Maximum setting limiter with tri-grip handknob control kit, Y control

991034 : Maximum setting limiter with tri-grip handknob control kit, Y control
Technical Features [ + ]

Sun now offers its latest in hand knob control. This ergonomically designed, tri-grip handknob incorporates dual functionality in one package. It can be used to achieve full range control (five turns) or can be used to limit the maximum allowable setting.

  • For use on Series 1, 2, 3, and 4 Sun Cartridges with an L or O adjustment control (except for counterbalance and RD** relief valves).
  • The installation of this kit is intended to be permanent. Once assembled to the cartridge, it cannot be easily readjusted or disassembled.
  • When used for full range control, the handknob installs easily over the existing L control with no disassembly required. Note: When used as a Maximum Setting Limiter, some disassembly is required. See installation instructions in the Notes tab.
  • Provides a robust and rigid attachment between the handknob and the adjust screw.
  • Handknob is constructed of an engineered plastic with a threaded metal insert. Lock knob is also constructed of an engineered plastic.
Technical Data [ + ]
Cartridge Control L and O ControlsL and O Controls
For Cartridge Models All Models with an L or O adjustment control (Except Series 0 and Counterbalance)All Models with an L or O adjustment control (Except Series 0 and Counterbalance)
Material Plastic tri-grip handknob with plastic lock knobPlastic tri-grip handknob with plastic lock knob
Used With [ + ]

What models can this kit be used with?

  • PPDB Pilot operated, pressure reducing/relieving valve
Notes [ + ]
  • 1a - When used for full range control, install Lock Knob by snapping onto existing Lock Nut (do not remove stop ring).
  • 2a - Install Handknob sub-assembly until contact is made with the snap ring (on flow controls which have no stop ring, ensure valve can be shut using handknob). Proceed to Step 4.
  • 1b - When used as a maximum setting limiter, set valve at maximum setting and tighten locknut (80-90 lbf in.).
  • 2b - Install Lock Knob by snapping on to the locknut.
  • 3b - Install Handknob sub-assembly until it bottoms out on LockKnob.
  • 4 - Insert Pins through Cap and install Cap onto Handknob. Drive pins in until flush with top of Cap.
Additional Resources [ + ]