Check Valve withstands up to 250 psig backpressure.

Press Release Summary:

Available in brass and 303 stainless steel, ultra-miniature Model CKV-M3 incorporates elastomeric duckbill and cracks open to allow flow at as little as ½ psig. Unit is made from 5 mm hexagonal stock with max length of ¾ in. Suited for gas and pneumatic applications, valve is available with in-line barb-to-barb configuration, internal or external M3 threads, or any combination thereof. Optional seal materials include silicone, flourocarbon, and EPDM.

Original Press Release:

New Ultra-Miniature Check Valve

Beswick Engineering announces the release of a new ultra-miniature duckbill check valve designed to withstand up to 250 psig backpressure. The new "CKV-M3" check valve sets an industry standard for miniaturization. It is an excellent choice for gas and pneumatic applications, and is perfect for applications that cannot tolerate any leaks or back flow. Customers will find it particularly useful where space, weight, and sealing reliability are critical. Maximum length is about 3/4" and the body is made from 5mm hexagonal stock. The CKV-M3 weighs just above 2 grams in brass and stainless steel.

The CKV-M3 incorporates an elastomeric duckbill within its design that allows it to withstand up to 250 psig backpressure. It cracks open to allow flow at as little as 1/2 psig. This check valve is available with an in-line barb to barb configuration, internal or external M3 threads and any combination of the three. The CKV-M3 is available in Brass and 303 Stainless Steel. Optional seal materials are available, such as, Silicone, Flourocarbon and EPDM.

Beswick Engineering specializes in high-performance miniature fluid power components featuring captured O-ring face seals for leak-tight sealing, a variety of materials for corrosion resistance, and ultra-miniature designs for space savings. Applications include hydrogen fuel cells, medical equipment, instruments, laboratory equipment, ink jet print engines, semiconductor manufacturing equipment, homeland defense detectors, etc.

For more information, please contact:
Cathy Ma
Beswick Engineering
284 Ocean Road
Greenland, NH 03840-2442 USA
PHONE: 800-354-5014
FAX: 603-433-3313
web site:

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