End Connections

•  Threaded – NPT, BSPT, BSPP
•  Socket weld
•  Integral tube ends
•  Welded flanges (ANSI, DIN, JIS)
•  Others upon request (contact factory)

Actuator

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

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 plug, 316SS stem/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 mate-rial 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)