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CONTROL DEVICES Blower Relief Valve: Vacuum, 54 in wc Preset Limit - Pressure & Vacuum Relief Valves for Regenerative Blowers
CONTROL DEVICESPressure & Vacuum Relief Valves for Regenerative Blowers

CONTROL DEVICES Blower Relief Valve: Vacuum, 54 in wc Preset Limit

The CONTROL DEVICES Blower Relief Valve: Vacuum (MPN NVR20-0A004) is a pressure and vacuum relief valve designed for regenerative blowers. It features a 54 in wc preset limit and a 5 in outside diameter. This valve…

SKU 3G-OTH-142227

Also listed as: NVR200A004 · NVR20 0A004

Brand
CONTROL DEVICES
Item
Blower Relief Valve: Vacuum, 54 in wc Preset Limit
Category
Pressure & Vacuum Relief Valves for Regenerative Blowers
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Technical Specifications

CONTROL DEVICES
Manufacturer Part Number
NVR20-0A004
Type
54 in wc Preset Limit
Outside Dia
5 in

Technical Documents

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

Product Description

The CONTROL DEVICES Blower Relief Valve: Vacuum (MPN NVR20-0A004) is a pressure and vacuum relief valve designed for regenerative blowers. It features a 54 in wc preset limit and a 5 in outside diameter. This valve is manufactured by CONTROL DEVICES and is identified by SKU 3G-OTH-142227.

Frequently Asked Questions

What is a CONTROL DEVICES Blower Relief Valve used for?

This vacuum relief valve protects regenerative blowers from over-pressure or over-vacuum conditions. It opens at a preset limit of 54 in wc to safeguard equipment in industrial pneumatic conveying, wastewater aeration, and material handling systems.

What are the specifications of the CONTROL DEVICES NVR20-0A004?

The CONTROL DEVICES NVR20-0A004 is a vacuum relief valve with a 54 in wc preset limit and a 5 in outside diameter. It is designed for regenerative blowers and carries MPN NVR20-0A004 and SKU 492T12.

Where to buy a CONTROL DEVICES Blower Relief Valve worldwide?

3G Electric supplies the CONTROL DEVICES NVR20-0A004 blower relief valve worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this vacuum relief valve.

How to install a CONTROL DEVICES Blower Relief Valve?

Install the CONTROL DEVICES NVR20-0A004 directly into the blower discharge or vacuum line. Ensure the valve is oriented per the manufacturer's arrow for flow direction. Tighten connections to prevent leaks and verify the 54 in wc preset limit is correct for your system.

Used in

Common applications for CONTROL DEVICES
Compressed air systems — CONTROL DEVICES soft seat safety valves (SB75-0A150) for overpressure protection on air receivers
Regenerative blower installations — CONTROL DEVICES pressure and vacuum relief valves (NBR20-0T017) for blower protection
Engine-driven compressor packages — CONTROL DEVICES throttle controls (TC63-4KA000) for pneumatic speed regulation
Industrial pneumatic networks — CONTROL DEVICES hard seat safety valves (SN50-1A100) for high-temperature relief applications
Compressor tank maintenance — CONTROL DEVICES in-tank check valves (P3850-1EP) for backflow prevention
Instrument air systems — CONTROL DEVICES in-line check valves (M2525-1WA) for directional flow control

CONTROL DEVICES Products

3G Electric supplies CONTROL DEVICES pressure & vacuum relief valves for regenerative blowers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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