Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

CONRADER RCB-M-HU-111-133 Piloted Unloader Valve - Piloted Unloader Valves for Air Compressors
CONRADERPiloted Unloader Valves for Air Compressors

CONRADER RCB-M-HU-111-133 Piloted Unloader Valve

The CONRADER Pilot Valve (MPN RCB-M-HU-111-133) is a piloted unloader valve for air compressors with a 1/4 in inlet size and 1/8 in outlet size. It features a brass construction and a minimum preset pressure of 111…

SKU 3G-OTH-154368

Also listed as: RCBMHU111133 · RCB M HU 111 133

Brand
CONRADER
Item
RCB-M-HU-111-133 Piloted Unloader Valve
Category
Piloted Unloader Valves for Air Compressors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CONRADER
Manufacturer Part Number
RCB-M-HU-111-133
Type
Brass
Outlet Size
1/8 in
Preset Pressure
111 psi Min

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

CONRADER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CONRADER Pilot Valve (MPN RCB-M-HU-111-133) is a piloted unloader valve for air compressors with a 1/4 in inlet size and 1/8 in outlet size. It features a brass construction and a minimum preset pressure of 111 psi. This valve is designed for use in air compressor systems requiring pilot-operated unloading.

Frequently Asked Questions

What is the CONRADER RCB-M-HU-111-133 pilot valve used for?

The CONRADER RCB-M-HU-111-133 is a piloted unloader valve for air compressors. It controls compressor unloading by diverting discharge air when the pilot signal is received, protecting the system from overpressure. Common in industrial compressed air systems requiring reliable pilot-operated unloading.

What are the specifications of the CONRADER RCB-M-HU-111-133 pilot valve?

The CONRADER RCB-M-HU-111-133 has a 1/4 in inlet size and 1/8 in outlet size, with a minimum preset pressure of 111 psi. It is constructed from brass and is a piloted unloader valve for air compressors. The manufacturer part number is RCB-M-HU-111-133.

Where to buy the CONRADER RCB-M-HU-111-133 pilot valve worldwide?

3G Electric supplies the CONRADER RCB-M-HU-111-133 pilot valve worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this brass piloted unloader valve.

How to install the CONRADER RCB-M-HU-111-133 pilot valve?

Install the CONRADER RCB-M-HU-111-133 by connecting the 1/4 in inlet to the compressor discharge line and the 1/8 in outlet to the pilot signal line. Ensure the valve is oriented per manufacturer guidelines and the preset pressure of 111 psi is not exceeded. Use thread sealant on NPT connections.

Used in

Common applications for CONRADER
Air compressor systems — Conrader SRV250 soft seat safety valves for overpressure protection on receiver tanks
Pneumatic tool circuits — Conrader GV2 check valves to prevent backflow in air line lubrication systems
Industrial process control — Conrader SRH375 hard seat safety valves for high-pressure gas manifolds
Mobile equipment hydraulics — Conrader SRV390 soft seat safety valves for pressure relief on pneumatic actuators
Compressed air distribution — Conrader SRH250 hard seat safety valves for branch line protection in plant air systems

CONRADER Products

3G Electric supplies CONRADER piloted unloader valves for air compressors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
CONRADER Pilot Valve: 1/4 in Inlet Size, 1/8 in Outlet Size, 115 psi Min Preset Pressure, Brass (MPN RCB-HU 115-130)
CONRADER
CONRADER Pilot Valve: 1/4 in Inlet Size, 1/8 in Outlet Size, 115 psi Min Preset Pressure, Brass (MPN RCB-HU 115-130)
CONRADER Pilot Valve: 1/4 in Inlet Size, 1/8 in Outlet Size, 135 psi Min Preset Pressure, Brass (MPN RCB-HU 135-150)
CONRADER
CONRADER Pilot Valve: 1/4 in Inlet Size, 1/8 in Outlet Size, 135 psi Min Preset Pressure, Brass (MPN RCB-HU 135-150)
CONRADER Pilot Valve: 1/4 in Inlet Size, 1/8 in Outlet Size, 160 psi Min Preset Pressure, Brass (MPN RCB-HU 160-175)
CONRADER
CONRADER Pilot Valve: 1/4 in Inlet Size, 1/8 in Outlet Size, 160 psi Min Preset Pressure, Brass (MPN RCB-HU 160-175)
CONRADER Pilot Valve: 1/4 in Inlet Size, 1/8 in Outlet Size, 80 psi Min Preset Pressure, Brass (MPN RCT1-F1-HU)
CONRADER
CONRADER Pilot Valve: 1/4 in Inlet Size, 1/8 in Outlet Size, 80 psi Min Preset Pressure, Brass (MPN RCT1-F1-HU)
CONRADER Pilot Valve: 3/8 in Inlet Size, 3/8 in Outlet Size, 1/4 in Exhaust Size, Brass (MPN RCL-S-HU-125-150)
CONRADER
CONRADER Pilot Valve: 3/8 in Inlet Size, 3/8 in Outlet Size, 1/4 in Exhaust Size, Brass (MPN RCL-S-HU-125-150)

