Top of the page

Check Valves


Also known as Non-Return Valves, Check Valves are designed to prevent fluid backflow and keep flow in a single direction. Utilizing differential pressure, these valves open and close based on pressure differences upstream and downstream. View Tork Systems catalog of Check Valves below or contact a Marine Valve Expert for more information.

1
Item No. M101806
Generic
3-1/2-inch Swing Check Valve. Bronze Class 150 Flanged, Bolted Bonnet, Bronze Trim.
Click on Item to Request Quote
2
Item No. M101808
OKV
3-1/2-inch Swing Check Valve. Bronze Class 150 Flanged, Bolted Bonnet, Bronze Trim, OKV.
Click on Item to Request Quote
3
Item No. M101809
Pima Valve
3-1/2-inch Swing Check Valve. Bronze Class 150 FlangedBolted Bonnet Bronze Trim Pima Valve/MB Valve B1620A.
Click on Item to Request Quote
4
Item No. M101862
Generic
3-1/2-inch Swing Check Valve. Bronze Class 150 Flanged, Bolted Bonnet, Monel Trim.
Click on Item to Request Quote
5
Item No. M101864
OKV
3-1/2-inch Swing Check Valve. Bronze Class 150 FlangedBolted Bonnet Monel Trim OKV.
Click on Item to Request Quote
6
Item No. M101865
Pima Valve
3-1/2-inch Swing Check Valve. Bronze Class 150 Flanged, Bolted Bonnet, Monel Trim - Pima Valve / MB Valve B1620E.
Click on Item to Request Quote
7
Item No. M107002
Generic
3-1/2-inch Swing Check Valve. Bronze 250 lb Navy Flanged (Mil-V-17547 1385637)
Click on Item to Request Quote
8
Item No. M107003
MB Valve (Montreal Bronze)
3-1/2-inch Swing Check Valve. Bronze 250 lb Navy Flanged NavyMil-V-17547 1385637 MB Valve
Click on Item to Request Quote
9
Item No. M107005
Pima Valve
3-1/2-inch Swing Check Valve. Bronze 250 lb Navy FlangedNavyMil-V-17547 1385637 Pima Valve/MB Valve Nb25620E.
Click on Item to Request Quote
10
Item No. M107043
Generic
3-1/2-inch Lift Check Valve. Bronze 250 lb Navy Flanged (Mil-V-17547)
Click on Item to Request Quote
11
Item No. M107045
Pima Valve
3-1/2-inch Lift Check Valve. Bronze 250 lb Navy Flanged NavyMil-V-17547 Pima Valve / MB Valve.
Click on Item to Request Quote
12
Item No. M107064
Generic
3-1/2-inch Lift Check Valve. Bronze 250 lb Navy Flanged Navy Angle(Mil-V-17547)
Click on Item to Request Quote
13
Item No. M107066
Pima Valve
3-1/2-inch Lift Check Valve. Bronze 250 lb Navy Flanged Navy AngleMil-V-17547 Pima Valve / MB Valve
Click on Item to Request Quote
14
Item No. M107085
Generic
3-1/2-inch Vertical Check Valve. Bronze 250 lb Navy Flanged (Mil-V-17547)
Click on Item to Request Quote
15
Item No. M107087
Pima Valve
3-1/2-inch Vertical Check Valve. Bronze 250 lb Navy FlangedThe NavyMil-V-17547 Pima Valve / MB Valve is a bronze check valve with a 250 lb pressure rating. It is designed for use in navy applications.
Click on Item to Request Quote
16
Item No. M100365
Generic
3-1/2-inch Swing Check Valve. Cast Steel Class 150 Flanged, Trim 8 (Cr13/Hf)
Click on Item to Request Quote
17
Item No. M100403
Generic
3-1/2-inch Swing Check Valve. Cast Steel Class 150 Flanged with 316 Stainless Steel Trim.
Click on Item to Request Quote
18
Item No. M100411
Generic
3-1/2-inch Swing Check Valve. Cast Steel Class 150 Flanged with Full Hard Face Trim.
Click on Item to Request Quote
19
Item No. M100380
Generic
3-1/2-inch Swing Check Valve. Cast Steel, Class 150, Flanged, with Bronze Trim.
Click on Item to Request Quote
20
Item No. M100395
Generic
3-1/2-inch Swing Check Valve. Cast Steel Class 150 Flanged with Monel Trim.
Click on Item to Request Quote
21
Item No. M136630
Pima Valve
3-1/2-inch Swing Check Valve. Aluminum Class 150 Flanged, Bolted Bonnet, Aluminum Trim - Pima Valve / MB Valve A1620.
Click on Item to Request Quote
22
Item No. M100881
Generic
3-1/2-inch Swing Check Valve. Ductile Iron Class 150 Flanged with Bronze Trim.
Click on Item to Request Quote
23
Item No. M136789
Pima Valve
3-1/2-inch Swing Check Valve. Ductile Iron Class 150 FlangedBolted Bonnet Bronze Trim Pima Valve/MB Valve D1620A.
Click on Item to Request Quote
24
Item No. M136800
Pima Valve
3-1/2-inch Swing Check Valve. Ductile Iron Class 150 FlangedBolted Bonnet Monel Trim Pima Valve / MB Valve D1620E.
Click on Item to Request Quote
25
Item No. M103678
Generic
3-1/2-inch Swing Check Valve. Cast Steel Class 150 Flanged(Mil-V-18436)
Click on Item to Request Quote
39 product(s) found

