Shand & Jurs. We supply industrial safety relief valves, tank fittings We supply industrial safety relief valves, tank fittings. Return to L&J Technologies Main Page



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Shand & Jurs. We supply industrial safety relief valves, tank fittings

Pilot Operated
Relief Valves

Shand & Jurs S&J 94640 S&J 94100 S&J 94030

Model # Description Type
94630 Pilot Operated Relief Valve Magnetic Pilot
94640 Pilot Operated Relief Valve Diaphragm Pilot
94645 Pilot Operated Relief Valve (Diaphragm Pilot) Diaphragm Pilot

Shand & Jurs 94630 Pilot Operated Relief Valve (Magnetic Pilot)
Shand & Jurs 94630 Pilot Operated Relief Valve (Magnetic Pilot)
  • Magnetic pilot opens fully, instantly, at set pressure with no overpressure required
  • Heavy duty design suitable for severe environments
  • Stainless steel construction NOT affected by low temperature variations
  • Adjustable blowdown pilot design provides adjustment for extremely low blowdown
  • Full area bellows provides for high lift and excellent flow
  • Vacuum capability
Available with Expanda-Seal Option


Shand & Jurs 94640 Pilot Operated Relief Valve (Diaphragm Pilot)
Shand & Jurs 94640 Pilot Operated Relief Valve (Diaphragm Pilot)
  • Operating pressure between 2" w.c. to 15 psig
  • Valve sizes 2" x 3", 3" x 4", 4" x 6", 6" x 8", 8" x 10" and 10" x 12".
  • Adjustment of the valve can be made externally
  • Seat is Bubble tight to set pressure
  • Fully open at 10% above set pressure
  • Minimize VOC's and odor emissions


Shand & Jurs 94645 Pilot Operated Relief Valve (Diaphragm Pilot)
Shand & Jurs 94645 Pilot Operated Relief Valve (Diaphragm Pilot)
  • Operating vacuum between -3” w.c. to -5 psig
  • Valve sizes 2” x 3”, 3” x 4”, 4” x 6”, 6” x 8”,
    8” x 10” and 10” x 12”.
  • Adjustment of the valve can be made externally
  • Seat is Bubble tight to set pressure
  • Snap action or modulating mode
  • Fully open at set pressure in snap action mode
  • Minimize VOC’s and odor emissions



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