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Pressure Controls

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694 Group Photo

694 SERIES FLOW RESTRICTOR VALVE

  • The 694 Series Flow Restrictor Valve incorporates a 1/4” NPT Polypropylene Body and Flow Restrictor insert that operates as a flexible orifice to provide reliable flow regulation from .07 to 3.96 Gallons Per Minute.
  • Minimum inlet pressure is 15 psi to reach metered flow rate. 
  • Maximum inlet pressure ...

693-Group-Photo

693 SERIES FLOW RESTRICTOR VALVE

  • The 693 Series Flow Restrictor Valve incorporates a 3/8” NPT Polypropylene Body and Flow Restrictor insert that operates as a flexible orifice to provide reliable flow regulation from .07 to 3.96 Gallons Per Minute.
  • Minimum inlet pressure is 15 psi to reach metered flow rate. 
  • Maximum inlet pressure ...

685 Group Photo

685 SERIES FLOW RESTRICTOR VALVE

  • The 685 Series Flow Restrictor Valve incorporates a 1/2” NPT Polypropylene Body and Flow Restrictor insert that operates as a flexible orifice to provide reliable flow regulation from .26 to 3.96 Gallons Per Minute.
  • Minimum inlet pressure is 15 psi to reach metered flow rate. 
  • Maximum inlet pressure is 125 psi.
  • All materials are NSF Approved under ...

687-group-photo

687 SERIES FLOW RESTRICTOR VALVE

  • The 687 Series Flow Restrictor Valve incorporates a 3/4” NPT Polypropylene Body and Flow Restrictor insert that operates as a flexible orifice to provide reliable flow regulation from .26 to 3.96 Gallons Per Minute.
  • Minimum inlet pressure is 15 psi to reach metered flow rate. 
  • Maximum inlet pressure is ...

555 Group Photo

555 SERIES BALANCED PRESSURE REGULATOR

  • The 555 Series Off Line Balanced Pressure Regulator is designed for carwash and pressure wash applications where a weep gun is used or bypass can be returned to the supply tank.
  • The 555 Series Off Line Regulator is available in three standard spring pressure ranges to 2000 psi and can be used in systems with more than one outlet.
  • The 555 Series Off Line Regulator mounts to a “T” from the pump outlet ...

556-Group Photo

556 SERIES BALANCED PRESSURE REGULATOR

  • The 556 Series In Line Balanced Pressure Regulator is designed for carwash and pressure wash applications where a weep gun is used or bypass can be returned to the supply tank.
  • The 556 Series In Line Regulator is available in three standard spring pressure ranges 2000 psi and can be used in systems with more than one outlet.
  • The 556 Series In Line Regulator mounts to the pump outlet and is repairable. ...

579-Photo

579 SERIES BALANCED PRESSURE REGULATOR

  • The 579 Series Off Line Balanced Pressure Regulator is designed for carpet cleaner and small pressure wash applications where a weep gun is used or bypass can be returned to the supply tank.
  • The 579 Series Off Line Regulator is available in two spring pressure ranges of 500 and 1000 psi and can be used in systems with more than one outlet.
  • The 579 Series Off Line Regulator mounts ...

003-Unloader-Photo

003 SERIES PRESSURE UNLOADER

  • The 003 Series Unloader is designed is for low pressure cold water pressure wash applications.
  • The 003 Series Unloader traps pressure in the line when the spray gun is closed.
  • The bypass port opens and fluid flows back to the inlet side of the pump or reservoir, allowing the pump to run under significantly reduced pressure.
  • ...

498-Group-Photo

498 SERIES PRESSURE LIMITING VALVE

  • The 498 Series Pressure Limiting Valve is designed for specific combinations of volume and pressure to fit the exact end use application.
  • The 498 Series Pressure Limiting Valves are non-adjustable, tamper proof and will operate in any orientation.
  • The system pressure will drop to approximately 50% of the Maximum Operating Pressure when the 498 is in By-Pass mode. ...

HI-LO-Photo

433 SERIES HI-LO NOZZLE

  • The SMC HI-LO Nozzle design covers 1/8" cold water applications for use with a downstream injector, like the SMC 588 Chemical Injector.
  • The HI-LO Nozzle adjusts from low pressure (20 psi - 100 psi) for chemical injection, to high pressure (1200 psi) for clear rinse.
  • Change from soap to high pressure rinse, at a 20 degree spray angle flat pattern, with a turn of the ...

ST-Nozzle-Group-Photo

ST SERIES NOZZLE

  • The ST Series Nozzle design incorporates a Stainless Steel Tip in a Nickel Plated Brass Body.
  • The ST Series Nozzle is available in 1/8 and 1/4 Male or Female NPT, and the Long Tee to fit a standard Nozzle Compression Nut.
  • The three ST Nozzle flow patterns are 0 Degree Straight Stream, 20 Degree Flat Fan and 40 Degree Flat Fan.
  • ...

Sprayflex-Group-Photo

527 SERIES SPRAYFLEX NOZZLE

  • The SMC Sprayflex Nozzle design covers 1/8" and 1/4" applications.
  • The Sprayflex is a variable pattern nozzle from a O-Degree Straight Stream to 80-Degree Flat Fan.
  • The Sprayflex is available in the standard brass cap or polyester cap for hot water applications up to 1500 psi.
  • ...

588-Injector-Photo

588 SERIES CHEMICAL INJECTOR

  • The SMC 588 Chemical Injector design covers 3/8" downstream injection applications.
  • The 588 Injector is ideal for use with the SMC 433 Series Hi-Lo Nozzle.
  • A check valve built into the injection barb keeps high pressure rinse water from flowing into the chemical container.
  • The 588 ...

515-Thum-Gun-Photo

515 SERIES THUM-GUN

  • The 515 Series Thum-Gun is designed for comfort and ease of operation.
  • The natural position of the vinyl covered handle and easy action thumb operated trigger minimize user fatigue.
  • The 515 Thum-Gun features a shielded trigger with safety lock to prevent accidental trigger operation.
  • ...

711-Rolover-Photo

711 SERIES ROLOVER VALVE

  • The 711 Series Rolover Valve promotes multiple configurations to fit the exact end use application.
  • The 711 Rolover comes standard with a 90 Degree Elbow and is commonly used as a selector valve allowing the user to switch easily between two different spray nozzles.
  • The 711 Rolover on a typical pressure wash application would utilize the economical SMC S/T Series Nozzles using a high pressure ...

713-Rolover-Photo

713 SERIES ROLOVER VALVE

  • The 713 Rolover is available with a 1/4" Female NPT or 11/16-16 Swivel Nut Inlet and 11/16-16 Nozzle Thread Outlets.
  • The 713 Rolover is commonly used as a selector valve allowing the user to switch easily between two different spray nozzles in an agricultural or industrial application.
  • The standard configuration comes with one of the Outlet Nozzle Thread Nuts nickel plated and the ...

667THDL

667 Relief Valve

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  • The 667 Series Relief Valve incorporates a guided piston and large flow area design for full flow with minimum pressure loss.
  • The 667 Series Relief Valve is available with a T-Style Adjustment Handle or a Screw Slot with Wire Lock-Out Stop Nut.
  • The 667 Relief Valve is available with a choice of two spring pressure ranges to 250 psi and can be used in systems with more than one outlet.


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