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WA 743 regulator

WA 743

High Purity - Stainless Steel Barstock Regulator

Model WA743 is a single stage stainless steel pipeline regulator for pipeline and other applications up to 3000 PSIG inlet pressure. The Model WA743 is suitable for:

• Corrosive gas applications

• High purity gas applications

• Research sample systems gases

• Process analyzer gases

• Gas chromatography

• EPA protocol gases

• Laser gas systems

• Emission monitoring systems

Recommended for corrosive gases or purity levels of Grade 6.0 (99.9999) and higher.

Materials

Body 316L Stainless Steel Barstock
Bonnet Chrome Plated Brass Barstock
Diaphragm 316L Stainless Steel
Nozzle 316L Stainless Steel
Seat PTFE Teflon
Seals PTFE Teflon
Filter Sintered Stainless Steel - 10 Micron
Seat Return Spring 316L Stainless Steel
Adjusting Knob ABS Plastic

Features

  • 1-11/16″ 316L stainless steel diaphragm eliminates contamination from diffusion or outgassing

  •  One piece encapsulated seat design includes a sintered filter to protect the seat from particulate contamination

  • Chrome plated bonnet, 316L body and fittings

  • 2″ stainless steel single scale gauge (psi/bar)

  • Designed to 1 x 10-9 cc/sec. inboard helium leak rate to maintain gas purity levels

  • Maximum inlet 3000 PSIG

  • Front or back panel mountable

RELATED OPTIONS
Front Panel Mount Kit P/N: 9100871
Wall mounting Bracket P/N: 9101242

WA 743 Ordering Information

WA 743
Model No.
  • WA 743
XXX
Delivery Pressure
Delivery (Outlet Gauge)
  • 0-15 PSIG (30” Hg Vac-30 psi/2 bar)
  • 0-50 PSIG (30” Hg Vac-100 psi/7 bar)
  • 0-125 PSIG (30” Hg Vac-200 psi/14 bar)
  • 0-250 PSIG (400 psi/28 bar)
  • 0-500 PSIG (1000 psi/70 bar)
XXX
INLET
  • 000 (1/4" FNPT)
  • 001 (1/4" MNPT)
  • 002 (1/4" Tube fitting)
  • 003 (1/8" Tube fitting)
XXXX
Accessories
  • A. 1/4" FNPT Diaph. Valve
  • B. 1/4" MNPT Nipple
  • C. 1/4" FNPT Port
  • D. 1/4" Tube Fitting
  • E. 1/8" Tube Fitting
XXXX
Options
  • 2. He Leak Cert. (Inboard)
  • 3. No Gauges
  • 4. With Relief Valve
  • 5. He Leak Cert (Outboard)

Flow Data

Specifications

  • Cv: .08

  • Pressure Regulation: 1.8 PSIG/100 PSIG

  • Weight: 2.68 lbs.

Dimensions

WA 743 Dimensions

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