Dry Bulk-3” & 4” Swing Check ValvesDry Bulk-3” & 4” Swing Check ValvesDry Bulk-3” & 4” Swing Check ValvesDry Bulk-3” & 4” Swing Check ValvesDry Bulk-3” & 4” Swing Check Valves

DRY BULK-3” & 4” SWING CHECK VALVES

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Description

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

Specifications

Part #  Description Length (in.)
3030RD 3” round flange, white EPDM spring loaded flapper 6 7/8
3030SQ 3” square flange, white EPDM spring loaded flapper 6 7/8
4040RD 4” round flange, white EPDM spring loaded flapper 9

Swing Check Valve Replacement Components 

3030RD

  Part #  Description
1 - Swing Check Body
2 341595 Flapper Valve Yoke
3A 3030RK1 Valve Flapper Assembly White EPDM
3B 3090RK3 Valve Flapper Assembly Red Silicone
3C 3091RK2 Valve Flapper Assembly Metal Seal
4 390798 Right Hand Shaft
5 390799 Left Hand Shaft
6 3030RK3 Left Hand Spring
7 3030RK3 Right Hand Spring
8A 111932 Cover Gasket, White EPDM
8B 112244 Cover Gasket, Red Silicone
9 341611 Cover
10 3030HK Bolt
11 3030HK Lock Washer

4040RD

  Part #  Description
1 - Swing Check Body
2A 4041RK1 Valave Flapper Assembly White EPDM
2B 4041RK2 Valve Flapper Assembly Metal Seal
2C 4042RK2 Valve Flapper Assembly Red Silicone
3 341595 Flapper Valve Yoke
4A 390799 Left Hand Shaft
4B 390849 Left Hand Shaft
5A 3030RK3 Left Hand Spring
6A 390798 Right Hand Shaft
6B 390847 Right Hand Shaft
7A 3030RK3 Right Hand Spring
7B 404RK3 Right Hand Spring
8 111215 Cover Gasket
9 340039 Cover
10 3030HK Bolt
11 3030HK Lock Washer

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