End Connections

Threaded – NPT,   BSPT, BSPP
  Socket weld
  Integral tube ends (max Cv or 0.2 on 1/4" TN option)
  Welded flanges (ANSI, DIN, JIS)
  Others upon request (contact factory)

Actuator

1/4" (DN8)   – standard: 14M (14 in²) multi-spring
  1/2" (DN15) – standard: 14M
  3/4" (DN20) – standard: 14M; optional 35M (35 in²)
  1" (DN25) – standard: 35M

Diaphragm   Material

14M – rolling   (Nylon/Nitrile)
  Optional 35M Actuator: Buna-N fabric reinforced

Body/Bonnet   Materials

Carbon Steel
  Stainless Steel
  Hastelloy C
  Hastelloy B
  Alloy 20
  Monel
  Titanium
  Other materials upon request

Trim Materials

Cv's 0.05 (0,04   Kv) and above: 17-4 stem/plug, 316SS seat
  Cv's below 0.05 (0,04 Kv): Nitronic 60 stem/plug & seat

Optional Trim   Materials

316SS Stem, 17-4   plug, 416SS seat
  316SS Stem, Stellite plug and Stellite seat (hard seat only)
  316SS Stem/plug & seat
  316SS Stem plug, PEEK seat

Actuator   Materials

Aluminum – 14M
  Steel – 35M

Stem Packing

Standard:   spring-loaded TFE/Chevron (to 450°F/232°C)
  Optional: braided or Graphite/Grafoil (with positioners on 14M)

Body/Bonnet   Gasket

RPTFE or Grafoil   (matches packing material unless specified)

Service

steam, air, gas,   oil, water, chemicals

Shutoff

Standard – Cv's   0.05 and greater: ANSI Class IV; Cv's 0.02 and lower: ANSI Class VI
  Optional – Cv's 0.05 and greater: ANSI Class VI (with PEEK seats)

Ranges

3-15 or 6-30 psi   (0,21-1,0 or 0,4-2,1 bar) split ranges are available with optional positioner

Action

Direct (air   signal closes valve)
  Reverse (air signal opens valve)

Flow   Characteristic

linear (all   Cv's), equal percentage (Cv >/=0.05/0,43 Kv only); or quick opening (Cv   >/= 0.05/0,43 Kv only)