EDC10P
Electric Cryogenic Control Valve
Design Features
The electric cryogenic control valve is specifically designed for cryogenic applications, featuring an extended bonnet and cryogenic hardening process to maintain the stem sealing zone at safe operating temperature. The valve trim (plug and seat) undergoes specialized hardening and is equipped with a cryogenic-rated electric actuator, integrating intelligent positioning and thermal insulation modules. This enables precise media regulation down to -196°C.
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| Product Name | Electric Cryogenic Control Valve |
| Model Number | EDC10P |
| Nominal Diameter | NPS 1/2" ~ 8" (DN15 ~ DN200) |
| Pressure Rating | Class 150 ~ Class 300 (PN16 ~ PN50) |
| Body Material | 304 Stainless Steel (S), 316 Stainless Steel (L), Inconel, Monel, Hastelloy, Titanium (Ti), etc. |
| Bonnet Type | Cryogenic (Extended Bonnet) |
| Seal Material | PTFE, Metal-to-Metal Seal, Hard Alloy (Stellite or Tungsten Carbide) |
| Leakage Class | ANSI Class IV, V, or VI (Bubble-tight) |
| Medium Temperature | -196°C ~ 80°C |
| Connection Type | Butt-Welded (2), Flanged (4) (ASME B16.5 / B16.25) |
| Trim Configuration | Globe-Type Single-Seat (P), Cage-Type Single-Seat (T), Cage-Type Double-Seat (G), Low-Noise Trim (D), Multi-Stage Pressure Reduction Trim (S), Three-Way Mixing/Diverging (H) |
| Control Accuracy | ±0.1% |
| Actuation Type | Electric Actuator |
| Power Supply Voltage | 24 VAC/DC, 110 VAC, 220 VAC, 380 VAC (Single/Three Phase) |
| Input Signal | 4–20 mA DC or 1–5 V DC |
| Output Signal | 4–20 mA DC (Position Feedback) |
| Protection Rating | IP65 (Dust-tight & Low-pressure Water Jet Resistant) |
| Explosion Protection | Exd II BT4, Exd II BT6 (Flameproof Enclosure) |
| Manual Override | Handwheel / Manual Lever |
| Ambient Temperature | -25°C ~ +70°C, -40°C ~ +70°C (Optional Low-Temp Kit) |
| Ambient Humidity | ≤95% RH (Non-condensing) |
| Action Type | Linear Modulating (Air-to-Open / Air-to-Close equivalent via electric signal) |
| Optional Accessories | Digital Positioner, Solenoid Valve, Limit Switch Box, Position Transmitter, Handwheel Extension, Heater Jacket Controller, Cryogenic Insulation Jacket |
| Stroke (mm) | 10, 16, 25, 40, 60, 100 mm |
| Remarks | Other special seal materials or temperature requirements can be customized according to customer specifications. |
