FUWEI Rotary Airlock Valve Manufacturer
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ZGF / GF Series Rotary Airlock Valve
<div class="seo-content" style="font-size:16px;line-height:1.9;color:#333;"> <h2 style="font-size:28px;color:#fd8335;margin-bottom:16px;">ZGF / GF Series Rotary Airlock Valve</h2> <p>The ZGF and GF Series are standard rotary airlock valves for continuous and quantitative discharge of powder and granular materials. They can be used as rotary feeders, star unloaders or airlock valves in material handling systems.</p> <p><strong>Catalog parameter reference:</strong> ZGF models include 2.8L, 5L, 7L, 9L, 12L, 16L and 25L per revolution. GF models include 6L, 8L, 10L, 12L, 16L, 24L and 25L per revolution.</p> <h3 style="font-size:22px;color:#333;margin-top:24px;">Typical Applications</h3> <ul style="padding-left:22px;"> <li>Silo unloading and controlled discharge</li> <li>Powder and granule feeding</li> <li>Dust collection systems</li> <li>Gravity flow and pneumatic conveying lines</li> <li>Chemical, food, feed, drying and powder processing applications</li> </ul> <p style="margin-top:22px;"><strong>Need model selection support?</strong> Send FUWEI your material name, particle size, bulk density, temperature, capacity, pressure difference and flange standard. We will recommend a suitable rotary valve model for your process.</p> </div>
ZGFWF / DN Series Rotary Airlock Valve
<div class="seo-content" style="font-size:16px;line-height:1.9;color:#333;"> <h2 style="font-size:28px;color:#fd8335;margin-bottom:16px;">ZGFWF / DN Series Rotary Airlock Valve</h2> <p>The ZGFWF / DN Series is designed for pneumatic conveying and larger-capacity feeding applications. It helps feed materials evenly into the conveying pipeline while maintaining airlock performance.</p> <p><strong>Catalog parameter reference:</strong> 2L to 50L per revolution; catalog reference includes 24 rpm speed, 0.75 kW to 3 kW motor options and 280 C working temperature.</p> <h3 style="font-size:22px;color:#333;margin-top:24px;">Typical Applications</h3> <ul style="padding-left:22px;"> <li>Positive-pressure and negative-pressure pneumatic conveying</li> <li>Stable feeding into conveying pipelines</li> <li>Powder, granule and bulk solid handling</li> <li>Applications requiring larger volume per revolution</li> <li>Chemical, pharmaceutical, feed, pet food and new energy systems</li> </ul> <p style="margin-top:22px;"><strong>Need model selection support?</strong> Send FUWEI your material name, particle size, bulk density, temperature, capacity, pressure difference and flange standard. We will recommend a suitable rotary valve model for your process.</p> </div>
ZGFWE Square Flange Rotary Valve
<div class="seo-content" style="font-size:16px;line-height:1.9;color:#333;"> <h2 style="font-size:28px;color:#fd8335;margin-bottom:16px;">ZGFWE Square Flange Rotary Valve</h2> <p>The ZGFWE Series is a square flange rotary valve for equipment layouts that require square inlet and outlet connections. It provides controlled discharge and stable feeding for powder and granular materials.</p> <h3 style="font-size:22px;color:#333;margin-top:24px;">Typical Applications</h3> <ul style="padding-left:22px;"> <li>Square flange connection systems</li> <li>Powder and granule discharge</li> <li>Customized installation dimensions</li> <li>Material handling equipment with square inlet/outlet design</li> <li>Pneumatic conveying and gravity flow applications</li> </ul> <p style="margin-top:22px;"><strong>Need model selection support?</strong> Send FUWEI your material name, particle size, bulk density, temperature, capacity, pressure difference and flange standard. We will recommend a suitable rotary valve model for your process.</p> </div>
Positive Pressure Conveying Rotary Valve - Horizontal Blowing
<div class="seo-content" style="font-size:16px;line-height:1.9;color:#333;"> <h2 style="font-size:28px;color:#fd8335;margin-bottom:16px;">Positive Pressure Conveying Rotary Valve - Horizontal Blowing Type</h2> <p>This rotary valve type is designed for positive pressure pneumatic conveying systems. The horizontal blowing structure helps feed materials into the pipeline and support stable gas-solid conveying.</p> <h3 style="font-size:22px;color:#333;margin-top:24px;">Typical Applications</h3> <ul style="padding-left:22px;"> <li>Positive pressure pneumatic conveying</li> <li>Horizontal material feeding into pipelines</li> <li>Powder and granule transportation</li> <li>Systems requiring controlled airlock feeding</li> <li>Chemical, drying, powder, feed and new energy applications</li> </ul> <p style="margin-top:22px;"><strong>Need model selection support?</strong> Send FUWEI your material name, particle size, bulk density, temperature, capacity, pressure difference and flange standard. We will recommend a suitable rotary valve model for your process.</p> </div>
High Temperature Rotary Airlock Valve
