1/2" EPDM Brass Solenoid Valve – 2/2 Pilot Operated – 230V AC-Normally Open. RS P2This EPDM 1 2" RSP2 brass solenoid valve features a 2 2 pilot operated design and a normally open state. Crafted from high quality brass materials, it provides reliable and efficient control over liquid flow. Ideal for a variety of applications, this valve offers precise performance and lasting durability. Screwed BSP Pilot Operated Normally Open 2 2 Way Brass Body NBR, EPDM or Viton Diaphragm 230V AC Minimum Pressure 0. 15 Bar Maximum Pressures: 3 8