Dixon Bayco / High Flow Swing Check Valves

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Swing check valves are designed specifically for service with pneumatic equipment which transfers dry bulk commodities. Check valves allow one way directional flow only. They are used as a protective safety device to prevent flow reversal should back pressure occur.

• High air flow body design
• Large maintenance / inspection lid
• Captive drop-in spring loaded food grade flapper assembly prevents contamination
• Heavy duty cast aluminum body with stainless steel hardware

Threaded End (NPT)
Part #	Description	Length
3020TE	2" female NPT, white EPDM spring loaded flapper	4-5/8"
3030TE	3" female NPT, white silicone spring loaded flapper	7-1/8"
3030TE-SSP	3" female NPT, spring loaded silicone flapper	7-1/8"
3031TE	3" female NPT, spring loaded metal flapper	7-1/8"
4040TE	4" female NPT, spring loaded white silicone flapper	9"
4041TE	4" swing check valve with threaded ends, metal flapper	9"
4042TE	4" swing check valve with threaded ends, silicone flapper	9"

Square Flanged (TTMA)
Part #	Description	Length
3020SQ	2" square flange, white EPDM spring loaded flapper	4-5/8"
3030SQ	3" square flange, white silicone spring loaded flapper	6-7/8"
3031SQ	3" square flange, spring loaded metal flapper	6-7/8"
3030SQ-SSP	3" square flange, white silicone spring loaded flapper	6-7/8"

Round Flanged (TTMA)
Part #	Description	Length
3030RD	3" round TTMA flange, white silicone spring loaded flapper	6-7/8"
3030RD-SSP	3" round flange, spring loaded silicone flapper	6-7/8"
3031RD	3" round flange, spring loaded metal flapper	6-7/8"
4040RD	4" round TTMA flange	9"
4041RD	4" swing check valve, round flange, metal flapper	9"
4042RD	4" swing check valve, round flange, silicone flapper	9"