Models 19, 20 and 200

20

Same as Model 20M except with packed lift lever. Maximum back pressure of 50 psig.

Features

  • Both inlet and outlet connections are cast integral with body to permit easy inspection and servicing without disconnecting piping.
  • Beveled seats lapped for optimum resistance.
  • SS spring for optimum corrosion resistance.
  • Optional flange connections available.

Model 19

Pressure Limit:1 to 300 psig
Temperature Limit:-60° to 406°F
Sizes (NPT):1/2'', 3/4'', 1'', 1-1/4'', 1-1/2'', 2'', 2-1/2'', 3''

Applications

  • Non-code liquid relief.
  • Overpressure relief and protection of pumps, tanks, lines and hydraulic systems.
  • Pressure regulation.
  • Continuous bypass relief.

All bronze, equipped with handwheel for easy adjustment within spring ranges.

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Model 19M

Pressure Limit:1 to 500 psig
Temperature Limit:-60° to 406°F
Sizes (NPT): 2-1/2''and 3''

Applications

  • Non-code liquid relief.
  • Overpressure relief and protection of pumps, tanks, lines and hydraulic systems.
  • Pressure regulation.
  • Continuous bypass relief.

Same as Model 19 except SS trim (seat and disc). For higher pressure settings or severe applications.

 

 

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Model 20

Pressure Limit:1 to 300 psig
Temperature Limit:-60° to 406°F
Sizes (NPT):1/2'', 3/4'', 1'', 1-1/4'', 1-1/2'', 2'', 2-1/2'', 3''

Applications

  • Non-code liquid relief.
  • Overpressure relief and protection of pumps tanks, lines and hydraulic systems.
  • Pressure regulation.
  • Continuous bypass relief.

All bronze, with pressure-tight cap. Suitable for maximum back pressure of 50 psig.

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Model 200A

Pressure Limit:10 to 200 psig
Temperature Limit:-60° to 406°F
Sizes (NPT): 3/4'', 1'', 1-1/4'', 1-1/2''

Applications

  • Non-code liquid relief.
  • Overpressure relief and protection of pumps tanks, lines and hydraulic systems.
  • Pressure regulation.
  • Continuous bypass relief.

Special non-chattering design. Recommended for light oils and continuous by-pass or pressure regulation. UL listed for light oil service.

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Model 200H

Pressure Limit:10 to 200 psig
Temperature Limit:-60° to 406°F
Sizes (NPT): 3/4'', 1'', 1-1/4'', 1-1/2'', 2''

Applications

  • Non-code liquid relief.
  • Overpressure relief and protection of pumps tanks, lines and hydraulic systems.
  • Pressure regulation.
  • Continuous bypass relief.

Same as Model 20. UL listed for use with fuel oils.

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Model 20M

Pressure Limit:1 to 500 psig
Temperature Limit:-60° to 406°F
Sizes (NPT): 2-1/2'' and 3''

Applications

  • Non-code liquid relief.
  • Overpressure relief and protection of pumps tanks, lines and hydraulic systems.
  • Pressure regulation.
  • Continuous bypass relief.

Same as Model 20 except SS trim (seat and trim). For higher pressure settings or severe applications. Maximum back pressure of 50 psig.

Identique au modèle 20 sauf garnitures en acier inoxydable (siège et disque). Pour les réglages de pression plus élevée ou des applications sévères. Pour une contre-pression maximum de 50 psig.


Caractéristiques
■
Les deux raccords d’admission et de sortie sont intégrale moulée avec le corps pour permettre l’inspection facile et l’entretien sans déconnecter la tuyauterie.

■ Sièges biseautés rodés pour une résistance optimale.

■ Ressort en acier inoxydable pour la résistance à la corrosion optimale.

■ Raccords à bride optionnelle disponibles.

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Model 20MP

Pressure Limit: 1 to 500 psig
Temperature Limit: -60 to 406°F
Sizes (NPT): 2-1/2'' and 3''

Applications

  • Non-code liquid relief.
  • Overpressure relief and protection of pumps tanks, lines and hydraulic systems.
  • Pressure regulation.
  • Continuous bypass relief.

Same as Model 20M except with packed lift lever. Maximum back pressure of 50 psig.

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Model 20P

Pressure Limit: 1 to 300 psig
Temperature Limit: -60 to 406°F
Sizes (NPT):1/2'', 3/4'', 1'', 1-1/4'', 1-1/2'', 2'', 2-1/2'', 3''

Applications

  • Non-code liquid relief.
  • Overpressure relief and protection of pumps tanks, lines and hydraulic systems.
  • Pressure regulation.
  • Continuous bypass relief.

Same as Model 20 except with packed lift lever. Suitable for maximum back pressure of 50 psig.

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