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These manifold valves are designed for use with differential pressure transmitters incorporating two isolation valves and an equalizing valve in differential pressure measurement. The metal to metal hard seat design is pressure rated to 10,000 psi @ 200 ºF and the patented soft Delrin^® tip design is rated to 6,000 psi @ 200 ºF. The all 316SS blow out proof stem provides greater service life and a secondary stem seal in the full open position. Stem seal, with the Viton^® o-ring and Teflon^® back up ring, is below the threads and prevents galling and corrosion (Teflon® or Grafoil® packing optional). Stem and bonnet threads are rolled for strength and ease of operation, and manifolds feature a vinyl bonnet and stem dust cap.

All manifold bodies are machined from cold drawn extrusion allowing NOSHOK to hold tighter tolerances. All NOSHOK Valves are 100% Helium leak tested to 1 X 10-4 ml/s for guaranteed performance and reliability, and conform to the MSS SP-99-1999(R 2005) Instrument Valve Standards.

3010/3110 Series Differential Pressure Manifolds
Hard & Soft Seat

• Available in block, single flange or double flange connection for remote or
  direct installation
• All manifold bodies are machined from cold drawn extrusion allowing NOSHOK to hold tighter tolerances
• Bonnet lock pin to prevent accidental loosening
• 0.187 inch orifice size

3510 Series Differential Pressure Manifolds – 3/8" Orifice
Soft Seat

• Available in block, single flange or double flange connection for remote or
  direct installation
• Bonnet lock pin to prevent accidental loosening
• 0.375 inch orifice size

3610/3710 Series Differential Pressure Mini Manifolds
Hard Seat & Soft Tip

• These valves are identical to the 3010/3110 Series Manifold Valves,
  but in miniature version
• 0.141 inch orifice size