Item

Standard Features

Optional Features

Application

To protect pumps and ensure minimum flow conditions

Size

1“ to 16“ as standard

To 30“ or larger as custom design

Body and bypass

Carbon or Stainless steel (316L)

Duplex, Hastelloy or Titanium

Valve Lining/Sleeves

n/a

Ceramic

Trim materials

Stainless steel (316L)

Duplex, Hastelloy, Ceramic, Inconel, Titanium

or Tungsten Carbide for severe service

applications

Spindle

Stainless steel 1.4404 (316L)

as above

Spring

Stainless steel

Inconel X750 (2.4669)

Temperature

Minus 20° to 300°C

Minus 100°C to 500°C

Process sealing

Metal to metal

n/a

Pressure rating

All up to ASME 2500 (PN320)

To ASME 4500# or higher on request

Connection types

Butt weld end or flanged (DIN or ASME)

ISO, BS, JIS, NF on request

Heating jacket

n/a

Full or semi jacketing

Bypass trim design

Throttle plates

Multi stage, hollow, or cage trim in bypass

Control Characteristics

Linear

Equal %

Installation

Vertical

Horizontal

Flow direction

Flow to open, no reverse flow (integral

check valve)

n/a

Other options

Maritime sea water service ARV design

Valves conforming to NACE MR0175