Needle & Manifold Valves


Home | Manifold Valves | 3-Valve Differential Pressure | 3510 Series Soft Seat


3510 Series 3-Valve Differential Pressure Manifold Valves
Soft Seat (0.375" Orifice)


  • Designed for use with differential pressure transmitters incorporating
    two isolation valves and an equalizing valve in differential pressure
  • Available in block, single flange, or double flange connection for remote
    or direct installation
  • 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance
    and reliability
  • Soft seat design has 6,000 psi pressure rating @ 200 °F
  • Features a replaceable Delrin® seat, and straight through porting for
    bidirectional, high capacity flow and easy roddable cleaning
  • Blow-out proof stem provides a secondary stem seal in the full
    open position
  • FKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling
  • All stems are 316 stainless steel
  • All stem threads are rolled for strength and ease of operation
  • One-piece bonnet with a metal-to-metal seal to the valve body below
    the bonnet threads
  • Slotted spring pin to prevent accidental loosening
  • Vinyl dust caps for bonnets and stems
  • Non-rotating stem tip standard on isolation valves
Dimensions  Print Catalog Page



SERIES 3 3-valve        
SEAT 5 Soft seat, 0.375" orifice        
PROCESS TYPE 1 Differential pressure        
CONNECTION 0 1/2" NPT standard or flange        
VALVE TYPES MFC Flange-Female, Steel MFS Flange-Female, Stainless Steel MMC Flange-Flange, Steel
FFC Female-Female, Steel FFS Female-Female, Stainless Steel MMS Flange-Flange, Stainless Steel

    Please consult your local NOSHOK Distributor or NOSHOK, Inc. for availability and delivery information.

To meet all of your specific application requirements, the following additional options are available for these manifold valves. To order all or any of these options, simply add them to the part number as follows:


O-RINGS* EM1 EPDM KZ1 FFKM (Kalrez® 3018 or equivalent) NB1 NBR    
HANDLES HL3 1" Round knurled HL4 1-3/8" Phenolic HL5 1-3/4" Phenolic    

    Please consult your local NOSHOK Distributor or NOSHOK, Inc. for availability and delivery information.

* Other o-ring materials available on request.

Please note that the standard o-ring in all the NOSHOK valves is FKM and the standard handles are isolation "T" handles (HL8) and
equalizing "T" handles (HL2).

The handle material will always match the material of the valve, unless otherwise specified. For example, the "T" handle on the 3510-MFC
will be steel. When only the standard configuration is needed, no additional designations are necessary. Please consult the factory for special
application requests.

NOSHOK, INC. 1010 W. Bagley Road | Berea, OH 44017 | Ph 440.243.0888 | Fax 440.243.3472 | Webmaster | Site Map