Shanghai Jianggong Valve Manufacturing Co., Ltd.
                                                                                                           
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ANSI GB Flange Pneumatic Modulating Control Valve 4-20mA Signal DN20-DN450 PN10-PN64

Price Negotiable
Price: USD189.9/Set to USD11399.9/Set
MOQ: 1 Set
Delivery Time: Two weeks
Brand: JGPV
Product Description
Product Overview

The ANSI GB Flange Spring Returned Pneumatic Modulating Control Valve is a precision-engineered power-operated device designed for accurate flow control of gases, liquids, and steam. This 4-20mA signal-controlled valve maintains process variables such as pressure, flow rate, temperature, and liquid level at specified set points with exceptional reliability.

Technical Specifications
Parameter Specification
Valve Type Straight through single seat casting control valve
Port Size DN20-DN450
Pressure Rating PN10-PN64
Flange Standard JB/T79.1-94,792-94, ASME B16.5
Body Material Cast steel (ZG230450), Stainless steel (ZGICr18Ni9Ti, ZGICr18Ni12M02Ti)
Temperature Range Standard: -20 to 200℃, Heat dissipating: 230-450℃, Cryogenic: -60 to -196℃, Bellow sealed: -40-350℃
Actuator Types ZHA/B multi spring diaphragm actuator with effective areas from 220-900 cm²
Spring Range 200-200, 40-200, 80-240, 20-60, 60-100 Kpa
Air Supply 140-400KPa
Ambient Temperature -40 to 85℃
Key Features
Balanced spool structure minimizes axial unbalance force, allowing higher pressure differentials with superior stability
Interchangeable sleeve design enables easy disassembly and maintenance
All-metal spool construction achieves Level IV leakage standards, with soft seal options reaching Level VI
Fluid-optimized valve body design provides 50:1 inherent adjustable ratio and 30% increased flow coefficient
Multi-spring actuator design reduces overall height by 30% and weight by 30%
Compact top guide structure ensures sensitive action and streamlined S-flow channel for minimal pressure drop
Applications

Ideal for precise control of gas, liquid, and steam process parameters in industrial settings. Particularly suitable for applications requiring minimal leakage and moderate pressure differentials between valve inlet and outlet.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shanghai Jianggong Valve Manufacturing Co., Ltd.
Location No. 5089, Nanzhu Road, Zhuqiao Town, Pudong New Area, 201324, P. R. China
Contact Person David Chen

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