Autoclavable. 
Sign up to receive the latest in industry news, products, & services. Sign up to receive the latest in industry news, products, & services. For the best experience on our site, be sure to turn on Javascript in your browser. We recommend checking chemical compatibility and requesting samples for testing in real operating conditions. Prevent backflow to protect your sensitive equipment. Custom Heat Seal Solutions for Food Packaging, Custom Heat Seal Solutions for Medical Packaging, A975, 1/4" Hose Barb Diaphragm Check Valve, Skip to the beginning of the images gallery. 
2021 Industrial Specialties Mfg. Access My Account, Order History, Lists and more here. Meeting the needs of the scientific and engineering communities since 1955. Our specialists are here to help you find the best product or part available for your application. 
Brewing Salts, Enzymes, Nutrients, Fining & Lautering Aids, Niagara Mist - Fresh & Fruity Wine Spritzers, Glycol/Inline Chillers/Icebanks Kits & Spare Parts, K-Lok (Snaplock & FatLock Compatible) Fittings, RAPT Temperature Controller & Accessories, Cleaning / Sanitising / Chemical Products, Personal Protective Equipment - COVID-19 Supplies, Brewing Water & Methanol Testing Services, Skip to the beginning of the images gallery. 
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For the best experience on our site, be sure to turn on Javascript in your browser. A flow arrow marking on the body points from the inlet to the outlet. JavaScript seems to be disabled in your browser. Fluorosilicone (FVMQ) rubber diaphragms have an excellent operating temperature range, including dry-heat resistance. FVMQ rubbers have good chemical resistance to automotive and aerospace oils, fuels and fluids and against a wide range of other chemicals and solvents. 2022 Cole-Parmer Instrument Company, LLC. Custom Masterflex Single-Use BioProcess Assemblies, Masterflex Single-Use Systems and Assemblies, Masterflex Barbed Check Valves, PVDF and Viton, Masterflex PVDF and Viton Barbed Check Valve, 1/4-inch; 6/Pk, PVDF and Viton Barbed Check Valve, 1/4-inch; 6/Pk, You have successfully subscribed to our newsletter, Add more products on the full Quick Order page, Gear and Positive Displacement Flowmeters, Conductivity, Resistivity, and TDS Control, Temperature Process Controllers and Alarms, Conductivity, Resistivity, and TDS Meters, Mesh Screen Discs, Sheets and Net Filters, High Accuracy Temperature Reference Probes, Masterflex Tubing Chemical Compatibility Database, Masterflex Tubing & Food Compatibility Database, Masterflex Pump Head Roller Material Compatibility Database, Safety Glove Chemical Compatibility Database, Corrosion- and chemical-resistant PVDF and Viton construction. 
2022 Masterflex, LLC. Our specialists are here to help you find the best product or part available for your application. For larger items we do recommend that you use a business address as your primary shipping choice. ISO 9001:2015 Certified Companies Worldwide Suppliers of Pneumatic, Fluidic & Medical Components, End your search, simplify your supply chain. These can be converted to 3, 5, or 7 output by simply unscrewing the 1/4 inch plug from the end of the manifold and inserting one of these 1/4 inch ball valves (see image to the left)Please note, we recommend using teflon plumbers tape when screwing these into any manifold. FVMQ also has excellent resistance to aging. Prevent backflow to protect your sensitive equipment. 
