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Your are now in the overview of an article: R91
Choose a version from the table underneath, please.

Diaphragm miniature pressure regulator of small and lightweight design.
All fluid-contact parts of R91-..K are approved by the FDA.

Area food industry and water circulation, e.g. for dialysis devices
Media: compressed air, non-corrosive gases, deionized water or other liquids.
Supply_pressure: max. 10 bar
Adjustment: by plastic knob with snap-lock
Relieving_function: non-relieving for drinking water (FDA), relieving for compressed air
Gauge_port: G1∕8 on both sides of the body
Mounting_postion: any

Temperature_range: 0 °C to 60 °C / 32 °F to 140 °F

Material for drinking water
Body: acetal
Elastomer: acetal and nylon-reinforced nitrile, NBR/Buna-N
Valve+o-ring: stainless steel and EPDM, FDA-approved

Material for compressed air
Body: acetal
Elastomer: acetal and nylon-reinforced nitrile, not FDA-approved
Valve+o-ring: brass, nitrile and NBR/Buna-N

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part numberconnectionsupply pressure max. [bar]pressure range [bar]flow rate air [Nl/min]flow rate water [l/min]Price plus VAT (EU)
R91-02BK G1/4100,1...3,5380646,90 €
R91-02CK G1/4100,1...8,5380646,90 €
R91-02B G1/4100,1...3,5380-34,50 €
R91-02C G1/4100,1...8,5380-34,50 €