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Product Description
Wilger Nozzle Body Diaphragm Seal | 40155-23
The Wilger Nozzle Body Diaphragm Seal (40155-23) is a high-quality FKM molded rubber diaphragm designed to seal flow within the check valve of Wilger control modules. This all-in-one diaphragm is used in Wilger parts manufactured after 2019, providing a reliable, simplified replacement solution.
Engineered for durability and chemical resistance, this diaphragm replaces the older two-piece configuration (40155-07 + 20455-04), reducing installation complexity while maintaining precise flow control and leak prevention.
Key Features:
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All-in-One molded diaphragm design
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Made from durable FKM rubber for enhanced chemical and wear resistance
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Seals flow within the check valve of all Wilger control modules
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Designed for parts manufactured 2019 and newer
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Direct replacement for 40155-07 and 20455-04
Compatible With:
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Swivel Body
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Combo-Rate Body (Turret Replacement)
Installation Notes:
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Ensure the diaphragm is installed in the proper orientation
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Remove the pressure pad O-ring when using the 40155-23 diaphragm
The Wilger 40155-23 diaphragm seal helps ensure consistent performance, reduced leakage, and long service life in precision spraying applications—making it an essential replacement part for maintaining optimal nozzle body operation.
