Omega-engineering BV70 Instrukcja Użytkownika Pobierz pdf (Strona 3)

MATERIALS OF CONSTRUCTION

BODY: Brass - ASTM B-16, or 316 Stainless Steel -

ASTM A276

BALL AND STEM: 316 Stainless Steel

SEATS AND STEM SEAL: Glass Reinforced

P.T.F.E. (Teflon )

CONNECTION / STYLE SIZES

Tube / Compresssion 1/4” - 1”

RATINGS

TEMPERATURE: -50 F to 450 F

(also see Pressure Temperature Chart)

PRESSURE: 1000 p.s.i. C.W.P. (Cold Working

Pressure to 150 F)

(also see Pressure Temperature Chart)

VACUUM: 20 Micron

SATURATED STEAM: 150 p.s.i.

FLOW CHARACTERISTICS

The approximate flow rate through a valve can be calculated as follows:

where; Q = flow rate in gallons (U.S. Std.) per minute

Cv = valve constant

P = pressure drop across the valve in pounds per square inch

G = specific gravity of the media of relative to water

Note: The values derived from the flow equation are for estimating purposes only. Product variances

or systemic factors may alter actual performance.

Q = Cv

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Omega-engineering BV70 Instrukcja Użytkownika Strona 3