Skip to content

FREE SHIPPING ON ORDERS OVER $100

20% OFF ULTRA AIR GUNS WITH CODE ULTRA20

800-482-7324

Contact Us Email Sign Up Where to Buy

Cart

All Products
Safety Air Guns
- Classic+ Safety Air Guns
  
  AirMiser 74H
  Blind Hole® 74BH
  Booster 76S
  Flex 80
  JetGuard 74S
  Long John® 75LJ Series
  The Original 57S30XB
  QuietForce® 74G
  Rubber Tip 74RT
  WhisperJet® 80 Series
  XtraThrust® 75XT Series
  XtraThrust® 75XXT
- PalmJet® Safety Air Guns
- Ultra® Safety Air Guns
  
  Ultra® U75LJ
  Ultra® QuietForce® U74
  Ultra® QuietForce® U74HT37
  Ultra® WhisperJet® U80WJ
  Ultra® WhisperJet® U80LJ
  Ultra® XtraThrust® U75XT
  Shop All Ultra Air Guns
- ThumbSwitch Safety Air Guns
  
  Compact ThumbSwitch 970
  ThumbSwitch 900
  ThumbSwitch 900LJ
  ThumbSwitch 900LJ Nylon
  ThumbSwitch 900S
  ThumbSwitch 970 Steel
  WhisperJet® ThumbSwitch 980
  XtraThrust® ThumbSwitch 970XT
- Lazer Safety Air Guns
  
  Lazer® PalmSwitch® 600
  Lazer® Pistol Grip 650
- Big Safety Air Guns
  
  Force 5® F5
  Force 5® QuietForce® F5
  HydroForce® HYD
  Inforcer® INF5
  Inforcer® INF5 Steel
  Inforcer® QuietForce® INF5
- Specialty Safety Air Guns
  
  Blind Hole 74BH
  Filter 900F
  Radiator INRG
  ReverseForce® 75RF
- Replacement Parts & Accessories
- Shop All Safety Air Guns
Pneumatic Vacuums
- PowerQUAD Pneumatic Vacuums
  
  55 Gallon Vacuum Kits
  30 Gallon Vacuum Kits
  20 Gallon Vacuum Kits
  10 Gallon Vacuum Kits
  5 Gallon Vacuum Kit
- NED Pneumatic Vacuums
  
  55 Gallon NED Vacuum Kits
  30 Gallon NED Vacuum Kits
  20 Gallon NED Vacuum Kits
- ATEX-Certified Pneumatic Vacuums
  
  55 Gallon ATEX Vacuum Kits
  30 Gallon ATEX Vacuum Kits
- PulseAir™ Pneumatic Vacuums
  
  55 Gallon PulseAir™ Vacuum Kits
  30 Gallon PulseAir™ Vacuum Kits
  20 Gallon PulseAir™ Vacuum Kits
- PulseAir™ Dust Extractor Pneumatic Vacuums
  
  30 Gallon PulseAir™ Dust Extractor Kits
  20 Gallon PulseAir™ Dust Extractor Kits
- Pneumatic Vacuum Generating Heads
  
  55 Gallon Vacuum Generating Heads
  55 Gallon Generating Head Kits
  20/30 Gallon Vacuum Generating Heads
  20/30 Gallon Generating Head Kits
  10 Gallon Vacuum Generating Head
  10 Gallon Generating Head Kit
  5 Gallon Vacuum Generating Head
  5 Gallon Generating Head Kit
- Handheld Pneumatic Vacuums
  
  GunVac® Kit
  GunVac® Deluxe Kit
  Flexible GunVac® Kit
  GunVac® Contain-It Kits
  GunVac® Parts & Accessories
- Specialty Vacuum Systems
  
  Blind Hole® Vacuum
  MachineVac Vacuum
  MachineVac NED Vacuum
  Material Mover® Vacuums & Kits
  Material Mover® NED Kits
  Personnel Cleaning Station Vacuum
  Personnel Cleaning Station NED Vacuum
  Specialty Vacuum Parts & Accessories
- Replacement Parts & Accessories
  
