Pramp Automation and Calibration
Category: Valves
Product: Control Valves
Sub Product: Pneumatic Control Valve(with multispring actuator)
2-Way Pneumatic Control Valves with Multispring Actuator (Normally Closed Design) Field Reversible from Normally Closed to Normally Open, or Normally Open to Normally Closed Type.
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Size: |
15 mm (1/2”) to 150 mm (6”). |
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Unified Flanges: |
As per ANSI CI. 150/300 and PN 16 |
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Pressure Rating : |
As per ASME B16.34 |
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Gland Packing: |
Carbon filled PTFE for temp upto 220°C |
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Design Standard: |
ASME B16.34. |
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Leakage : |
As per ANSI-FCI-70-2 CI. IV (0.01% of Kv) for 5122A Series and Class VI Bubble tight for 5122B Series. |
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Face to Face : |
As per DIN 3202. Part I Series F1. |
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Testing Standard: |
ANSI-FCI-70-2 |
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Type of Plug: |
On-Off or Equal Percentage Linear |
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Seat : |
Screwed type replaceable. |
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Body & Bonnet Material: |
SG Iron-ASTM A536, Gr.60-40-18(DIN 0.7043) (GGG40.3). CS-ASTM A216 WCB (DIN 1.0619 GS-C 25). SS-ASTM A351 CF8M(DIN1.4408) (G-X6 Cr.Ni Mo 1810) SS- ASTM A351 CF8 (DIN1. 4301) |
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Plug Material: |
SS AISI 420/316 |
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Seat Ring: |
SS AISI 420/316. |
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Spindle : |
410/316 Ground, Burnished and Hard Chromed. |
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Studs: |
ASTM A193 Gr. B7 |
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Hex. Nuts: |
ASTM A194 Gr. 2H. |
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Body Packing: |
Cr. Ni Foil coated with graphite. |
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Range ability: |
Equal Percentage 30:1 Linear 50:1. |
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Fluids : |
Air, Water, Steam, Gas, etc |
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Pressure chambers: |
Steel pressing to IS 513CRCD. |
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Diaphragm : |
Nylon inserted high Neoprene, rollform type. |
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Temperature : |
-20°C to +80 °C |
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Spring : |
EN 47 , Cr. V. Steel. |
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Max. Pres. over: |
Upto 4 bar |
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Diaphragm Yoke : |
Cast carbon steel castings one piece |
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Spindle : |
Guided through a Teflon bearing, leakage prevented by Synthetic seal, protected by rubber bellow. |
