![1PC SPRING VERTICAL CHECK VALVE IMAGE-01 1PC SPRING VERTICAL CHECK VALVE IMAGE](http://www.lokvalve.com/wp-content/uploads/2020/06/1PC-SPRING-VERTICAL-CHECK-VALVE-IMAGE-01-300x215.jpg)
1PC Spring Vertical Check Valve
800WOG PN40
1/4"-3"(8~80mm)
WCB, SS304, SS316
![2PC SPRING VERTICAL CHECK VALVE IMAGE-01 2PC SPRING VERTICAL CHECK VALVE IMAGE](http://www.lokvalve.com/wp-content/uploads/2020/06/2PC-SPRING-VERTICAL-CHECK-VALVE-IMAGE-01-2-300x215.jpg)
2PC Spring Vertical Check Valve
1000WOG PN63
1/4"-4"(8~100mm)
WCB, SS304, SS316
![3PC SPRING VERTICAL CHECK VALVE IMAGE-02 3PC SPRING VERTICAL CHECK VALVE IMAGE](http://www.lokvalve.com/wp-content/uploads/2020/06/3PC-SPRING-VERTICAL-CHECK-VALVE-IMAGE-02-300x215.jpg)
3PC Spring Vertical Check Valve
1000WOG PN63
1/4"-4"(8~100mm)
WCB, SS304, SS316
![Cast Pressure seal bonnet welded check valve-02 ANSI Pressure Seal Bonnet Check Valve](http://www.lokvalve.com/wp-content/uploads/2018/02/Cast-Pressure-seal-bonnet-welded-check-valve-02-300x215.jpg)
ANSI Pressure Seal Bonnet Check Valve
Class900-2500LB
2"-30"(50~750mm)
WCB, WC6, CF8M
![ANSI CAST STEEL CHECK VALVE-05 ANSI swing check valve](http://www.lokvalve.com/wp-content/uploads/2017/02/ANSI-CAST-STEEL-CHECK-VALVE-05-300x215.png)
ANSI Swing Check Valve
Class150-2500LB
2"-30"(50~750mm)
WCB, CF8, CF8M
![API594 Wafer Check Valve API594 Wafer Check Valve](http://www.lokvalve.com/wp-content/uploads/2019/02/API594-Wafer-Check-Valve-300x215.jpg)
API594 Wafer Check Valve
PN10/PN16/CL125LB
2”~24” (50~600mm)
Cast Iron, Ductile Iron
![Ball Check Valve Ball Type Check Valve](http://www.lokvalve.com/wp-content/uploads/2019/02/Ball-Check-Valve-300x215.jpg)
Ball Type Check Valve
PN10/PN16/125LB/150LB
2”~12” (50~300mm)
Cast Iron, Ductile Iron
![Bronze Swing Check Valve-01 Bronze Swing Check Valve](http://www.lokvalve.com/wp-content/uploads/2018/03/Bronze-Swing-Check-Valve-01-300x215.jpg)
Bronze Swing Check Valve
Class150-1500LB
2"-30"(DN50~DN750)
Bronze, C95800
![Bronze Wafer Check Valve-01 Bronze Wafer Check Valve](http://www.lokvalve.com/wp-content/uploads/2018/03/Bronze-Wafer-Check-Valve-01-300x215.jpg)
Bronze Wafer Check Valve
150LB~900LB
DN50~DN1500 2”~60”
Bronze, B148 C95800
![BS EN16767 Swing Check Valve BS EN16767 Swing Check Valve](http://www.lokvalve.com/wp-content/uploads/2018/11/BS-EN16767-Swing-Check-Valve-300x215.jpg)
BS EN16767 Swing Check Valve
PN1.0-PN1.6MPa
2"-12"(50~300mm)
Ductile Iron, BS2789
![BS5153 Swing Check Valve-05 BS5153 Swing Check Valve](http://www.lokvalve.com/wp-content/uploads/2020/05/BS5153-Swing-Check-Valve-05-1-300x215.jpg)
BS5153 Swing Check Valve
PN10-PN16
1.5"-24"(40~600mm)
Cast Iron, Ductile Iron
![Duckbill Check Valve Duckbill Check Valve](http://www.lokvalve.com/wp-content/uploads/2018/01/Flanged-Duckbill-Check-Valve-Curved-Bill-300x215.jpg)
Duckbill Check Valve
PN6 / PN10 / 150LB
DN20~DN3000mm
NR, NBR, EPDM
![Flanged Type Duckbill Check Valve Flanged Type Duckbill Check Valve](http://www.lokvalve.com/wp-content/uploads/2018/01/Flanged-Duckbill-Check-Valve-1-300x215.jpg)
Flanged Type Duckbill Check Valve
PN6 / PN10 / 150LB
DN150~DN3000mm
NR, NBR, EPDM
![Flapper Check Valve-001 Flapper Check Valve](http://www.lokvalve.com/wp-content/uploads/2019/02/Flapper-Check-Valve-001-2-300x215.jpg)
Flapper Check Valve
PN10/PN16/125LB/150LB
2”~32” (50~800mm)
Cast Iron, Ductile Iron
![Socket Welded Check Valve forged steel check valve](http://www.lokvalve.com/wp-content/uploads/2018/02/Socket-Welded-Check-Valve-300x215.jpg)
Forged Steel Check Valve
Class150-2500LB
1/4"-2"(DN10~DN50)
A105, F304, F316, A350
![Forged Steel Flanged Check Valve-01 Forged Steel Flanged Check Valve](http://www.lokvalve.com/wp-content/uploads/2018/02/Forged-Steel-Flanged-Check-Valve-01-300x215.jpg)
Forged Steel Flanged Check Valve
Class150-2500LB
1/4"-2"(6~50mm)
A105, F304, F316, A350