Kress Air Brake Relay Valve 2:1 Ratio | 225146
KRESS 225146 pneumatic relay valve designed for air brake systems with 2:1 ratio control. Provides precise pressure control and signal amplification for heavy-duty braking applications.
The KRESS 225146 Relay Valve is a precision-engineered pneumatic control component designed specifically for air brake systems in heavy-duty industrial and transportation applications. This relay valve features a 2:1 pressure ratio configuration, providing reliable signal amplification and precise pressure control for optimal braking performance.
Manufactured by KRESS, a recognized leader in pneumatic brake control systems, this relay valve ensures consistent and dependable operation in demanding industrial environments. The valve's robust construction and precise internal mechanisms deliver accurate pressure modulation while maintaining system responsiveness and safety standards.
Availability
In stock
This part is in stock at Z Power Electric and ships from our Calimesa, California warehouse.
Catalog pricing
Add this item to your cart or contact Z Power Electric for quantity pricing, lead-time support, and backorder recovery.
- 30-day returnsOn standard orders
- 24-hour quoteFrom our sourcing team

Quick facts
- Brand
- KRESS
- Part number
- 225146
- Condition
- New
- Category
- Valves & Fluid Power
Product tags
Product overview
This new condition relay valve is ideal for applications requiring precise brake pressure control, including heavy machinery, industrial vehicles, and specialized transportation equipment. The 2:1 ratio design allows for efficient signal transmission while providing the necessary pressure multiplication for effective braking force application.
Built to withstand harsh operating conditions, the KRESS 225146 relay valve incorporates high-quality materials and proven design principles to ensure long service life and minimal maintenance requirements in critical braking applications.
Specifications
- Part Number
- 225146
- Pressure Ratio
- 2:1
- Application
- Air Brake Systems
- Valve Type
- Relay Valve
- Condition
- New
- Operating Medium
- Compressed Air
- Port Configuration
- Standard pneumatic
- Operating Pressure
- Verify with manufacturer specifications
- Temperature Range
- Verify with manufacturer specifications
- Weight
- Approximately 2-4 lbs
Key features
- 2:1 pressure ratio for precise brake control
- Heavy-duty construction for industrial applications
- Pneumatic signal amplification capability
- Designed for air brake systems
- New condition with full manufacturer specifications
- Compatible with standard air brake configurations
Part number breakdown
Part Number Breakdown:
225146 - KRESS proprietary part number for this specific relay valve configuration. The numbering system likely indicates:
225xxx series - Relay valve product family
146 - Specific model variant with 2:1 ratio and particular port configuration
Why buy from Z Power Electric
- Independent Sourcing — We source through independent channels to find parts others can't.
- Quality Assurance — Every part is inspected and verified before shipping.
- Fast Response — 24-hour quote turnaround on most requests.
- Global Reach — Serving maintenance teams and procurement managers worldwide.
Not what you're looking for? We source alternates, discontinued parts, and backordered inventory for urgent maintenance needs.
Request a quoteQuestions about this part
Where can I buy the KRESS 225146?
This part is in stock at Z Power Electric and ships from our Calimesa, California warehouse. Z Power Electric is an independent MRO supplier in Calimesa, California — we buy outside authorized distribution, which is why we can quote parts that a standard distributor shows as unavailable.
Is the KRESS 225146 discontinued or obsolete?
Manufacturer lifecycle status changes by part number and region, so we confirm it per quote rather than publishing a claim that may be out of date. Either way it does not change what we do: we source discontinued, obsolete, and backordered parts as a matter of course, and the quote states whether we located the original or are proposing an equivalent.
How long does it take to get a quote on the KRESS 225146?
We respond to every sourcing request within 24 hours, and the quote states a confirmed ship date rather than an estimate. Mark the request urgent if the part is holding up a line.
Is Z Power Electric an authorized KRESS distributor?
No — and that is the point. Z Power Electric is an independent supplier, so we are not limited to KRESS's authorized channel or its order book. We source through surplus, new-old-stock, and independent inventory, and we state the condition and source channel of every unit on the quote.
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