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3G Electric
CONTROL DEVICES NVR20-0A004 Vacuum Relief Valve, 54 in wc Preset, 5 in OD - Pressure & Vacuum Relief Valves for Regenerative Blowers
CONTROL DEVICESPressure & Vacuum Relief Valves for Regenerative Blowers

CONTROL DEVICES NVR20-0A004 Vacuum Relief Valve, 54 in wc Preset, 5 in OD

<p>The CONTROL DEVICES NVR20-0A004 is a vacuum relief valve designed for regenerative blowers, with a preset limit of 54 inches of water column and a 5-inch outside diameter. This valve helps protect your blower…

SKU 3G-OTH-142227

Also listed as: NVR200A004 · NVR20 0A004

Brand
CONTROL DEVICES
Item
NVR20-0A004 Vacuum Relief Valve, 54 in wc Preset, 5 in OD
Part Number
NVR20-0A004
Category
Pressure & Vacuum Relief Valves for Regenerative Blowers
Available to Order
Also known as:NVR20-0A004CONTROL DEVICES
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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

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

<p>The CONTROL DEVICES NVR20-0A004 is a vacuum relief valve designed for regenerative blowers, with a preset limit of 54 inches of water column and a 5-inch outside diameter. This valve helps protect your blower system from excessive vacuum conditions, ensuring reliable operation.</p><p>Ideal for industrial applications requiring precise pressure control, this valve is available through 3G Electric, a Singapore-based supplier offering worldwide shipping. Request a quote in SGD, with GST handled for Singapore buyers, and enjoy fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What is the preset limit of the CONTROL DEVICES NVR20-0A004?

The preset limit is 54 inches of water column (in wc).

What is the outside diameter of this valve?

The outside diameter is 5 inches.

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
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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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This pressure and vacuum relief valve is designed for regenerative blowers, with a preset limit of 166 in wc and an outside diameter of 6.9 in. It vents excess air to protect the blower system from overpressure or vacuum conditions in industrial applications
CONTROL DEVICES
This pressure and vacuum relief valve is designed for regenerative blowers, with a preset limit of 166 in wc and an outside diameter of 6.9 in. It vents excess air to protect the blower system from overpressure or vacuum conditions in industrial applications
This vacuum relief valve is designed for use with regenerative blowers to protect against excessive vacuum conditions. It features a 3 in NPT inlet and opens at a preset limit of 8 in Hg to prevent system damage
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