Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
CONRADER NRP-A Piloted Unloader Valve, Brass, 3/8 in Outlet - Piloted Unloader Valves for Air Compressors
CONRADERPiloted Unloader Valves for Air Compressors

CONRADER NRP-A Piloted Unloader Valve, Brass, 3/8 in Outlet

The CONRADER Continuous Run Vent Unloader Valve (SKU 3G-OTH-154363) is a piloted unloader valve for air compressors with a 1/8 in inlet size and 3/8 in outlet size. This NRP-A model is constructed from brass.

SKU 3G-OTH-154363

Also listed as: NRPA · NRP A

Brand
CONRADER
Item
NRP-A Piloted Unloader Valve, Brass, 3/8 in Outlet
Part Number
NRP-A
Category
Piloted Unloader Valves for Air Compressors
Available to Order
Also known as:NRP-ACONRADER
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.
EXW Singapore
Collect or forward from our office
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
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

CONRADER
Manufacturer Part Number
NRP-A
Type
Brass, NRP-A
Outlet Size
3/8 in

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 Continuous Run Vent Unloader Valve (SKU 3G-OTH-154363) is a piloted unloader valve for air compressors with a 1/8 in inlet size and 3/8 in outlet size. This NRP-A model is constructed from brass.

Frequently Asked Questions

What is a CONRADER Continuous Run Vent Unloader Valve used for?

This piloted unloader valve is used on air compressors to continuously vent pressure when the compressor runs unloaded, preventing start-up under load. It is common in industrial compressed air systems where reliable pressure control is needed.

What are the specifications of the CONRADER NRP-A unloader valve?

The CONRADER NRP-A Continuous Run Vent Unloader Valve has a 1/8 in inlet size and 3/8 in outlet size. It is constructed from brass and is a piloted unloader type for air compressors. The manufacturer part number is NRP-A.

Where to buy a CONRADER NRP-A unloader valve worldwide?

3G Electric supplies the CONRADER NRP-A Continuous Run Vent Unloader Valve worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this brass piloted unloader valve.

How to install a CONRADER Continuous Run Vent Unloader Valve?

Install the CONRADER NRP-A valve in the compressor discharge line between the compressor and the check valve. Ensure the 1/8 in inlet and 3/8 in outlet connections are properly sealed. Follow standard compressed air system practices for pilot line connections.

Used in

Common applications for CONRADER
Compressed air systems — Conrader SRV250 series soft-seat safety valves with 1/4 in NPT connections for overpressure protection on receivers and pneumatic circuits
Reciprocating air compressors — Conrader SRV390-12-75 sst with 1/2 in NPT inlet and outlet for relieving overpressure in compressor discharge lines
Receiver tanks and pressure vessels — Conrader SRV530 series with 3/4 in NPT connections for protecting tanks from exceeding maximum allowable working pressure
Pneumatic control panels — Conrader SRV250-18-75-SST with 1/8 in NPT connections for compact overpressure protection in instrument air circuits
Inert gas systems — Conrader soft-seat safety valves with silicone seals for use with nitrogen and other inert gases in industrial processes
Maintenance and replacement — Conrader soft-seat safety valves in multiple set pressures (50, 75, 125, 175, 250) for direct replacement of existing valves without piping changes
Not sure this is the right part? Photo-identify it→

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 →

More from CONRADER

View all CONRADER parts →
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

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first