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  • TESCOM™ 74-3800 Series Threadless Pressure Regulator
Tescom-P-74-3800

TESCOM™ 74-3800 Series Threadless Pressure Regulator

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Product Description

74-3800 Series ultra high purity, tied diaphragm pressure reducing regulator offers high flow and internally threadless and low internal volume design with Cv = 0.5. The 74-3800 Series is available with 10 Ra surface finish. Inlet pressures are 600, 1000, or 3500 psig / 41.3, 69.0, 241 bar with outlet pressures up to 150 psig / 10.3 bar. Ideal for use in 1/2" point-of-use pressure regulator, gas cabinets, high flow purging systems and semiconductor manufacturing.

Specifications

Pressure Rating
Maximum Inlet Pressure: 600, 1000, 3500 psig / 41.4, 69.0, 241 bar
Outlet Pressure Ranges: 30, 60, 100, 150 psig / 2.1, 4.1, 6.9, 10.3 bar
Material
Body: 316L VAR Stainless Steel with Electropolish
Diaphragm: 316 Stainless Steel or Hastelloy®
Remaining Parts: 316 Stainless Steel
Valve Seat
  Vespel® (3500 psig / 241 bar Inlet)
  PCTFE (600, 100 psig / 41.4, 6.9 bar Inlet)
Teflon® PFA (600 psig / 41.4 bar Inlet)
Operating Temperature
Vespel®: -40°F to 350°F / -40°C to 177°C
PCTFE: -40°F to 140°F / -40°C to 60°C
Teflon® PFA: -40°F to 160°F / -40°C to 71°C
Port Size & Type
3/8 Compression
1/2 Compression
1/2 Male Swivel
1/2 Female Swivel
3/8 Tube Stubs
1/2 Tube Stubs
Flow Capacity
Cv = 0.5
Weight (without gauges)
3.2 lbs / 1.5 kg
Additional Information
For custom modifications or a complete system solution, please contact your local sales office.

Features

  • Internally springless and threadless design
  • Metal-to-metal diaphragm to body seal for high leak integrity
  • Smooth unobstructed flow path allows for complete purging
  • Positive shut-off seal, tied diaphragm design with positionable captured vent bonnet
  • Hastelloy® trim option is available

Documents & Drawings