal Stability – Reduces oil breakdown and sludge formation
- Low Vapor Pressure – Helps achieve and hold better vacuum levels
- Extended Service Life – Proper oil maintenance significantly increases pump reliability
- Genuine Welch Quality – Official OEM oil (Part # 1407K-15)
Ideal For:
- Welch DuoSeal rotary vane vacuum pumps
- Laboratory vacuum systems
- Refrigeration service
- Vacuum ovens and degassing
- General industrial vacuum applications
Package Includes: 1 Gallon (3.785 Liters) of Welch DuoSeal Vacuum Pump Oil
Keep your Welch vacuum pump running at peak performance with genuine Welch 1407K-15 DuoSeal Oil. Always change oil regularly according to your pump’s maintenance schedule for best results.

