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26-1200 Series Pressure Regulator Valve

26-1200 Series dome loaded, high flow pressure reducing regulator is externally loaded with 6000 psig / 414 bar maximum inlet and outlet pressures. The 26-1200 Series offers four orifice sizes and Cv ratings, balanced main valve, and available external sensing. Ideal for use in rocket engine testing, fueling, facilities supply and natural gas pipeline.

Pressure Rating
Maximum Inlet Pressure: 3600 and 6000 psig / 248 and 414 bar
Outlet Pressure: To maximum inlet
Material
Body: 303, 316 Stainless Steel
Seat: CTFE or Vespel®
Diaphragm, O-Rings: Buna-N or Viton®
Back-up Rings: Teflon®
Remaining Parts: 300 Series Stainless Steel
Port Size & Type
Cv = 3.3: 3/4 or 1, SAE, NPTF or MS33649
Cv = 6.0: 3/4, 1 or 1-1/4, SAE or MS33649
Cv = 12.0: 1 or 1-1/4, SAE, NPTF or MS33649
Cv = 20.0: 2 ANSI/ASME Flanges or Grayloc
Operating Temperature (Cv = 3.3)
-40 to 165°F / -40 to 74°C
Operating Temperature (Cv = 6.0)
Buna-N: -40 to 165°F / -40 to 74°C
Viton®: -15 to 165°F / -26 to 74°C
Operating Temperature (Cv = 12.0)
-15 to 165°F / -26 to 74°C
Operating Temperature (Cv = 20.0)
-40 to 200°F / -40 to 93°C
Flow Capacity
Cv = 3.3, 6.0, 12.0 or 20.0
Load Type
Dome
Weight
Cv = 3.3: 25 lbs / 11.3 kg
Cv = 6.0: 40 lbs / 18.1 kg
Cv = 12.0: 60 lbs / 27.2 kg
Cv = 20.0: 130 lbs / 58.9 kg

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