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Check Valves
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Check Valves
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Tel: 0086-577-8692 8952
Address: No.312, 4th Street, 2nd Road, Binhai Park, Economical and Technological Development Zone, Wenzhou, Zhejiang, China 325025
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FD-LOK ball check valves have 6 series which are different pressure. They are Non-return check valve and non-return valve that permit gases and liquids to flow in only one direction, preventing process flow from reversing. stainless steel check valve and instrument check valve Our product range is a high-return valve in quality.


1. The Maximum working pressure can be up to 6000psig(414bar);                

2. The Working temperatures can be from -10℉ to 400℉(-23℃ to 204℃);        

3. The Size is from 1/8" to 1" and 3mm to 25mm.

Basic_Ordering NumberConnection Type and Size lnletConnection Type and Size OutletCVDIM in.(mm) ADIM in.(mm) BCLICK
-C1-S2-1/ 8" FD-LOK1/ 8" FD-LOK0.162.19(55.6)5/8(15.875)
-C1-S4-1/4" FD-LOK1/4" FD-LOK0.472.35(59 .7)5/8(15.875)
-C1-S6-3/8" FD-LOK3/8" FD-LOK1.473.17(80.5)5/8(15.875)
-C1-S8-1/2" FD-LOK1/2" FD-LOK1.683.42(86.9)7/8(22.225)
-C1-S12-3/4" FD-LOK3/4" FD-LOK4.484.32(110)1 1/4(31.75)
-C1-S16-1" FD-LOK1" FD-LOK4.484.74(120)1 3/8(34.925)
-C1-SM6-6 mm FD-LOK6 mm FD-LOK0.472.36(59.9)5/8(15.875 )
-C1-SM10-10 mm FD-LOK10 mm FD-LOK1.683.32(84 .3)7/8(22.22 5)
-C1-SM12-12 mm FD-LOK12 mm FD-LOK1.683.42(86.9)7/8(22.225)
-C1-F2-1/8 Female NPT1/8 Female NPT0.161.89(48.0)5/8(15 .875)
-C1-F4-1/4 Female NPT1/4 Female NPT0.472.15(54.6)3/4(19.05)
-C1-F6-3/8 Female NPT3/8 Female NPT1.472.98(75.7)7/8(22.225 )
-C1-F8-1/2Female NPT1/2 Female NPT1.683.58(90.9)1 1/16(26.988)
-C1-F12-3/4 Female NPT3/4 Female NPT4.484.08 (104)1 1/4(31.75)
-C1-F16-1 Female NPT1 Female NPT4.484.84 (123)1 5/8(41.275)
-C1-M2-1/8 Male NPT1/8 Male NPT0.161.71(43.4)5/8(15.875)
-C1-M4-1/4 Male NPT1/4 Male NPT0.472.09(53.1)5/8(15.875)
-C1-M6-3/8 Male NPT3/8 Male NPT1.472.78(70.6)7/8(22.225 )
-C1-M8-1/2 Male NPT1/2 Male NPT1.683.16(80.3)7/8(22.225)
-C1-M12-3/4 Male NPT3/4 Male NPT4.484.08 (104)1 1/4(31.75)
-C1-M16-1 Male NPT1 Male NPT4.484.52(115)1 5/8(41.275)

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