Diba Omnifit® Injection Valves

Designed for low-pressure chromatography systems
Manual sample injection valve 21939-18 is designed for low-pressure chromatography systems. Easily introduce reproducible sample volumes using the included 0.5 mm, 1.0 mm, and 2.5 mm loops and 5-mL syringe.

Six-port loop injection valve 21940-24 has a "click-stop" mechanism for easy port identification. It is constructed from PTFE with a PEEK™ casing and PCTFE rotor and withstands pressures up to 500 psi (33 bar). Valve accepts 1/4"-28 UNF(M) fittings and features a 0.8 mm bore and M3 mounting holes. Use plug 21940-04 to seal any unused ports.
£440.87 - £740.23GBP / Each
£529.04 - £888.28GBP (incl VAT)

2 variations of this product are available.

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Compareitem specifications
Inlet Port Max Pressure (bar) Max Pressure (PSI)
Availability Pricing
Diba Omnifit® Manual Sample Injection Valve; 1/ea WZ-21939-18 Mfr # 001106
1 port 20.5 300
£740.23GBP / Each
£888.28GBP (incl VAT)
Diba Omnifit® Loop Injection Valve, 6-port WZ-21940-24 Mfr # 001127-6LI
6 ports 33 500
£440.87GBP / Each
£529.04GBP (incl VAT)
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