This includes oils, lubricants and hydrocarbons such as gasoline, kerosene and diesel fuel. *CFH is cubic feet per hour and CFM is cubic feet per minute. Ball Cone Spring Check Valve: Single Flow, Inli ~Plumbing~Check Valves and Backflow Preventers~Check Valves. A highly reliable, normally open diaphragm check valve that can be installed in any position. For the best experience on our site, be sure to turn on Javascript in your browser. A594, 1/4" Hose Barb Diaphragm Check Valve, A385, 1/4" Hose Barb Diaphragm Check Valve, PU-1438-85A-500, 1/4" ID x 3/8" OD Tubing, Male Thread x Barb Plastic Tube Connectors, BFJ Series - UNF Threads and 1/8" Male NPT, Female Thread x Barb Plastic Tube Connectors, Automotive Grade Nylon - Straight Tube Connectors, Automotive Grade Nylon - Elbow Hose Connectors, CEL Series - Elbow - Female Thread x Barb, MEB Series - Elbow - Male NPT x Multi-Barb, MEBJ Series - NPT Threaded Elbow Connectors, MEBJ Series - BSPT Threaded Elbow Connectors, Straight Swivel Fittings with Integrated Base Seal, Straight Swivel Fittings with O-Ring Base Seal, Elbow Swivel Fittings with Integrated Base Seal, Elbow Swivel Fittings with O-Ring Base Seal, Tee Swivel Fittings with Integrated Base Seal, Tee Swivel Fittings with O-Ring Base Seal, BFVX Series - Swivel - 1/4-28 Thread x Barb, QCSE Series - Male NPT x Push-In Swivel Elbow, QCSE Series - Male BSPT x Push-In Swivel Elbow, QCSE Series - Metric - Male BSPT x Push-In Swivel Elbow, QCSEG - Male NPT x Push-In Swivel Elbow - Polypropylene, QBTG Series - Swivel Branch Tee - Polypropylene, QBT Series - Metric - Male BSPT x Push-In Swivel Branch Tee, QBT Series - Male BSPT x Push-In Swivel Branch Tee, QMRTS Series - Male BSPT x Push-In Swivel Male Run Tee, QMRTS Series - Metric - Male BSPT x Push-In Swivel Male Run Tee, QMRTG Series - Swivel Male Run Tee - Polypropylene, CIMLA Series - Economical Male Luer x Barb, CFLA Series - Economical Female Luer x Barb, CIMLSRA Series - Economical Male Slip Luer for Lock Ring, CIMLSTA Series - Economical Male Slip Luer to Thread, CFLTA Series - Ecomonical Female Luer x Thread, CFLTE Series - Elbow Female Luer x Male Thread, CFLLFA Series - Economical Female Luer x Female Luer, CMLFLA Series - Economical Male Luer Lock x Female Luer Thread, CFFT Series - Male Luer x Female Luer Tee, ILBA Series - Economical Panel Mount Luers, ICCLA Series - Economical Color Coded Panel Mount Ring, CLMRA Series - Economical Male Luer Lock Ring, CLFSR Series - Finger Snap Luer Lock Ring, CIMLPA Series - Economical Male Luer Lock Plug, CLPA Series - Economical Male Slip Luer Plug, CFLLPA Series - Economical Female Luer Plugs, JCV Series - Compression x Male NPT Check Valve, GHMSB Series - Male Garden Hose x Single Hose Barb, GHMF Series - Male Garden Hose x Female NPT, GHME Series - Male Garden Hose x Hose Barb Elbow, GHMME Series - Male Garden Hose x Male NPT Elbow, GHTT Series - Male Garden Hose x Hose Barb Tee, GHFM Series - Female Garden Hose x Male NPT, GHC Series - Female Garden Hose x Female NPT, Plastic Fitting Barb x Barb Clearance Items, Straight & Elbow Barb x Barb Plastic Fittings on Clearance, Tee & Wye Barb x Barb Plastic Fittings on Clearance, Cross and Panel Mount Barbed Plastic Fittings on Clearance, Plastic Fitting Barb x Thread Clearance Items, Straight Barb x Thread Plastic Fittings on Clearance, Elbow Barb x Thread Plastic Fittings on Clearance, Tee Barb x Thread Plastic Fittings on Clearance, Straight & Elbow Threaded Plastic Fittings on Clearance, Compression