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Sizes:
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1/4", 1/2", 3/4" (DN8, DN15, DN20)
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End Connections
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• Threaded – NPT, BSPT, BSPP
• Socket weld
• Integral tube ends
• Welded flanges (ANSI, DIN, JIS)
• Others upon request (contact factory)
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Actuator
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• 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 )
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Diaphragm Material
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• 14M – rolling (Nylon/Nitrile)
• Optional 35M Actuator: Buna-N fabric reinforced
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Body/Bonnet Materials
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• Carbon Steel
• Stainless Steel
• Hastelloy C
• Hastelloy B
• Alloy 20
• Monel
• Titanium
• Other materials upon request
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Trim Materials
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• 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
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Optional Trim Materials
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• 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
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Actuator Materials
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• Aluminum – 14M
• Steel – 35M
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Stem Packing
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• Standard: spring-loaded TFE/Chevron (to 450°F/232°C)
• Optional: braided or Graphite/Grafoil (with positioners on 14M)
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Body/Bonnet Gasket:
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RPTFE or Grafoil (matches packing mate-rial unless specified)
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Service:
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steam, air, gas, oil, water, chemicals
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Shutoff
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• 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)
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Ranges:
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3-15 or 6-30 psi (0,21-1,0 or 0,4-2,1 bar) split ranges are available with optional positioner
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Action
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• Direct (air signal closes valve)
• Reverse (air signal opens valve)
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Flow Characteristic:
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linear (all Cv's), equal percentage (Cv >/= 0.05/0,43 Kv only); or quick opening (Cv >/= 0.05/0,43 Kv only)
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