  Drum Accessories
  Drums, Liners, & Gaskets
  Exhaust Silencer Foam
  Filters
  GunVac® Accessories
  Hoses
  Hose Cuffs, Couplers, & Adaptors
  Metal Attachments
  Plastic Attachments
  Specialty Vacuum Parts
  Shop All Parts & Accessories
- Shop All Pneumatic Vacuums
Why Guardair
- Air Gun Technology
  
  Nozzle Diagrams & Descriptions
  Tech Specs
- Vacuum Technology
  
  ATEX Certification
  Compressed Air Requirements
  PowerQUAD™ Overview
  PowerQUAD™ Vacuum Performance
  PowerQUAD™ Venturi System
  The Pneumatic Advantage
  Total Cost of Ownership
  ISA Innovation Award
- Markets
  
  Safety Air Gun Users
  Pneumatic Vacuum Users
- FAQ
- Product Literature
- Testimonials
OSHA/Safety

Contact Us
Email Sign Up
Where to Buy

Cart

All Products
Safety Air Guns
Pneumatic Vacuums
Why Guardair
OSHA/Safety

Home
Liquid Shut-Off Assemblies

Collection: Liquid Shut-Off Assemblies

Liquid shut‑off assemblies help protect pneumatic vacuums by preventing overfilling during liquid pickup. Designed to stop flow when the drum reaches capacity, they support safer operation and help reduce the risk of damage or unintended overflow in demanding shop environments.

Filter:

5 products

Filter by

Filter

Category

Search

Pneumatic Vacuum Replacement Parts & Accessories

Vacuum Parts & Accessories

Search

Air Pressure Gauges(1)
Vacuum Drums(7)
Drum Dollies(4)
Drum Liners(10)
Pneumatic Vacuum Generating Engines(1)
Vacuum Filters(22)
Vacuum Gaskets(4)
Grounding Clamps(2)
GunVac Parts & Accessories(23)
Vacuum Hoses(20)
Hose Cuffs, Couplers, & Adaptors(12)
Injector Nozzles(1)
Legacy Vacuum Parts & Accessories(7)
Liquid Drain Valves(1)
Liquid Shut-Off Assemblies(5)
Maintenance Kits(5)
Metal Vacuum Attachments(26)
Plastic Vacuum Attachments(13)
PowerQUAD™ Retrofit Kits(2)
Venturi Shut-Off Valves(1)
Exhaust Silencer Foam(4)
Specialty Vacuum Parts(19)

Drum Capacity

Search

55 Gallon Capacity
30 Gallon Capacity
20 Gallon Capacity
15 Gallon Capacity
10 Gallon Capacity
8 Gallon Capacity
5 Gallon Capacity

Availability (0)

Availability

In stock (5 products)
Out of stock (0 products)

In stock (5 products)
Out of stock (0 products)

Price

The highest price is $226.71

$

From

To

Product type (0)

Product type

Parts & Accessories (5 products)

Parts & Accessories (5 products)

Sort by:

Filter and sort Filter

Filter and sort

Filter

5 products

Availability

In stock (5 products)
Out of stock (0 products)

Clear

Price

The highest price is $226.71

$

From

$

To

Clear

Product type

Parts & Accessories (5 products)

Clear

Sort by:

Remove all

5 products

5 products

Filter by

Filter

Category

Search

Pneumatic Vacuum Replacement Parts & Accessories

Vacuum Parts & Accessories

Search

Air Pressure Gauges(1)
Vacuum Drums(7)
Drum Dollies(4)
Drum Liners(10)
Pneumatic Vacuum Generating Engines(1)
Vacuum Filters(22)
Vacuum Gaskets(4)
Grounding Clamps(2)
GunVac Parts & Accessories(23)
Vacuum Hoses(20)
Hose Cuffs, Couplers, & Adaptors(12)
Injector Nozzles(1)
Legacy Vacuum Parts & Accessories(7)
Liquid Drain Valves(1)
Liquid Shut-Off Assemblies(5)
Maintenance Kits(5)
Metal Vacuum Attachments(26)
Plastic Vacuum Attachments(13)
PowerQUAD™ Retrofit Kits(2)
Venturi Shut-Off Valves(1)
Exhaust Silencer Foam(4)
Specialty Vacuum Parts(19)

Drum Capacity

Search

55 Gallon Capacity
30 Gallon Capacity
20 Gallon Capacity
15 Gallon Capacity
10 Gallon Capacity
8 Gallon Capacity
5 Gallon Capacity

Sort by:

5 products

Liquid Shut-Off Assembly

20/30/55 Gallon Liquid Shut-Off Assembly

20/30/55 Gallon Liquid Shut-Off Assembly

N638

Ideal for wet vacuum applications, Liquid Shuto...

