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WA 703

High Purity - Chrome Plated Brass Regulator

Model WA703 is a chrome plated brass single stage pipeline regulator with a stainless steel diaphragm for general laboratory use. The WA703 is suitable for:

• Non-corrosive gases

• Purging

• Pressure testing

• Blanketing

Recommended for gas purity up to Grade 5.0 (99.999).

Materials

Body Chrome Plated Brass
Bonnet Chrome Plated Die Cast
Diaphragm 302 Stainless Steel
Nozzle Brass
Seat PTFE Teflon
Seals PTFE Teflon
Filter Nickel-Plated Sintered Bronze - 10 Micron
Seat Return Spring PH17-7 Stainless Steel
Adjusting Knob ABS Plastic

Features

  • 2-1/8″ 302 stainless steel diaphragm eliminates contamination from diffusion or outgassing

  • One-piece encapsulated seat design to protect seat from particulate contamination

  • Chrome plated bonnet, body and fittings

  • 2″ chrome plated dual scale gauge (psi/bar)

  • External relief valve standard

  • Designed to 1 x 10-8 cc/sec. inboard helium leak rate to maintain gas purity levels

  • Max inlet 3000 PSIG

    RELATED OPTIONS

Wall mounting bracket P/N: 9101242

WA 703 Ordering Information

WA 703
Model No.
  • WA 703
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)
XXX
Inlet Fitting
  • 000 (1/4" FNPT)
  • 001 (1/4" MNPT)
  • 002 (1/4" Tube Fitting)
  • 003 (1/8" Tube Fitting)
  • 004 (1/4" Hose barb x 1/4" MNPT)
  • 005 (1/8" Hose barb x 1/4" MNPT)
XXXX
Accessories
  • A) 1/4" MNPT Needle Valve
  • B) 1/4" FNPT Diaph. Valve
  • C) 1/4" MNPT Nipple
  • D) 1/4" FNPT Port
  • E) 1/4" Tube Fitting
  • F) 1/8" Tube Fitting
  • G) 1/4" Hose barb x 1/4" MNPT
  • H) 1/8" Hose barb x 1/4" MNPT
  • I) 1/4" Hose barb x 1/4" FNPT
XXXX
Options
  • 1) Without Relief Valve
  • 2) No Gauges

Flow Data

Specifications

  • Cv: .17

  • Pressure Regulation: 1.8 PSIG/100 PSIG

  • Weight: 2.92 lbs.

Dimensions

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