Skinner & Gold Ring™ Brand Solenoid Valves:

SkinnerTM & Gold RingTM Products - Parker, PDF
Gold Ring, 2-way, 3-way, 4-way Solenoid Valves - Parker, PDF
Two-Way, Three-Way and Four-Way Solenoid Valves - Parker, PDF
On Off Angle Body Valves - Parker, PDF
Proportional Control Angle Body Valves - Parker, PDF