RELIEF FITTING,RELIEF VALVE

  
  • Manufactured from mild steel
  • Useful for applications where excessive lubrication pressure is not desirable.
  • Yellow zinc plated for maximum resistance to corrosion
  • Fittings open up at pre-determined pressures
  • Used as safety valves on gear box housings, king pins & universal joints
picture
>75 hrs
to RED RUST


Art.Nr Vent Position Overall Length Shank Length Effective Thread Length Hex Size Relief Pressure
mm mm mm (Min.) Max.)
1/8" - 27 PTF Special Short Thread
677/1-5 Side 12.7 7.1 4.4 7/16" 1 PSI 5 PSI
677/ 7½- 15 Side 12.7 7.1 4.4 7/16" 7½ PSI 15 PSI
677/ 15-25 Side 12.7 7.1 4.4 7/16" 15 PSI 25 PSI
677/ 45-80 Side 12.7 7.1 4.4 7/16" 45 PSI 80 PSI
A8RV/ ¼ - 1 Top 12.7 App 7.54 4.76 7/16" ¼ PSI 1 PSI
A8RV/1- 5 Top 12.7App 7.54 4.76 7/16" 1 PSI 5 PSI
A8RV/ 7½ - 15 Top 12.7App 7.54 4.76 7/16" 7½ PSI 15 PSI
A8RV/15- 25 Top 12.7App 7.54 4.76 7/16" 15 PSI 25 PSI
A8RV/45- 80 Top 12.7App 7.54 4.76 7/16" 45 PSI 80 PSI
A8RV/100- 200 Top 12.7App 7.54 4.76 7/16" 100 PSI 200 PSI
A8RV/400- 650 Top 12.7App 7.54 4.76 7/16" 400 PSI 650 PSI
1/2" - 14 PTF Special Short Thread
A2RV/1- 5 Top 21.0App 14 9.90 13/16" 1 PSI 5 PSI
1/4" - 18 PTF Special Short Thread
A4RV/ ¼ - 1 Top 17.0App 10.70 6.80 9/16" ¼ PSI 1 PSI
A4RV/1- 5 Top 17.0App 10.70 6.80 9/16" 1 PSI 5 PSI
A4RV/ 7½ -15 Top 17.0App 10.70 6.80 9/16" 7½ PSI 15 PSI
A4RV/15-25 Top 17.0App 10.70 6.80 9/16" 15 PSI 25 PSI
A4RV/45-80 Top 17.0App 10.70 6.80 9/16" 15 PSI 15 PSI
Drive - Fitting
DFRV/1- 5 Top 12.7App - - - 1 PSI 5 PSI
M10x1 Threads
M10RV Top 13.0App 7.5 - 11 mm ¼ PSI 3 PSI
M10RVS/15-25 Top 16.4App 6.5 - 7/16" 15 PSI 25 PSI
ALRV (Brass) Top 16.4App 6.5 - 7/16" 15 PSI 25 PSI



Relief Valve 677-1 to 5 PSI Relief Valve 677-7 to 15 PSI Relief Valve 677-15 to 25 PSI Relief Valve 677-45 to 80 PSI
1/8"x27 PTF SPL.SHORT THREAD 1/8"x27 PTF SPL.SHORT THREAD 1/8"x27 PTF SPL.SHORT THREAD 1/8"x27 PTF SPL.SHORT THREAD

 

Relief Valve A8RV 1/4 to 1 PSI Relief Valve A8RV 1 to 5 PSI Relief Valve A8RV 7.5 to 15 PSI Relief Valve A8RV 15 to 25 PSI
1/8"x27 PTF SPL.SHORT THREAD 1/8"x27 PTF SPL.SHORT THREAD 1/8"x27 PTF SPL.SHORT THREAD 1/8"x27 PTF SPL.SHORT THREAD

 

Relief Valve A8RV 45 to 80 PSI Relief Valve A8RV 100 to 200 PSI Relief Valve A8RV 400 to 600 PSI Relief Valve A2RV 1 to 5 PSI
1/8"x27 PTF SPL.SHORT THREAD 1/8"x27 PTF SPL.SHORT THREAD 1/8"x27 PTF SPL.SHORT THREAD 1/2"x14 PTF THREAD

 

Relief Valve A4RV 1 to 4 PSI Relief Valve A4RV 1 to 5 PSI Relief Valve A4RV 7.5 to 15 PSI Relief Valve A4RV 15 to 25 PSI
1/4"x18 PTF THREAD 1/4"x18 PTF THREAD 1/4"x18 PTF THREAD 1/4"x18 PTF THREAD

 

Relief Valve A4RV 45 to 80 PSI Relief Valve DFRV 1 to 5 PSI Relief Valve M10RV Relief Valve M10RVS 15 to 25 PSI
1/4"x18 PTF THREAD DRIVE FITTING M10x1 THREAD M10x1 THREAD

 

Relief Valve
M10x1 THREAD



ILLUSTRATIONS-ACTUAL SIZE