Plastic Fittings on Clearance, Visu-Filters - Precision In-Line Fuel Filters, Cylindrical & Conical Shaped Filter Elements, FHN Series - Nipple Filters - Sintered Bronze, RRDJOS Series - Screened Female x Male Threaded Orifice, CVSF Series - Foot Valve Suction Strainer, ISFS Series - Cylindrical Pick-up Filters, CVN/CVP/CVK Series - Precision Molded Check Valves, CVMC Series - Threaded Polypropylene Check Valve, CVNMCB Series - Nylon Check Valve Adapter, CVQCSA Series - Stem x Thread Check Valve, COP Series - Compression x Male NPT Check Valve, CS Series - Female NPT Check Valve - Piston, CHH Series - Female x Male NPT Check Valve - Piston, CVAM Series - Barb x Barb Check Valve - Piston, COFP Series - Nipple Check Valve - Poppet, CSP Series - 5000 psi Check Valve - Poppet, CRTG Series - Modular Check Valve Cartridges, 2601 Series - BSPP Male Stem Adapter Barbed, S2520 Sprint Series - BSPT Male - BSPP Female, 2525 Series - Extended Adapter BSPP Female - BSPP Male, 2541 Sprint Series - BSPP Female - BSPT Male Swivel, S2510 Sprint Series - BSPT Thread Reducer, S2530 Sprint Series - BSPP Female - BSPT Male Reducer, 2531 Series - BSPP Female - BSPP Male Reducer, FEL Series - Male NPT x 10-32 Female Elbow, 2020 Series BSPT Male - BSPP Female/Metric, S2020 Sprint Series - BSPT Male - BSPP Female, S2060 Sprint Series - BSPP Female - BSPT Male, S2090 Sprint Series - BSPT Male - BSPP Female, 2070 Series - BSPP Female - BSPT Male Run Tee, S2070 Sprint Series - BSPT Male - BSPP Female, S2050 Sprint Series - BSPT Male - BSPP Female, S2040 Sprint Series - BSPT Male - BSPP Female, C6520 Series - Male NPT Swivel Elbow with Coated Threads, P6520 Pro-Fit Series - Male NPT Swivel Elbow, 6522 Micro Series - Male BSPP Metric Swivel Elbow, 6522 Series - Male BSPP & Metric Swivel Elbow, 6525 Sprint Series - Extended Male BSPP Swivel Elbow, P6525 Pro-Fit Series - Extended Male NPT Swivel Elbow, C6430 Series - Male NPT Branch Swivel Tee with Coated Threads, P6430 Pro-Fit Series - Male NPT Branch Swivel Tee, S6430 Sprint Series - Male BSPP Branch Swivel Tee, 6432 Micro Series - Male Metric Branch Swivel Tee, 6432 Series - Male BSPP & Metric Branch Swivel Tee, C6440 Series - Male NPT Run Swivel Tee with Coated Threads, P6440 Pro-Fit Series - Male NPT Run Swivel Tee, S6440 Sprint Series - Male BSPP Run Swivel Tee, 6442 Micro Series - Male Metric Run Swivel Tee, 6442 Series - Male BSPP & Metric Run Swivel Tee, C6450 Series - Male NPT Swivel "Y" with Coated Threads, P6450 Pro-Fit Series - Male NPT Swivel "Y", S6450 Sprint Series - Male BSPP Swivel "Y", 6452 Micro Series - Metric Male Swivel "Y", S6520 Sprint Series Male BSPP Swivel Elbow, GHMM Series - Male Garden Hose x Male NPT, GHMFM Series - Male Garden Hose x Female NPT, GHMBM Series - Male Garden Hose x Hose Barb, GHFMM Series - Female Garden Hose x Male NPT, GHCM Series - Female Garden Hose x Female NPT, GHFBMS Series - Female Garden Hose x Hose Barb, CTF Series - Female Branch Compression Tee, Straight & Elbow Hose Barb Clearance Items, Metal Threads - Straight & Elbow Clearance Items, Metal Threads - Tee, Plug & Cap Clearance Items, QCS-PO Series - Push In x Male Thread Orifice, QCSA-PO Series - Stem x Male Thread Orifice, RRD Series - Female x Male Threaded Orifice, QUCB Series - Metric - Push-In x Push-In Bulkhead, QCS Series - Metric - Male BSPT x Push-In, QUCG Series - Union Connector - Polypropylene, QUCBG Series - Union Bulkhead - Polypropylene, QCSG Series - Male NPT x Push-In - Polypropylene, QCSSG Series - Push-In x Stem - Polypropylene, QCSAG Series - Male NPT x Stem - Polypropylene, QTHG Series - Hose Barb x Stem Adapter - Polypropylene, QTCG Series - Union Elbow - Polypropylene, QCUEG Series - NPT x Push-In Fixed Elbow - Polypropylene, QCSEEG Series - Push-In x Stem Elbow - Polypropylene, QTHEG Series - Hose Barb x Stem Elbow - Polypropylene, QYG Series - Two Way Divider "Y" Connector - Polypropylene, QCSM Series - Tube x Male Thread - Metric, QCSMH Series - Tube x Male NPT Thread - Heavy Duty, QCSMH Series - Tube x Male Thread - Heavy Duty - Metric, QFSMPM Series - Tube x Female NPT Thread - Panel Mount, QFSMPM Series - Tube x Female Thread - Panel Mount - Metric, QFSMF Series - Tube x Female Thread - Metric, QUCBM Series - Tube x Tube Panel Mount - Fractional & Metric, QCUEPM Series - Tube x Male Elbow - Metric, QCUEPML Series - Tube x Long Male NPT Elbow, QCUEPML Series - Tube x Long Male Elbow - Metric, QUEPM Series - Tube x Male NPT Swivel Elbow, QUEPM Series - Tube x Male Swivel Elbow - Metric, QUEPMF Series - Tube x Male/Female NPT Swivel Elbow, QUEPMF Series - Tube x Male/Female Swivel Elbow - Metric, QFEP Series - Tube x Female Elbow - Metric, QCSEEP Series - Tube x Stem Elbow - Fractional, QCSEEP Series - Tube x Stem Elbow - Metric, QYSP Series - Stem x Tube Divider - Fractional, QYSP Series - Stem x Tube Divider - Metric, QYPPM Series - Tube x Male Divider - Metric, SMUPT Series - Tube x Stem Manifold - Fractional, SMUPT Series - Tube x Stem Manifold - Metric, SMUP Series - Union Manifold - Fractional, 6580 Micro Series - Metric Union Connector, 6590 Micro Series - Metric Union Bulkhead, 6512 Micro Series - Male BSPP & Metric Connectors, 6512 Series - Male BSPP & Metric Connectors, C6510 Series - Male NPT Connector with Coated Threads, P6510 Pro-Fit Series - Male NPT Connector, S6510 Sprint Series - Male BSPP Connector, 6463 Series - Female BSPT & Metric Connector, 6811 Sprint Series - Metric Stem Adapter, C6500 Series - Male NPT Fixed Elbow with Coated Threads, S6500 Sprint Series - Male BSPT Fixed Elbow, QCS-UT Series - Nickel Plated Universal Threads, QCSE-UT Series - Nickel Plated Universal Threads, QMRT-UT Series - Nickel Plated Universal Threads, QBT-UT Series - Nickel Plated Universal Threads, PMBV2 Series - 2-Way Ball Valves - Panel Mount, BVPP Series - Ball Valves - Polypropylene, TQF Series - 3/4" Female NPT Inlet Ball Valves, PBV3 Series - 3-Way Ball Valve - Panel Mount, FBV Series - Forged Brass Mini-Ball Valves, BV2SEL Series - 2-Way Safety Exhaust Locking Ball Valves, BVSS Series - 2 Way Stainless Steel Ball Valves, SSBV Series - 2 Way Stainless Steel Full Port Ball Valves, SFCA Series - Push In x Male NPT - Needle Valve, GMCU Series - Meter-Out Valves - Fractional, GMCU & MCU Series - Meter-Out Valves - Fractional, GSCU Series - Meter-Out Valves - Fractional, SCU Series - Meter-Out Valves - Fractional, GSVU Series - Meter-In Valves- Fractional, SVU Series - Meter-In Valves - Fractional, MVU Series - Meter-In Valves - Fractional, GMVU Series - Meter-In Valves - Fractional, PINV Series - Pinch Valve with Micrometer, MJ Series - Serviceable Muffler - Standard Design, MJJ Series - Serviceable Muffler - Slim Design, HPV Series - Breather Vent with Splash Guard, PBHV Series - Single Barbed Panel Mount Bulkhead, PBH Series - Multi Barbed Acetal Panel Mount Bulkhead, BHRW Series - Multi Barbed Panel Mount Bulkhead, PM Series - Panel Mount Hose Barb Connectors, BH Series - Bulkhead Hose Barb Connectors, PML Series Panel Mount