Vacuum · United States
Welch
Welch is an Ingersoll Rand brand of laboratory and OEM vacuum pumps, including diaphragm, rotary vane and piston pumps.
Part of Gardner Denver's medical and laboratory pump business; Ingersoll Rand since the 2020 merger.
See all 71 models with OEM data- Status
- Active brand
- Parent company
- Ingersoll Rand
- Region
- North America
- Verified
- 2026-10-01
- Confidence
- high
- Profile
- Not yet claimed · Are you Welch?
Primary technologies
Known product families
WOB-L
Primary markets
laboratory · research · pharmaceutical · analytical instruments
In the catalogue
71 models with OEM dataBy technology
Ratings across the range
- Ultimate pressure
- 0.0001 – 0.02 mbar · 20
- Weight
- 5.31 – 100 kg · 18
- Motor power
- 0.3 – 2.2 kW · 13
- Noise level
- 50 – 58 dB(A) · 9
- Pumping speed
- 2.3 – 65 m³/h · 9
Product families
WOB-L® · 13CRVpro · 9DryFast · 8DuoSeal · 8High · 5Self · 4BTpro · 3ChemStar · 3CRVPro · 3Diaphragm · 2Dry · 21412C · 11412D · 11415C · 11417P-11 · 11417P-8 · 12019 · 12154B-01 · 1Belt · 1BTpro100 · 1Service · 1Two-Stage · 1
Data coverage
IR product pages via Firecrawl (own-model tables)
Coming next
- Full model range with sourced curves
- Manuals, parts lists and service intervals
- Authorised suppliers and service providers
- Replacement and cross-reference guidance
Also part of Ingersoll Rand