Overview
The Pentair K4502 diaphragm kit (model M2162) is a genuine OEM replacement assembly engineered for Goyen RCA45T2 and compatible T-Series pulse jet valves. This maintenance kit includes a 1.5″ double nitrile/akulon diaphragm with integral spring, designed to restore sealing performance in pneumatic diaphragm valves used across dust collection, filter cleaning, and reverse pulse applications.
Key Features
- 1.5″ port size — direct fit for Goyen RCA/CA 45 T-Series threaded port valves
- Double nitrile/akulon diaphragm — reinforced construction with chemical and thermal resistance
- OEM genuine part — manufactured to Pentair Goyen specifications
- Integrated spring — included in kit for complete valve rebuild
- Drop-in replacement — no modifications required; restores factory performance
Technical Specifications
- Part Number: K4502
- Alternate Part Number: M2162
- Valve Compatibility: RCA45T2, RCA 45 T-Series, CA 45 T-Series
- Diaphragm Size: 1.5 inch (38mm)
- Diaphragm Material: Nitrile/Akulon (reinforced)
- Body Material: Aluminum (diecast)
- Ferrule: 304 stainless steel
- Spring: 304 stainless steel
- Weight: 0.32 lbs
- Dimensions: 8 x 9 x 0.75 inches
- Recommended On-Time Range: 50–500 ms
- Recommended Pulse Interval: 1 minute or greater
Typical Applications
The Pentair K4502 is widely used in:
- Dust collection systems — bag filter, cartridge filter, and envelope filter cleaning
- Reverse pulse jet valve maintenance — ceramic filters, sintered metal fiber filters
- Industrial pneumatic systems — facilities, mills, foundries, and food processing plants
- HVAC and environmental control — air handling and filtration applications
Compatibility & Replacements
Compatible With
- Pentair Goyen RCA 45 T-Series pulse jet valves
- Goyen CA 45 T-Series diaphragm valves
- Goyen RCA45T2 threaded port assemblies
- DD Series and F Series valves with 1.5″ port diameter
- Dust collection solenoid valve systems
- Reverse pulse jet filter cleaning systems
Replaces / Drop-In Replacement For
- Original Pentair M2162 diaphragm assembly
- Worn or leaking RCA45T2 diaphragm seals
- OEM Goyen K4502 repair kits from first-generation valve installations
Works With
- Integral and remotely piloted Goyen pulse valves
- Q-Series solenoid control packages (refer to Q-Series documentation)
- Standard pneumatic control systems (50–500 ms on-time range)
- Industrial PLC and timer-based pulse jet control logic
















