RK Non-Return (Check) Valves

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RK non-return (check) valves

GESTRA's RK (wafer-type) non-return valves are for sandwiching between flanges. 

The valve has a spring to allow installation in any position. 

The valve self-centering body uses patented centering cams specifically for RK 86/ RK 86A which make installation easier and faster, reducing costs. 

Our RK non-return valves are ideal for liquids, gases and vapour applications.

What are the features?

  • Safe operation in industrial plants
  • Compact design, short face-to-face dimensions for easier installation
  • Wide choice of materials to suit applications across many industrial fluids

Sales brochures (PRO)

Document Language Reference number Download
A - B Product overview English PRO_810815 Download PDF
Non-return (check) valves for HVAC systems, sanitary applications and industrial technology English PRO_810107 Download PDF
Product range technical information, 2021 English PRO_850128 Download PDF

Data sheets (DBL)

Document Language Reference number Download
LED Bargraph Display MB 1 English DBL_819348 Download PDF
Non-Return Valve RK 70, PN 6, DN 15-200 English DBL_810269 Download PDF
Non-Return Valve SRK 22A suitable for clamp connections to DIN 32676, for pipes to DIN 11866 (DIN 11850, ISO 1127, ASME-BPE) PN 10 English DBL_819232 Download PDF
Non-Return Valve for Sandwiching between Flanges PN 10/16/25/40, ASME Class 125/150/300 RK 86, RK 86A, DN 15-200, NPS 1/2-8 RKE 86, RKE 86A, DN 15-100, NPS 1/2-4 English DBL_810493 Download PDF
Non-Return Valve for Sandwiching between Flanges PN 6/10/16, ASME Class 125 RK 41, DN 15-200, NPS ½-8 English DBL_810304 Download PDF
Non-Return Valve for Sandwiching between Flanges PN 6/10/16, ASME Class 125 RK 44, DN 15-200, NPS ½-8 English DBL_810009 Download PDF
Non-Return Valve for Sandwiching Between Flanges PN 6/10/16/25/40, ASME Class 125/150/300 RK 76 DN 15-100, NPS ½-4 English DBL_810294 Download PDF
Non-Return Valve RK 16A ASME 150 / 300, PN 10 /16 / 25 / 40 DN 15 – 100 mm (½" – 4") English DBL_810388 Download PDF
Non-Return Valve RK 16C, PN 40, DN 15-100 Hastelloy C English DBL_819347 Download PDF
Non-Return Valve RK 26A For Flanges PN 10/16/25/40, DN 15-100 ASME Class 150/300 English DBL_818698 Download PDF
Non-Return Valve RK 29A for Flanges PN 63/100/160/250/320/400 ASME Class 400/600/900/1500/2500 English DBL_818613 Download PDF
Non-Return Valve RK 44S, PN 6/10/16, DN 15-200 English DBL_810035 Download PDF
Non-Return Valve RK 49 for Flanges PN 63/100/160, DN 15-200 Class 400/600/900, NPS ½ – 8 English DBL_818982 Download PDF
Non-Return Valve RK 71 for Flanges PN 6/10/16, DN 15-100 English DBL_810465 Download PDF
Non-Return Valves MB 14 PN 16 DN ½" – 2" English DBL_810176 Download PDF

Installation and maintenance instructions (BAN)

Document Language Reference number Download
Installation Instructions MB 14 (de-en-fr-es) International BAN_808281 Download PDF
Installation instruction and operating manual - non-return valves RK, RKE (de-en) International BAN_809080 Download PDF
Installation instructions SBO 11, SBO 21 (de-en-fr-es-it-nl) International BAN_807991 Download PDF
Installation instructions SBO 31 (de-en-fr-es-it) International BAN_808094 Download PDF
Non-Return Valve SRK 22A English BAN_819238 Download PDF
Retrofitting Instructions RK Stroke Limiter DN 15 to DN 100 (de-en-fr-es-it-ru-nl) International BAN_808931 Download PDF

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