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0511
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valve bore |
1/4¡å,1/2¡å,3/4¡å,1¡å |
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pressure class |
ANSI150#¡«ANSI4500# |
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Turn down ration |
50:1 Regulating ratio |
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actuator |
diaphragm actuator |
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Connection type |
flange, socket welding, butt welding |
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Bonnet type |
Bolt, pressure sealing standard, extension, bellow type sealing |
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seat leakage |
ANSI B16.34 / FCI 20-1 III , IV, V level (VI level, soft seat) |
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Body and bonnet |
A216 WCB / A105, A217 WC6 / A182 F11
A217 WC9 / A182 F22, A182 F91 Stainless steel, tungsten, titanium, monel, hastelloy, etc. |
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Valve trim |
316SS, 410SS, 420SS, 420J2 SS, 630SS
F-11, F-22, F-91 Coated tungsten carbide, inconel, other special material |
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Balance sealing |
Enhanced PTFE U type sealing, carbon and metal sealing, graphite and inconel chrome alloy sealing |
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Flow coefficient |
Minimum CV is 0.0001 |
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More Information
Key Features
Features of the valve
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Heavy top guided valve, without bottom guide. It will not influence the bore of the seat, thus, reduce the deposit of fluid at the bottom of the body.
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The selection of trim: curve and wedge.
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The trim could be got out from the top easily when maintain.
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There are multiple choices of the CV for the same specification.
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Suitable for cryogenic operation conditions.
Benefits
The design of the trim
- Curved trim: This could be used in the most common application. This kind of trim is mostly suitable for low pressure drop conditions. Curved trim has a deformed plug head. It also has a kind of slide curve surface allowing the fluid getting through it and allowing the high pressure drop.
- Soft sealing trim: This could be used in tight shut-off applications to assure the maximum shut-off.
- Wedge trim is the most ideal choice for the micro flow applications. This kind of guiding structure could deal with high pressure drop and keep it stable. The design of this trim makes it have a good rangeability.
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