More on the results of vacuum pumps:

Check valve applications | Pump Industry Magazine

A check valve, clack valve, non-return valve or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. A check valve is an electronic equivalent of a diode which permits the flow of electrical current in one direction only....<<more>>

Summit Racing® One-Way Check Valves

17 Customer Reviews. Summit® one-way check valves are designed to prevent the back flow of any fuel, coolant, or oils. Their flapper design provides minimal flow restriction, and the high-quality construction of these valves ensures long-lasting performance....<<more>>

How to Make a Super Cheap One-Way Check Valve « Hacks

Making Your Own One-Way Check Valves In this project, I'll show 2 different ways to make a simple check valve. One is easy (simple, but for low pressure applications only), and one a little more complex (good up to around 50-60 PSI)....<<more>>

How to Make a One-Way Check Valve - for Cheap!!

I tried using 2 of these check valves to make a PVC water pump. It can be used as an air pump, a vacuum pump, or a water pump that will pump up to 5 gallons per minute. In my testing, the valves work great with air and water....<<more>>

Vacuum Brake Booster Problems Operation Diagnosis

A booster check valve allows vacuum into the booster when manifold vacuum is high and traps it in when manifold vacuum is low. It's a one way check valve that allows air to flow in only one direction....<<more>>

Check Valves - Fuel Systems - Aeroflow Performance

Aeroflow Performance the Australian designer of quality high performance hose and fittings for the car industry and home enthusiast CHECK VALVE 5 PSI SPRING SUITS. $1.67. Add to Cart. Add to Wishlist One Way Stepped Check Valve. $39.02. Add to Cart. Add to Wishlist...<<more>>

valve selection guide - Metraflex

for silent check valves is in pump discharge piping such as shown in Figure 8. formation of a vacuum. A silent check valve installed on the top of the tank with the outlet pressure loss than swing check, one reason is that the spring pres- sure must be overcome by fluid pressure. This small difference...<<more>>


pump in the basement, a check valve is probably in the discharge line of the pump. Outside the home they are found in industries such as automotive, desalination, avi- uction, water and waste, chemical, colleges and universi-...<<more>>

Check Valves, Ball check Valves | Flomatic Corp

Ball Check Valve Manufacturer. Check valves are mechanical valves that permit gases and liquids to flow in only one direction, preventing process flow from reversing. They are classified as one-way directional valves. Fluid flow in the desired direction opens the valve, while backflow forces the valve closed....<<more>>

3 Way Vacuum Valves | Products & Suppliers | Engineering360

Description: ANVER one-way vacuum check valves are suitable for all vacuum applications, where vacuum loss prevention is required. The check valves can operate in any position, making them suitable for all vacuum needs....<<more>>

Check Valves Manufacturer - Check-All Valve

CHECK VALVES . Silent. Engineered for silent operation. Check-All valves close quickly and smoothly to minimize hammer noise. Spring Loaded. Functions equally well in either vertical or horizontal position with proper spring selection....<<more>>

Aluminum One-Way Check Valve, 8mm Barbed Silver

This one way aluminum check valve is used to allow flow in one direction but not the other. The most common use is preventing fuel from returning to the tank after the pump is turned off, maintaining rail pressure....<<more>>

Check Valves and Backflow Preventers - Plumbing Valves

Spring check valves are designed to assist closure pressure to create a positive shutoff. Vacuum breakers help prevent backsiphonage of contaminated water into a water supply and many are suitable for use in hot or cold water service....<<more>>

How a vacuum brake booster works - AGCO Automotive

A check valve, in the inlet fitting, helps to maintain a vacuum when the engine accelerates. Applying the brakes When we press the brake pedal, the two-way valve also moves....<<more>>

Spring-Loaded Check Valves for Copper, CTS, CPVC & PEX

SharkBite Check Valves are general purpose, spring-loaded check valves that are easily installed on Copper, CPVC, PEX and PE-RT lines. These valves can be installed horizontally or vertically and prevents the reverse flow of water through the water supply line....<<more>>

Check Valves - ISM

Quality small bore check valves, one-way valves or non-return valves for fuel, gases, liquids, air or vacuum. Spring-assist, free flow (no spring) or diaphragm. Metal, engineered plastics and composite materials....<<more>>

Check Valves - Spring Check Valves - Brass Check Valve

Check valves are also commonly used in sump, pond, and sewage pump applications. They are also used in closed loop solar applications to prevent thermal siphoning. Check valves should be installed horizontally in a plumbing system....<<more>>

Quality Valves Manufactured in the US | Flomatic Corp

Manufacturer of Valves for Fresh Water and Sewage. Flomatic ® Corporation is a diversified valve manufacturer of water valves & waste water valves.. Click on a product area to the left to view specifications and online Request for Quote (RFQ)....<<more>>

Smart Products USA, Inc.

Check Valves: Made to Order. Design your own valve with 9+ plastic body material options, 7+ o-ring options, and opening pressure ranges from 0.09 to 20 opening PSI...<<more>>

Replacement check valves for everything Hot Spring makes.

This one way check valve was used in the Hot Spring Grandee from 1989-1993 for the Jet Stream Jet air intake. All jets in a Hot Spring have both an air and water mixture....<<more>>

Vacuum Check Valve - Car Vacuum Valve | AutoPartsWarehouse

Vacuum check valves are used in different vacuum systems of a vehicle such as the EGR, braking system, air conditioning system, and the intake manifold. If any of these systems are acting up, a leaky or malfunctioning vacuum check valve could actually be the culprit....