Check Valves


Also known as Non-Return Valves, Check Valves are designed to prevent fluid backflow and keep flow in a single direction. Utilizing differential pressure, these valves open and close based on pressure differences upstream and downstream. View Tork Systems catalog of Check Valves below or contact a Marine Valve Expert for more information.

1
Item No. M101806
Generic
3-1/2-inch Swing Check Valve. Bronze Class 150 Flanged, Bolted Bonnet, Bronze Trim.
Click on Item to Request Quote
2
Item No. M101808
OKV
3-1/2-inch Swing Check Valve. Bronze Class 150 Flanged, Bolted Bonnet, Bronze Trim, OKV.
Click on Item to Request Quote
3
Item No. M101809
Pima Valve
3-1/2-inch Swing Check Valve. Bronze Class 150 FlangedBolted Bonnet Bronze Trim Pima Valve/MB Valve B1620A.
Click on Item to Request Quote
4
Item No. M101862
Generic
3-1/2-inch Swing Check Valve. Bronze Class 150 Flanged, Bolted Bonnet, Monel Trim.
Click on Item to Request Quote
5
Item No. M101864
OKV
3-1/2-inch Swing Check Valve. Bronze Class 150 FlangedBolted Bonnet Monel Trim OKV.
Click on Item to Request Quote
6
Item No. M101865
Pima Valve
3-1/2-inch Swing Check Valve. Bronze Class 150 Flanged, Bolted Bonnet, Monel Trim - Pima Valve / MB Valve B1620E.
Click on Item to Request Quote
7
Item No. M107002
Generic
3-1/2-inch Swing Check Valve. Bronze 250 lb Navy Flanged (Mil-V-17547 1385637)
Click on Item to Request Quote
8
Item No. M107003
MB Valve (Montreal Bronze)
3-1/2-inch Swing Check Valve. Bronze 250 lb Navy Flanged NavyMil-V-17547 1385637 MB Valve
Click on Item to Request Quote
9
Item No. M107005
Pima Valve
3-1/2-inch Swing Check Valve. Bronze 250 lb Navy FlangedNavyMil-V-17547 1385637 Pima Valve/MB Valve Nb25620E.
Click on Item to Request Quote
10
Item No. M107043
Generic
3-1/2-inch Lift Check Valve. Bronze 250 lb Navy Flanged (Mil-V-17547)
Click on Item to Request Quote
11
Item No. M107045
Pima Valve
3-1/2-inch Lift Check Valve. Bronze 250 lb Navy Flanged NavyMil-V-17547 Pima Valve / MB Valve.
Click on Item to Request Quote
12
Item No. M107064
Generic
3-1/2-inch Lift Check Valve. Bronze 250 lb Navy Flanged Navy Angle(Mil-V-17547)
Click on Item to Request Quote
13
Item No. M107066
Pima Valve
3-1/2-inch Lift Check Valve. Bronze 250 lb Navy Flanged Navy AngleMil-V-17547 Pima Valve / MB Valve
Click on Item to Request Quote
14
Item No. M107085
Generic
3-1/2-inch Vertical Check Valve. Bronze 250 lb Navy Flanged (Mil-V-17547)
Click on Item to Request Quote
15
Item No. M107087
Pima Valve