More from CONRADER

View all CONRADER parts
Piloted unloader valve for air compressor systems. Brass construction with 1/8 in outlet and minimum preset pressure of 100 psi. Vents discharge line to unload compressor at preset pressure, reducing startup load
CONRADER
Piloted unloader valve for air compressor systems. Brass construction with 1/8 in outlet and minimum preset pressure of 100 psi. Vents discharge line to unload compressor at preset pressure, reducing startup load
Piloted unloader valve for air compressor systems, constructed of brass. Features a 1/4 in outlet and a 1/2 in exhaust port. Used to control compressor unloading cycles, allowing start and stop without back pressure
CONRADER
Piloted unloader valve for air compressor systems, constructed of brass. Features a 1/4 in outlet and a 1/2 in exhaust port. Used to control compressor unloading cycles, allowing start and stop without back pressure
Brass piloted unloader valve for air compressors. Controls compressor unloading by venting discharge line air, enabling start and stop under minimal load. Outlet size 3/8 in, exhaust size 1/4 in. Suitable for industrial air systems requiring pressure regulation
CONRADER
Brass piloted unloader valve for air compressors. Controls compressor unloading by venting discharge line air, enabling start and stop under minimal load. Outlet size 3/8 in, exhaust size 1/4 in. Suitable for industrial air systems requiring pressure regulation
Brass piloted unloader valve for air compressor systems. Controls the unloading cycle by venting air from the compressor discharge line to allow start and stop under minimal load. Outlet size 1/4 in, exhaust size 1/4 in
CONRADER
Brass piloted unloader valve for air compressor systems. Controls the unloading cycle by venting air from the compressor discharge line to allow start and stop under minimal load. Outlet size 1/4 in, exhaust size 1/4 in
CONRADER Continuous Run Unloader Valve: 1/8 in Inlet Size, 1/2 in Outlet Size, 40 cfm Max Air Flow (MPN NG1)
CONRADER
CONRADER Continuous Run Unloader Valve: 1/8 in Inlet Size, 1/2 in Outlet Size, 40 cfm Max Air Flow (MPN NG1)
CONRADER Pilot Valve: 3/8 in Inlet Size, 3/8 in Outlet Size, 1/4 in Exhaust Size, Brass (MPN RCL-S-HU-115-130)
CONRADER
CONRADER Pilot Valve: 3/8 in Inlet Size, 3/8 in Outlet Size, 1/4 in Exhaust Size, Brass (MPN RCL-S-HU-115-130)
CONRADER Pilot Valve: 3/8 in Inlet Size, 3/8 in Outlet Size, 1/4 in Exhaust Size, Brass (MPN RCL-S-HU-145-175)
CONRADER
CONRADER Pilot Valve: 3/8 in Inlet Size, 3/8 in Outlet Size, 1/4 in Exhaust Size, Brass (MPN RCL-S-HU-145-175)
CONRADER Unloader Pilot Valve: 1/4 in Inlet Size, 1/4 in Outlet Size, 1/2 in Exhaust Size, Brass (MPN BLG 135-150)
CONRADER
CONRADER Unloader Pilot Valve: 1/4 in Inlet Size, 1/4 in Outlet Size, 1/2 in Exhaust Size, Brass (MPN BLG 135-150)