Yamada® Compatible Spare Parts – Diaphragm Pump Components
Flowland supplies reliable Yamada® compatible spare parts for air-operated double diaphragm pumps — including valve balls, valve seats, diaphragms, and O-rings. The correct material selection for your application is essential for consistent, high-performance operation.
Note: All components of an AODD pump must work together correctly. Regular inspection and timely replacement of valve seats, valve balls, diaphragms, O-rings, and hardware is essential to maintain pump performance and avoid unplanned downtime.
Available Yamada® Compatible Spare Parts
Valve Balls
Valve Seats
Diaphragms
O-Rings
Gaskets
Hardware Sets
Repair Kits
Valve Ball Material Selection Guide
Material
Recommended Application
FKM (Viton)
High-temperature applications and aggressive chemicals
Nitrile (Buna-N)
Petroleum, oil-based fluids, fuel, and gasoline
PTFE
Aggressive solvents, acids, and corrosive liquids
Neoprene
Non-aggressive general liquid applications
EPDM
Dilute acids and cold-condition environments
Santoprene™
General-purpose, wide chemical compatibility
Diaphragm & O-Ring Materials Available
Yamada-compatible diaphragms and O-rings are available in a wide range of materials. PTFE/TFM is recommended for aggressive liquids such as aromatic or chlorinated hydrocarbons, acids, ketones, and acetates.
PTFE / TFM
Santoprene™
Hytrel®
Polyurethane
Neoprene
Nitrile (NBR)
FKM (Viton)
EPDM
N-Fit
Why Source Yamada® Spare Parts from Flowland?
Yamada® compatible: Parts matched to original Yamada® specifications
Wide material range: PTFE, Santoprene™, Hytrel®, FKM, Nitrile, EPDM and more
Application-specific guidance: Expert support to select the right material
Individual parts or repair kits: Flexible sourcing for any maintenance need
Chemical compatibility: Materials tested for specific fluid and process conditions
Professional support: Our team is available for all Yamada® spare part enquiries
Frequently Asked Questions
Flowland supplies valve balls, valve seats, diaphragms, O-rings, gaskets, hardware sets, and repair kits compatible with Yamada® AODD pumps — available in PTFE, Santoprene™, Hytrel®, FKM, Nitrile, Neoprene, EPDM, and N-Fit materials.
FKM for high-temperature or aggressive chemical applications; Nitrile for petroleum and oil-based fluids; PTFE for aggressive solvents and acids; Neoprene for non-aggressive general use. Contact Flowland for a specific recommendation based on your fluid type.
Diaphragms should be inspected regularly and replaced at scheduled intervals following the manufacturer's recommendations. Repairs and replacements should always be carried out by qualified personnel to avoid damage to the pump.
Yamada PTFE O-rings offer excellent chemical resistance against aggressive acids, bases, alcohols, and oils. They are also highly resistant to both high and low temperatures, making them a versatile and reliable choice across many industries.
Flowland supplies high-quality Yamada® compatible aftermarket parts manufactured to meet or exceed OEM specifications. If you require original OEM Yamada® parts, please mention this when requesting a quote.
For questions about Yamada® valve balls, valve seats, diaphragms, O-rings, or hardware — please contact our professional team. We are happy to help find the right solution for your pump.
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