26-1100 SERIES

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Regulators - Pressure Reducing

TESCOM 26-1100 Series is a dome load, high flow pressure reducing regulator.

Applications• Pneumatic test consoles

• R&D laboratories

Features and Benefits• Constant outlet pressures with variable

inlet pressures

• Balanced main valve to reduce seat load which insures longer seat life

• Wide flow range capability

• Low droop; low lock-up

• Rapid response time

• Mounts in any position

• Two orifice sizes are available: 0.25" and 0.375" diameter

SpecificationsFor other materials or modifications, please consult TESCOM.

OPERATING PARAMETERS Pressure rating per criteria of ANSI/ASME B31.3

Maximum Inlet PressureStainless Steel Body (0.25" Orifice): 10,000 psig / 690 barStainless Steel Body (0.375" Orifice): 6000 psig / 414 barAluminum Body: 6000 psig / 414 bar

Brass Body: 6000 psig / 414 bar

Outlet Pressure RangesTo maximum inlet

Design Proof Pressure150% maximum rated

LeakageBubble-tight

Operating Temperature-40°F to 165°F / -40°C to 74°C

Flow Capacity0.25" Orifice: Cv = 0.460.375" Orifice: Cv = 1.30

MEDIA CONTACT MATERIALSBody

303 Stainless Steel, 316 Stainless Steel, Aluminum, or Brass

DiaphragmNitrile, Buna-N

O-RingsNitrile, Buna-N

Back-up RingsPTFE

SeatPCTFE

Retaining Ring15-7 Stainless steel

Valve Cap17-4 PH Stainless Steel

Remaining Parts300 Series Stainless Steel

OTHERCleaning

CGA 4.1 and ASTM G93

Weight (without gauges)Stainless Steel: 10 lbs / 4.5 kgAluminum: 4 lbs / 1.8 kg

D26110539X012

113

114

26-1100 SERIES

26-1100 Series Regulator Drawing

All dimensions are reference & nominal Metric [millimeter] equivalents are in brackets

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115

26-1100 SERIES

For more information on how to read flow curves, please refer to the Flow Curves and Calculations document (debul2007x012) in the TESCOM catalog or on www.tescom.com.

26-1100 Series Regulator Flow Charts

OU

TLE

T P

RE

SS

UR

E -

psig

[ba

r]

FLOW RATE - SCFM [SLPM x 1000] Nitrogen

0

10,000[690]

8750[603]

7500[517]

6250[431]

5000[345]

3750[259]

2500[172]

1250[86.2]

275[7.8]

550[15.5]

825[23]

1100[31]

1375[39]

1650[46.5]

1925[54.5]

2200[62]

2475[70]

2750[78]

10,000 psig [690 bar] Inlet

10,000[690]

10,000[690]

10,000[690]

7500[517]

7500[517]

5000[345]

5000[345]

7500[517]

2500[172]

Model No. 26-1121-3811/4" Diameter Orifice

E.I. No. 0243-1

OU

TLE

T P

RE

SS

UR

E -

psig

[ba

r]

FLOW RATE - SCFM [SLPM x 1000] Nitrogen

0

6000[414]

5250[362]

4500[310]

3750[259]

3000[207]

2250[155]

1500[103]

750[51.7]

400[11]

800[23]

1200[34]

1600[45]

2000[56.5]

2400[68]

2800[79]

3200[91]

3600[102]

4000[113]

6000 psig[414 bar] Inlet

6000[414]

6000[414]

3000[207]

3000[207]

6000[414]

4500[310]

4500[310]

4500[310]

1500[103]

Model No. 26-1121-3823/8" Diameter Orifice

E.I. No. 0243-2

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116

26-1100 SERIES

Visit our website at emerson.com or contact us at (800) 447-1250

26-1100 Series Regulator Part Number Selector

Repair Kits, Accessories & Modifications may be available for this product. Please contact TESCOM for more information.

Example for selecting a part number:

26-11 2 1 - 3 8 1

BASICSERIES

BODY MATERIAL

LOADING METHOD

INLET AND OUTLET PORT TYPE

DOMEPORT

INLET AND OUTLET PORT SIZE

INNER VALVE SIZE

26-11 1 – Brass 2 – 303 Stainless Steel 3 – Aluminum 2024-T351 6 – 316 Stainless Steel

1 – Externally loaded 1 – SAE 2 – NPTF 3 – MS33649

1/4" MS33649 1/4" NPTF 1/4" MS33649

6 – 3/8" 8 – 1/2"

1 – 0.25" Orifice 2 – 0.375" Orifice