Welch S3193-99, Service Kit for CRVpro 16 Vacuum Pump
Welch CRVpro Service Kit for CRVpro 16 – S3193-99
The Welch S3193-99 Service Kit is a comprehensive major service/repair kit designed specifically for the Welch CRVpro 16 rotary vane vacuum pump.
This kit goes beyond a basic seal kit by including not only all necessary seals and O-rings, but also high-wear components such as vanes, vane springs, gas ballast valve parts, anti-suck back components, coupling elements, and other critical replacement parts.
Ideal for:
- Complete pump overhaul
- Major repair
- Restoring full vacuum performance and reliability
Kit Contents include (among others):
- Fore vanes & rear vanes
- Vane springs
- Multiple oil seals and O-rings
- Gasket, exhaust valve plate, gas ballast valve head
- Anti-suck back plate & spring
- Coupling element and more
Compatibility: Welch CRVpro 16 rotary vane vacuum pump
This is the recommended kit when performing a thorough repair or when the pump has high operating hours and requires more than just seals.
Key Features:
- Genuine Welch OEM parts
- Complete set for one full seal service
- Ideal for pump repair and overhaul

Welch CRVpro Vacuum Pump Repair Service
We provide expert repair services for Welch CRVpro rotary vane vacuum pumps.
Our full repair service includes:
- Complete disassembly and inspection
- Full oil flush and fresh oil refill
- Installation of genuine Welch seal kits
- Replacement of worn vanes, springs, and other high-wear components
- Reassembly, vacuum performance testing, and leak checking
Pumps are repaired at our facility and returned in excellent working condition using only genuine Welch parts.
Fast turnaround • Reliable results • Genuine parts
Contact us today to arrange shipping or request a quote.
Welch CRVpro Service Kit for CRVpro 16 – S3193-99
The Welch S3193-99 Service Kit is a comprehensive major service/repair kit designed specifically for the Welch CRVpro 16 rotary vane vacuum pump.
This kit goes beyond a basic seal kit by including not only all necessary seals and O-rings, but also high-wear components such as vanes, vane springs, gas ballast valve parts, anti-suck back components, coupling elements, and other critical replacement parts.
Ideal for:
- Complete pump overhaul
- Major repair
- Restoring full vacuum performance and reliability
Kit Contents include (among others):
- Fore vanes & rear vanes
- Vane springs
- Multiple oil seals and O-rings
- Gasket, exhaust valve plate, gas ballast valve head
- Anti-suck back plate & spring
- Coupling element and more
Compatibility: Welch CRVpro 16 rotary vane vacuum pump
This is the recommended kit when performing a thorough repair or when the pump has high operating hours and requires more than just seals.
Key Features:
- Genuine Welch OEM parts
- Complete set for one full seal service
- Ideal for pump repair and overhaul

Welch CRVpro Vacuum Pump Repair Service
We provide expert repair services for Welch CRVpro rotary vane vacuum pumps.
Our full repair service includes:
- Complete disassembly and inspection
- Full oil flush and fresh oil refill
- Installation of genuine Welch seal kits
- Replacement of worn vanes, springs, and other high-wear components
- Reassembly, vacuum performance testing, and leak checking
Pumps are repaired at our facility and returned in excellent working condition using only genuine Welch parts.
Fast turnaround • Reliable results • Genuine parts
Contact us today to arrange shipping or request a quote.