Regular price $82.00

Regular price Sale price $82.00

Unit price / per

PowerQUAD 20/30/55 Gallon Liquid Shut-Off Assembly

PowerQUAD™ 20/30/55 Gallon Liquid Shut-Off Assembly

PowerQUAD™ 20/30/55 Gallon Liquid Shut-Off Assembly

PQ638

Ideal for wet/dry vacuum applications, Liquid S...

Regular price $114.72

Regular price Sale price $114.72

Unit price / per

PowerQUAD™ 20/30/55 Gallon Liquid Shut-Off Assembly Kit (PQ638K)

PowerQUAD™ 20/30/55 Gallon Liquid Shut-Off Assembly Kit

PowerQUAD™ 20/30/55 Gallon Liquid Shut-Off Assembly Kit

PQ638K

Ideal for wet/dry vacuum applications, Liquid S...

Regular price $207.13

Regular price Sale price $207.13

Unit price / per

PowerQUAD 5/10 Gallon Liquid Shut-Off Assembly

PowerQUAD™ 5/10 Gallon Liquid Shut-Off Assembly

PowerQUAD™ 5/10 Gallon Liquid Shut-Off Assembly

PQ901

Ideal for wet/dry vacuum applications, Liquid S...

Regular price $111.83

Regular price Sale price $111.83

Unit price / per

Nortech® 8/15 Gallon Liquid Shut-Off Assembly N609

Nortech® 8/15 Gallon Liquid Shut-Off Assembly N609

Nortech® 8/15 Gallon Liquid Shut-Off Assembly N609

N609

Ideal for wet vacuum applications, Liquid Shuto...

Regular price $226.71

Regular price Sale price $226.71

Unit price / per

CONNECT WITH US

Get 10% off when you sign up for our Newsletter:

SUBSCRIBE NOW

FOLLOW US

Stay updated on the latest from Guardair:

Facebook
Instagram
YouTube
LinkedIn

Guardair Corporation
47 Veterans Drive
Chicopee, MA 01022-1062

PRODUCT CATALOG

See our latest catalog full of products, accessories and replacement parts:

DOWNLOAD

HELP

Contact Us

800-482-7324 Mon - Fri 8AM ET - 5PM ET

info@guardair.com

Live Chat

HELP

Contact Us

800-482-7324 Mon - Fri 8AM ET - 5PM ET

info@guardair.com

Live Chat

ABOUT

History News Our Brands Careers Testimonials Brand Guidelines

ABOUT

History News Our Brands Careers Testimonials Brand Guidelines

INFORMATION

FAQ Shipping & Returns Product Literature Product Warranty Trade Shows

INFORMATION

FAQ Shipping & Returns Product Literature Product Warranty Trade Shows

USEFUL LINKS

FREE OSHA Compliance Kit Compressed Air Audit OSHA Compliance Audit PowerQUAD™ Cross Reference Chart Vacuum Recommendation Quiz Where to Buy

USEFUL LINKS

FREE OSHA Compliance Kit Compressed Air Audit OSHA Compliance Audit PowerQUAD™ Cross Reference Chart Vacuum Recommendation Quiz Where to Buy

OTHER DIVISIONS

OTHER DIVISIONS

© 2026 Guardair Corporation

© 2026 Guardair Corporation
47 Veterans Drive
Chicopee, MA 01022-1062

Accessibility | Privacy Policy | Terms & Conditions | Reseller Terms | Proposition 65

Choosing a selection results in a full page refresh.
Opens in a new window.