Kunkle Safety Relief Valve - Model 91 - Fast & Free Shipping!

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Kunkle Safety Relief Valve - Model 91 - Fast & Free Shipping!

Regular price $717.00

Kunkle Models 91/218/228 liquid relief valves

Safety and relief products

Cast iron liquid relief valves with bronze trim including models UL and FM approved for fire pump installations


Features

Model 228

  • Bolted bonnet allows easy inspection and servicing without removal from system.
  • Quality cast iron body and bonnet.
  • Insert and disc available in bronze or stainless steel and lapped for optimum performance.
  • Springs are steel with plating for corrosion protection.
  • High lift, wing-guided disc offers high relieving capacity.
  • Pivot between disc and spring corrects misalignment and compensates for spring side thrust.
  • ANSI B16.1 rated 250# inlet and 125# outlet flanged connections as standard.
  • Optional epoxy-coated internal body and bonnet for corrosive environments (to 125°F (52°C)).

General application


Technical data

Liquid relief valves suitable for overpressure relief, pressure regulation and protection of pumps, tanks, lines and hydraulic systems. Models 218, 228 are UL 1478 listed and FM approved for fire pump service.

 

Note

  1. For other pressure and temperature limits consult

ANSI B16 cast iron flange standards.

 

VCTDS-00380-EN 16/04

Kunkle Models 91/218/228 liquid relief valves 

Safety and relief products

Model overview

Model 91: bronze trim with pressure-tight cap. Suitable for maximum back pressure of 60 psig (4.1 barg)[1].

Model 218: bronze trim, UL and FM approved for fire pump installations. Special design offers minimum set pressure of 60 psig. Easily adjustable with handwheel to 200 psig (13.8 barg) (175 psig (12.1 barg) with optional 125# inlet flange).

Model 228: bronze trim with pressure-tight cap. UL and FM approved for fire pump installations. Suitable for maximum back pressure of 60 psig (4.1 barg)[1]. Supplied with handwheel.

Note

  1. Back pressure increases set pressure on a one to one basis and reduces capacity. Back pressure in excess of 10% of set pressure is not recommended.

 



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