Valves & Fittings

Connectors & Check Valves

Valves & Fittings


Knight Pumps Australia have an extensive range of check valves & tube fittings including John Guest Speedfit fittings and Parker Liquifit push in fittings.


Check Valves - 426 Series

Check valves for chemical transfer applications

The 426 Series Check Valve design promotes multiple configurations to fit the exact end use application. Gray PVC with 1 psi stainless spring and ball is the standard configuration. Most PVC and White Filled Polypropylene configurations are available as NSF Standard 42 Certified. Nylon, PVDF (Kynar®) and Glass Filled Polypropylene are available for chemical resistance applications. MakroBlend is an NSF Standard 51 Certified Material. Hastelloy is a superior chemically resistant spring material. Teflon® balls are standard with Hastelloy springs for chemical resistance applications.


Check Valves - 685 Series

The 685 Series Poppet Check Valve incorporates a thin elastomer disc supported by a poppet that seals on the seat. Pressure in the flow direction moves the seal off the seat first before pressure builds enough to move the poppet away from the seat. The 685 Series Check Valve maximum operating pressure of 125 psi covers a wide range of air and fluid applications. The 685 Check is a compact design with a light cracking pressure, high flow rate, and a positive seal at very low back pressure or slight vacuum. For higher cracking pressure applications, an embedded o-ring poppet is substituted for the standard elastomer disc poppet.


Foot Valves - 426 Series

Non return Foot Valves

The 426 Series Foot Valve design promotes multiple outlet end configurations to fit the exact end use application. The inlet end is a 3/8” Hose Barb with a 40 Mesh Stainless Suction Strainer screen installed. Gray PVC with 1 psi stainless spring and ball is the standard configuration. Nylon, PVDF (Kynar®) and Glass Filled Polypropylene are available for chemical resistant applications. MakroBlend is an NSF Standard 51 Approved Material. Hastelloy is a superior chemically resistant spring material. Teflon® balls are standard with Hastelloy springs for chemical resistant applications.


Ball Check Valves - 695 Series

Inline Check Valve/Non Return Valve

The 695 Series Ball Check Valve incorporates a stainless ball that seals on an o-ring
seat
Compact design with a light cracking pressure and a positive seal at low back presssure
Maximum operating pressure of 125 psi covers a wide range of air and fluid applications


John Guest Push Connect Fittings

John Guest fittings

John Guest Speedfit fittings are food-grade and suitable for potable liquids and pure water applications, as well as being chemical resistant.


John Guest Speedfit Shut-Off Valves

John Guest Valves

Commonly used for potable water, these valves also offer the advantage of chemical resistance.
•White polypropylene body
•Food-grade EPDM O-ring
•Handle is acetal copolymer
•For use with potable water
•Pressure range: 0 to 150 psi
•Temperature range: 0°C to 60°C


Plastic Barb Fittings

Barb fittings

Hose barb fittings in a variety of materials suitable for all sorts of applications. Choose from HDPE, nylon, polypropylene, PVDF, PTFE and more


Poppet Check Valve - 406 Series

The 406 Check Valves incorporate a plastic poppet with an embedded o-ring that seals on the seat
Designed for Cracking Pressure down to 0.1 psi
Polypropylene, Nylon, PVDF (Kynar®) are available for chemical resistance applications
Standard colors are Natural (Translucent/White) for the Inlet End, Black for the Outlet End
Hastelloy® is a superior chemically resistant spring material


TrueSeal™ Check Valve

LIQUIFIT TrueSeal Push to Connect Check Valves

TrueSeal™ is a revolutionary fitting for water systems that solves several problems associated with push-to-connect fittings used for water treatment, potable water, food and beverage, reverse osmosis, chemical, and filtration applications. These push-to-connect check valves ensure protection against the reversal of flow, featuring an arrow molded into the body to indicate the direction of flow. The valves are designed for connection with either thermoplastic or soft metal tubing and are for use with liquids only.
Sizes:
1/4" OD Tube
3/8" OD Tube
1/2" OD Tube


Super Speedfit® Acetal Check Valve

John Guest Speedfit Check valves

JG Speedfit Check valves are Designed specifically for the drink dispensing industry, this check valve ensures protection against reversal of flow in your system.
Sizes:
1/4" Tube OD
3/8" Tube OD


LIQUIfit™ Stop Valves

Liquifit valves

LIQUIfit™ fittings offer an innovative alternative for water applications no fluid contamination occurs and environmental protection is guaranteed. Common applications for these fittings include water purification systems, water dispensers, drink dispensers, cooling systems, food processing and CO2. Connect - Simply push the tubing until it bottoms out. Holding and sealing is accomplished instantaneously. Disconnect - First, depress the manual release button, then pull the tubing out of the fitting.


LIQUIfit™ Push-To Connect Connectors

LIQUIfit connectors

LIQUIfit™ fittings offer an innovative alternative for water applications no fluid contamination occurs and environmental protection is guaranteed. Common applications for these fittings include water purification systems, water dispensers, drink dispensers, cooling systems, food processing and CO2. Connect - Simply push the tubing until it bottoms out. Holding and sealing is accomplished instantaneously. Disconnect - First, depress the manual release button, then pull the tubing out of the fitting.


LIQUIfit™ End Connectors & Hose Stems

LIQUIfit™ fittings offer an innovative alternative for water applications no fluid contamination occurs and environmental protection is guaranteed. Common applications for these fittings include water purification systems, water dispensers, drink dispensers, cooling systems, food processing and CO2. Connect - Simply push the tubing until it bottoms out. Holding and sealing is accomplished instantaneously. Disconnect - First, depress the manual release button, then pull the tubing out of the fitting.


Three Way Ball Valve

326 series 3-way Valve

Designed to promote multiple configurations, sizes and materials.


Antimicrobial HDPE Tube Fittings

Antimicrobial Aseptic Tube Fittings

HDPE antimicrobial tube fittings with Silver ions that protect fittings from bio-film formation and colonization by microbes. Effective on a broad range of microbes, including many harmful strains of bacteria. FDA registered silver ion protection interferes with respiratory and metabolic functions of microbes. Odor producing mold and fungi are effectively blocked from colonizing on surface areas. An environmentally sustainable solution that does not rely on toxic chemicals and has not been shown to encourage proliferation of resistant bacterial strains.


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