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TESCOM 26-1221-1161-088 Pressure Reducing Regulator with Modified Valve Cartridge Control Dome Load - 303 Stainless Steel

SKU: 26-1221-1161-088 Rate this product


Availability: Usually ships 7 weeks after receipt of order

Restrictions / Notifications

  • No Free Shipping
    This item does not qualify for free shipping.
  • Non-Returnable/Non-Cancellable
    This item cannot be cancelled or returned once an order has been placed.

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  • Fueling
  • Facilities supply


  • Diaphragm sensed and highly sensitive
  • Modular construction for easy service
  • External sensing available for improved accuracy
  • Balanced main valve increases seat life
  • Mounts in any position
  • Low droop and lockup


  • Body Material: 303 Stainless Steel
  • Maximum Inlet Pressure: 6000 PSIG (414 bar)
  • Outlet Pressure Range: To maximum inlet
  • Design Proof Pressure:150% maximum rated operating
  • Leakage: Bubble-tight
  • Flow Capacity: Cv = 3.3
  • Inlet & Outlet Port Type: SAE
  • Dome Port: 1/4 inch MS33649
  • Port Size: 3/4 inch
  • Orifice Size: 1/2 inch
  • Operating Temperature: -40°F to 165°F (-40°C to 74°C)

Media Contact Materials:

  • Seat: Vespel®
  • Diaphragm: Buna-N
  • O-Rings: Buna-N
  • Back-up Rings: Teflon®
  • Gasket: CTFE
  • Retaining Ring: 15-7 Stainless Steel
  • Valve Cap: 17-4 Stainless Steel
  • Remaining Part: 300 Series Stainless Steel


  • Loading Method: External
  • Modification Feature: Modified Valve Cartridge Control Dome Load
  • Cleaning: CGA 4.1 and ASTM G93
  • Weight Stainless Steel: 25 lbs. (11.3 kg)

Tescom 26-1221-1161-088 Pressure Reducing Regulator with modified valve cartridge control dome load is a high flow pressure reducing regulator and is externally loaded with 6000 psig (414 bar) maximum inlet and outlet pressures.


Product FAQ's

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  • What type of lubricant should I use when overhauling my Tescom regulator?
    The only approved lubricant is Christo-Lube MCG-111.
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