3-1/2-inch Vertical Check Valve. Bronze 250 lb Navy FlangedThe NavyMil-V-17547 Pima Valve / MB Valve is a bronze check valve with a 250 lb pressure rating. It is designed for use in navy applications.
Click on Item to Request Quote
16
Item No. M100365
Generic
3-1/2-inch Swing Check Valve. Cast Steel Class 150 Flanged, Trim 8 (Cr13/Hf)
Click on Item to Request Quote
17
Item No. M100403
Generic
3-1/2-inch Swing Check Valve. Cast Steel Class 150 Flanged with 316 Stainless Steel Trim.
Click on Item to Request Quote
18
Item No. M100411
Generic
3-1/2-inch Swing Check Valve. Cast Steel Class 150 Flanged with Full Hard Face Trim.
Click on Item to Request Quote
19
Item No. M100380
Generic
3-1/2-inch Swing Check Valve. Cast Steel, Class 150, Flanged, with Bronze Trim.
Click on Item to Request Quote
20
Item No. M100395
Generic
3-1/2-inch Swing Check Valve. Cast Steel Class 150 Flanged with Monel Trim.
Click on Item to Request Quote
21
Item No. M136630
Pima Valve
3-1/2-inch Swing Check Valve. Aluminum Class 150 Flanged, Bolted Bonnet, Aluminum Trim - Pima Valve / MB Valve A1620.
Click on Item to Request Quote
22
Item No. M100881
Generic
3-1/2-inch Swing Check Valve. Ductile Iron Class 150 Flanged with Bronze Trim.
Click on Item to Request Quote
23
Item No. M136789
Pima Valve
3-1/2-inch Swing Check Valve. Ductile Iron Class 150 FlangedBolted Bonnet Bronze Trim Pima Valve/MB Valve D1620A.
Click on Item to Request Quote
24
Item No. M136800
Pima Valve
3-1/2-inch Swing Check Valve. Ductile Iron Class 150 FlangedBolted Bonnet Monel Trim Pima Valve / MB Valve D1620E.
Click on Item to Request Quote
25
Item No. M103678
Generic
3-1/2-inch Swing Check Valve. Cast Steel Class 150 Flanged(Mil-V-18436)
Click on Item to Request Quote
***All trademarked and copyrighted materials, including logos, are the sole property of their respective owners. This product is not affiliated with, endorsed by, or sponsored by these owners. References to third-party trademarks or copyrights are for informational purposes only, without implying any association or endorsement. We respect intellectual property rights. Any concerns should be promptly addressed. While efforts have been made for accuracy, errors may occur. Claims, warranties, and liabilities related to third-party trademarks or copyrighted materials rest with the product manufacturer or seller. By using this product, you agree to these terms. If you disagree, please refrain from using the product.
© Copyright 2024 Tork Systems, Inc. All rights reserved. 
Tork Systems, Inc.
Phone: +1 (800) 867-5514

2900 Main St., Bldg 140D

Alameda, CA 94501

© Copyright 2024 Tork Systems, Inc. All rights reserved.Â