Hose Barb Elbow Connectors, BHL Series - Bulkhead Hose Barb Elbow Connectors, FPMM Series - Female NPT Panel Mount Connectors, BHBB Series - Barbed Panel Mount Bulkhead, FBH Series - Threaded Panel Mount Bulkhead, FBFM Series - Threaded Panel Mount Bulkhead, FBHM Series - Threaded Panel Mount Bulkhead, FBHF Series - Threaded Panel Mount Bulkhead, FBHC Series - Compression Panel Mount Bulkhead, 10PP Series - Polypropylene Quick Couplings, SM Series - Acetal Mini Twist Quick Connect/Disconnect, NS2 Series - Polypropylene Quick Connect/Disconnect, Plastic Body Thumb Latch Style- Quick Couplings, 20PP Series - Polypropylene Quick Couplings, 20PP Series - Almond Polypropylene Quick Couplings, 40PP Series - Polypropylene Quick Couplings, 40PP Series - Almond Polypropylene Quick Couplings, 42AB Series - ABS Dual Tube Quick Couplings, 42AC Series - Acetal Dual Tube Quick Couplings, 50PP Series - Polypropylene Quick Couplings, 50GP Series - Glass-Filled Polypropylene Quick Couplings, 55GP Series - Non-Spill Glass Filled Polypropylene Quick Couplings, 60PP Series - Polypropylene Quick Couplings, 60PP Series - Black Polypropylene Quick Couplings, 60PS Series - Polysulfone Quick Couplings, 60PS Series - UV-Resistant Black Polysulfone Quick Couplings, 65GP Series - Glass-Filled Polypropylene Quick Couplings, APC Series - Acetal Quick Connect/Disconnect, PLC Series - Acetal Quick Connect/Disconnect, PMC Series - Acetal Quick Connect/Disconnect, EFC Series - Polypropylene Quick Connect/Disconnect, PLC Series - Polypropylene Quick Connect/Disconnect, PMC Series - Polypropylene Quick Connect/Disconnect, Metal Body Thumb Latch Style - Quick Couplings, 20CB Series - Chrome Plated Quick Couplings, 40CB Series - Chrome Plated Quick Couplings, LC Series - Chrome Plated Brass Quick Connect/Disconnect, MC Series - Chrome Plated Brass Quick Connect/Disconnect, Industrial Interchange - Male Ball Swivel, Industrial Interchange - Ball Swivel Filter, SH20 Series - Hydraulic and Fluid Transfer, S40 Series - One Hand Operation, General Purpose, S51 Series - Heavy Duty - Double Shut Off, S70 Series - One Hand Connection Under Full System Pressure, S80 and S82 Series - Pneumatic Interchange, FF49 Series - Flush Face, Heavy Duty, Non-Spill, FFE49 Series - Flush Face, Heavy Duty, Non-Spill, SMG Series - Peroxide-Cured Silicone Tubing, SMGX Series - Platinum-Cured Silicone Tubing, SMGR Series - Peroxide-Cured Braid Reinforced Silicone Tubing, PTH Series - Premium Thermoplastic Push-On Style Hose, GCB Series - Center Back Connect Dry Gauges, GCBGF Series - Center Back Glycerin Filled Gauges, GLCGF Series - Lower Connect Glycerin Filled Gauges, CFLTE Series - Elbow Female Luer X Male Thread, CFFT Series - Male Luer X Female Luer Tee, 20PP Series - Medical Almond Polypropylene Quick Couplings, 40PP Series - Medical Almond Polypropylene Quick Couplings, 42AB Series - Medical ABS Dual Tube Quick Couplings, 50PP Series - Medical Polypropylene Quick Couplings, 60PP Series - Medical Polypropylene Quick Couplings, 60PS Series - Medical Polysulfone Quick Couplings, CIML7 Series - ISO 80369-7 Male Luer x Barb, CFL7 Series - ISO 80369-7 Female Luer x Barb, ILB7 Series - ISO 80369-7 Female Luer x Barb Panel Mount, BNP7 Series - ISO 80369-7 Male Luer x Bond In Port, FCV7 Series - ISO 80369-7 Filtered Check Valves, F5100 Series Subminiature Pressure Switch, F5300 Series Low Differential Pressure Switch, V5300 Series Low Differential Vacuum Switch.
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