What raw materials can Ruitu bromine extraction systems process?

Our bromine extraction systems are designed for seawater, bitter brine, salt lake brine, oilfield water, bromine-bearing industrial wastewater and concentrated brine from desalination plants. The process route is selected only after we review a laboratory analysis of your feed.

Do you supply single machines or complete plants?

Both. We supply individual machines such as salt washers, roller crushers, dryers, vibrating screens, belt conveyors and hot air furnaces, and we also deliver complete turnkey lines under an EPC contract.

What is included in your EPC service?

Water quality testing, site selection support, process design, project launch preparation, equipment manufacturing and procurement, packing and shipping, installation and commissioning, operator training, finished product production guidance, and output buy-back or decommissioning support where agreed.

Can your salt washing equipment produce food-grade salt?

Our salt washing machinery is used for both food-grade and chemical-grade salt. The achievable grade depends on the crude salt composition and the standard that applies in your market, so we design the washing, crushing, drying and screening stages around your target specification.

How do you support overseas installation?

Our engineers can be dispatched to site for installation and commissioning, train your operators, and stay involved until the line produces finished product at the designed daily capacity.

How do I start a project with Ruitu?

Send us your raw material analysis, target daily capacity, product specification and site information by email or phone. Our technicians will prepare a preliminary budget estimate and an economic benefit analysis based on your budget and expected output.

Custom PTFE-Lined Control Valve Product, Service

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Custom PTFE-Lined Control Valve Product, Service

Brand: Ruitu Automation

Product origin: China

Equipment Type: A regulating valve equipped with a pneumatic or electric actuator, with PTFE lining inside the valve body, which can accurately adjust the opening of the valve core through the actuator.

Application: Precisely controls parameters such as flow rate and pressure of fluids in pipelines. It is often used for process flow control in industries including chemical engineering and pharmaceuticals to ensure the stability of the production process.

Advantages: The PTFE lining is corrosion-resistant and can adapt to highly corrosive media environments; high regulation accuracy enables precise control of fluid parameters; the actuator realizes automatic control to meet complex process requirements.

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Product Description

Core Overview

The PTFE-lined control valve is a precision flow regulation device engineered for demanding applications involving highly corrosive and abrasive media. Constructed with a durable cast steel or stainless steel body fully lined with virgin Polytetrafluoroethylene (PTFE), it ensures complete isolation of metal components from aggressive fluids. Equipped with a high-precision actuator (pneumatic or electric) and a customizable trim, this valve provides accurate modulation of flow rate, pressure, and temperature. It is extensively used in chemical processing, pharmaceutical manufacturing, power generation, and wastewater treatment industries where strict corrosion resistance and reliable control are paramount.

Specifications & Dimensions

Technical Parameters

Parameter	Specification
Body Material	WCB Carbon Steel, CF8/CF8M Stainless Steel
Lining/Trim Material	Virgin PTFE, PFA (Perfluoroalkoxy)
Valve Type	Globe, Angle, Sleeve (Customizable)
Actuator Type	Pneumatic Diaphragm, Electric Motor
Nominal Diameter (DN)	DN15 – DN300
Pressure Rating	PN1.0, PN1.6, PN2.5, Class 150/300
Temperature Range	-20°C to +180°C (PTFE), up to +200°C (PFA)
Leakage Class	ANSI/FCI 70-2 Class IV, V, or VI
Flow Characteristic	Linear, Equal Percentage, Quick Opening
Connection Type	Flange (ANSI, DIN, JIS, GB), Wafer

Dimensional Data Table

Nominal Size (DN)	Face-to-Face Length (L) mm	Height (H) mm	Width (W) mm	Flange Diameter (D) mm	Weight (kg)
DN15	130	350	120	95	6.5
DN20	150	380	130	105	8.0
DN25	160	410	140	115	10.5
DN32	180	450	160	140	14.0
DN40	200	490	180	150	18.5
DN50	230	540	200	165	24.0
DN65	290	600	240	185	32.0
DN80	310	660	280	200	42.0
DN100	350	750	320	220	58.0
DN150	450	900	400	285	95.0
DN200	550	1050	480	340	140.0

Core Advantages

Superior Corrosion Resistance

Full PTFE lining withstands strong acids, alkalis, and solvents, ensuring long-term integrity in harsh chemical environments.

Precise Flow Control

High-resolution actuator and optimized trim design provide accurate modulation for stable process control.

Zero Leakage Performance

Tight sealing mechanisms and soft-seat options achieve bubble-tight shut-off, preventing media loss and contamination.

Low Friction & Anti-Clogging

Smooth PTFE surface reduces fluid resistance and prevents material buildup, ideal for slurry or viscous media.

Versatile Actuation Options

Compatible with various pneumatic and electric actuators, allowing seamless integration into automated control systems (DCS/PLC).

Frequently Asked Questions (FAQ)

What working fluids are PTFE-lined control valves engineered to handle?

They are specifically developed for aggressive chemical environments involving strong acids, concentrated alkalis, corrosive solvents, and abrasive slurries where metallic surfaces would quickly corrode.

What is the difference in temperature resistance between PTFE and PFA lining?

Virgin PTFE operates reliably in temperatures ranging from -20°C up to +180°C. For applications requiring higher thermal tolerance, PFA lining is available to safely support temperatures reaching +200°C.

Can these control valves integrate with industrial automation systems?

Yes. They are fully compatible with both pneumatic diaphragm and electric motor actuators, allowing seamless connection to distributed control systems (DCS) and programmable logic controllers (PLC).

What shut-off and leakage standards are satisfied?

Depending on trim selection and application demands, these valves comply with ANSI/FCI 70-2 Class IV, Class V, or Class VI standards, offering bubble-tight shut-off capabilities.

Which flange and piping connection standards are supported?

The valves can be manufactured to connect with multiple international standards, including ANSI, DIN, JIS, and GB flange styles, as well as wafer-style connections.