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Instrumentation Valves

Ham-Let Group features are wide variety of valves for many uses, including needle valves, ball valves, check valves, and relief valves. Our valves span a wide range of temperature and pressure ratings.
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- Category H300U - Integral Bonnet Remove This Item
- Valve Pattern Straight Remove This Item
- H300USSLR3MMRS$136.22H300U Series, SS Needle Valve, 3mm Let-Lok x 3mm Let-Lok, Regulating Stem, Black Plastic Round Handle Learn More
- H300USSLR3MMM$156.71H300U Series, SS Needle Valve, 3mm Let-Lok x 3mm Let-Lok, Regulating Stem, Metal Bar Handle Learn More
- H300USSLR3/8RSOC$195.49H300U Series, SS Needle Valve, 3/8" Let-Lok x 3/8" Let-Lok, Regulating Stem, Black Plastic Round Handle, Oxygen Clean Learn More
- H300USSLR3/8RS$169.93H300U Series, SS Needle Valve, 3/8" Let-Lok x 3/8" Let-Lok, Regulating Stem, Black Plastic Round Handle Learn More
- H300USSLR3/8RAS$196.76H300U Series, SS Needle Valve, 3/8" Let-Lok x 3/8" Let-Lok, Regulating Stem, Black Aluminum Round Handle Learn More
- H300USSLR3/8RAG$201.48H300U Series, SS Needle Valve, 3/8" Let-Lok x 3/8" Let-Lok, Regulating Stem, Green Aluminum Round Handle Learn More
- H300USSLR3/8RAB$196.76H300U Series, SS Needle Valve, 3/8" Let-Lok x 3/8" Let-Lok, Regulating Stem, Blue Aluminum Round Handle Learn More
- H300USSLR3/8MOC$224.75H300U Series, SS Needle Valve, 3/8" Let-Lok x 3/8" Let-Lok, Regulating Stem, Metal Bar Handle, Oxygen Clean Learn More
- H300USSLR3/8M$195.49H300U Series, SS Needle Valve, 3/8" Let-Lok x 3/8" Let-Lok, Regulating Stem, Metal Bar Handle Learn More
- H300USSLR3/4RS$374.36H300U Series, SS Needle Valve, 3/4" Let-Lok x 3/4" Let-Lok, Regulating Stem, Black Plastic Round Handle Learn More
- H300USSLR3/4RAR$430.54H300U Series, SS Needle Valve, 3/4" Let-Lok x 3/4" Let-Lok, Regulating Stem, Red Aluminum Round Handle Learn More
- H300USSLR3/4M$430.54H300U Series, SS Needle Valve, 3/4" Let-Lok x 3/4" Let-Lok, Regulating Stem, Metal Bar Handle Learn More
- H300USSLR12MMRSLF$201.35H300U Series, SS Needle Valve, 12mm Let-Lok x 12mm Let-Lok, Regulating Stem, Black Plastic Round Handle, Lubricant Free Learn More
- H300USSLR12MMRS$175.02H300U Series, SS Needle Valve, 12mm Let-Lok x 12mm Let-Lok, Regulating Stem, Black Plastic Round Handle Learn More
- H300USSLR12MMMOC$231.48H300U Series, SS Needle Valve, 12mm Let-Lok x 12mm Let-Lok, Regulating Stem, Metal Bar Handle, Oxygen Clean Learn More
- H300USSLR12MMM$201.35H300U Series, SS Needle Valve, 12mm Let-Lok x 12mm Let-Lok, Regulating Stem, Metal Bar Handle Learn More
















