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The 421-RF internal parts kit is a precision-engineered repair set designed specifically for normally open diaphragm valves in the AqMatic / AquaMatic series. This kit supplies all the critical internal components needed to restore valve functionality, reduce downtime, and extend service life.
$96.47
421-RF – INTERNAL PARTS KIT, NORMALLY OPEN VALVES
Kit Contains:
AqMatic – 1074149 – Disc Plate 421, SS
AqMatic – V42 – 421 Diaphragm Plate – SS
AqMatic Shaft Assembly 421,Part# 4510231
AqMatic – 1074123 – Shaft Guide, 421, SS
Features & Benefits
Full internal renewal
Replaces all key wear components in the internal mechanism, allowing your valve to return to like-new performance.
High-quality materials
All parts are made from stainless steel or other corrosion-resistant materials suited for aqueous and industrial environments.
Installation-ready
The parts are delivered ready for installation — no extra machining or modification is required, provided your valve is in standard configuration.
Cost-effective solution
Rather than purchasing a full new valve, this kit enables you to refurbish the existing unit at a lower cost.
| Weight | 1 lbs |
|---|---|
| Dimensions | 8 × 6 × 4 in |