Ozone Resistant Check Valves

Stainless Steel Check Valves with Viton Seals

Product	Size	Body Length	Body Diameter	Price
CHK-4SV Check Valve	1/4"	2.165"	0.75"	$32.50
CHK-6SV Check Valve	3/8"	2.165"	0.866"	$35.50
CHK-8SV Check Valve	1/2"	2.165"	1.063"	$39.50
CHK-12SV Check Valve	3/4"	2.677"	1.417"	$58.50
CHK-16SV Check Valve	1"	3.268"	1.693"	$69.50

This check valve is completely serviceable and rebuild-able.  The only sealing material is a Viton O-ring.  This O-ring is easily replaceable is ever necessary.  The body is one piece and requires no seal for the body.  Only the O-ring is a sealing surface.  This makes the CHK-SV check valve the most reliable check valve over the long term.

Kynar Check Valves with Viton Diaphragm

Product	Size	Body Length	Flow Diameter	Price
CHK-4K Check Valve	1/4" Male NPT	1.406"	0.1875"	$11.20
CHK-6K Check Valve	3/8" Male NPT	1.5"	0.25"	$11.90
CHK-8K Check Valve	1/2" Male NPT	1.797"	0.3434"	$13.45

Kynar PVDF (polyvinylidene fluoride) is an ozone compatible material that has a cloudy off-white appearance.  These fittings are known for being extremely durable and have outstanding aging resistance when used with ozone.

Kynar Check Valves with Viton Diaphragm

Product	Size	Body Length	Price
CHK-4B Check Valve	1/4" Barb	1.25"	$5.95
CHK-6B Check Valve	3/8" Barb	1.75"	$9.50

Made with Kynar material and Viton diaphragm for ozone compatibility. These barbed check valves can easily connected to your tubing for inline water protection of your ozone equipment.