Meggitt C327895 gas metering valve

Meggitt C327895 gas metering valve

1. Basic product information

Product Name: C327895 Gas Metering Valve

Drive form: Electromechanical Drive (EMA)

Applicable scenarios: Precision fuel gas metering for aviation modified gas turbines, compatible with DLE and SAC models

Operational verification: Accumulated millions of hours of on-site operation, high reliability

2. Physical and installation parameters

Project values/specifications

Flange spacing 11.245 inches

Total height 23 inches

Weight 85 pounds

Flange type 2-inch ANSI B16.5 CL600 raised face flange

3. Fluid and environmental conditions

Pipeline pressure: 0-600PSI

Fluid temperature: 32-400 ° F

Environmental temperature: -65 – 350 ° F

Flow range: 0-4.0 pounds per second (natural gas)

Maximum pressure drop: 25psid (at 4 pounds per second and 500psi)

Internal leakage level: ANSI IV level

4. Action and control performance

Full travel response time: 120 milliseconds

Fault safety shutdown time: 300 milliseconds

Flow accuracy: ± 3% flow point

Control frequency: 20Hz (brushless DC servo)

5. Electrical parameters

Main power supply: 150-200VDC (optional 90-130VDC version)

Steady state power consumption: 75 watts, rated current 0.3 amperes

Peak current: 8 amperes/28VDC (for 100 milliseconds)

Parser: 4VAC, maximum 25-60mA

Temperature control switch: disconnect at 329-347 ° F, reset at 252-269 ° F

Position switch: 2-wire SPDT

6. Material, Certification, and Maintenance

Valve body/bracket: made entirely of stainless steel, in compliance with NACE anti-corrosion requirements

Explosion proof certification: NEC Class 1 Division 1 C/D Group T4、CE、EExd IIB、Zone 1、ATEX、PED

Maintenance: No maintenance required under normal operating conditions

Key questions and answers

Question: What are the core control performance indicators of C327895 valve? 

Answer: The core indicators include * * ± 3% flow accuracy * *, 120 millisecond full stroke response, 300 millisecond fail safe shutdown, 20Hz frequency response, and internal leakage reaching ANSI IV level.

Question: What is the electrical power supply and safety protection design of this valve? 

Answer: Standard power supply 150-200VDC, optional 90-130VDC; Equipped with a temperature control switch that disconnects at 329-347 ° F and resets at 252-269 ° F, with explosion-proof certification and peak current protection.

Question: What working conditions and environments is C327895 suitable for? 

Answer: Suitable for aviation modified gas turbines (DLE/SAC), with pipeline pressure ranging from 0-600PSI and environmental conditions of * * -65-350 ° F * *. Made entirely of stainless steel material that meets NACE standards, the explosion-proof design can be used in Zone 1/Zone 1 hazardous areas.