<div class="seo-content" style="font-size:16px;line-height:1.9;color:#333;"> <h2 style="font-size:28px;color:#fd8335;margin-bottom:16px;">High Temperature Rotary Airlock Valve</h2> <p>FUWEI high temperature rotary airlock valves are used for discharge and feeding applications where the material or process temperature is higher than ordinary working conditions.</p> <h3 style="font-size:22px;color:#333;margin-top:24px;">Typical Applications</h3> <ul style="padding-left:22px;"> <li>Drying systems</li> <li>Hot powder or granule discharge</li> <li>High-temperature process equipment</li> <li>Chemical and material processing lines</li> <li>Applications requiring heat-resistant rotary valve design</li> </ul> <p style="margin-top:22px;"><strong>Need model selection support?</strong> Send FUWEI your material name, particle size, bulk density, temperature, capacity, pressure difference and flange standard. We will recommend a suitable rotary valve model for your process.</p> </div>
Positive Pressure Conveying Rotary Valve - Vertical Dropping
<div class="seo-content" style="font-size:16px;line-height:1.9;color:#333;"> <h2 style="font-size:28px;color:#fd8335;margin-bottom:16px;">Positive Pressure Conveying Rotary Valve - Vertical Dropping Type</h2> <p>This type is used for material dropping and feeding in positive pressure pneumatic conveying systems. It supports continuous discharge while reducing air leakage between pressure zones.</p> <h3 style="font-size:22px;color:#333;margin-top:24px;">Typical Applications</h3> <ul style="padding-left:22px;"> <li>Vertical material dropping</li> <li>Positive pressure pneumatic conveying</li> <li>Airlock feeding for powder and granules</li> <li>Silo discharge and conveying pipeline feeding</li> <li>Chemical, feed, powder and new energy applications</li> </ul> <p style="margin-top:22px;"><strong>Need model selection support?</strong> Send FUWEI your material name, particle size, bulk density, temperature, capacity, pressure difference and flange standard. We will recommend a suitable rotary valve model for your process.</p> </div>
Non-Metal Contact Rotary Valve
<div class="seo-content" style="font-size:16px;line-height:1.9;color:#333;"> <h2 style="font-size:28px;color:#fd8335;margin-bottom:16px;">Non-Metal Contact Rotary Valve</h2> <p>This rotary valve type is designed for processes where metal contact with the material should be avoided. It can be considered for special powder handling, material protection or process cleanliness requirements.</p> <h3 style="font-size:22px;color:#333;margin-top:24px;">Typical Applications</h3> <ul style="padding-left:22px;"> <li>Applications where metal contact is prohibited</li> <li>Powder and granule material protection</li> <li>Special process requirements</li> <li>Customized inner cavity or contact-surface design</li> <li>Chemical, food, pharmaceutical or new material handling</li> </ul> <p style="margin-top:22px;"><strong>Need model selection support?</strong> Send FUWEI your material name, particle size, bulk density, temperature, capacity, pressure difference and flange standard. We will recommend a suitable rotary valve model for your process.</p> </div>
Internal Coated Rotary Valve
<div class="seo-content" style="font-size:16px;line-height:1.9;color:#333;"> <h2 style="font-size:28px;color:#fd8335;margin-bottom:16px;">Internal Coated Rotary Valve</h2> <p>Internal coated rotary valves use special inner wall spraying or surface treatment to isolate direct metal contact and meet special material handling requirements.</p> <h3 style="font-size:22px;color:#333;margin-top:24px;">Typical Applications</h3> <ul style="padding-left:22px;"> <li>Materials requiring isolated metal contact</li> <li>Special inner cavity surface treatment</li> <li>Powder and granule feeding</li> <li>Chemical, food, pharmaceutical and new material systems</li> <li>Customized surface protection requirements</li> </ul> <p style="margin-top:22px;"><strong>Need model selection support?</strong> Send FUWEI your material name, particle size, bulk density, temperature, capacity, pressure difference and flange standard. We will recommend a suitable rotary valve model for your process.</p> </div>
Quick Disassembly Rotary Valve
<div class="seo-content" style="font-size:16px;line-height:1.9;color:#333;"> <h2 style="font-size:28px;color:#fd8335;margin-bottom:16px;">Quick Disassembly Rotary Valve</h2> <p>Quick disassembly rotary valves are designed for easier cleaning, inspection and maintenance. The structure helps operators access the rotor and inner cavity more conveniently.</p> <h3 style="font-size:22px;color:#333;margin-top:24px;">Typical Applications</h3> <ul style="padding-left:22px;"> <li>Frequent cleaning and maintenance</li> <li>Easy rotor inspection</li> <li>Powder handling systems requiring fast access</li> <li>Food, feed, pharmaceutical and pet food applications</li> <li>Production lines where downtime reduction is important</li> </ul> <p style="margin-top:22px;"><strong>Need model selection support?</strong> Send FUWEI your material name, particle size, bulk density, temperature, capacity, pressure difference and flange standard. We will recommend a suitable rotary valve model for your process.</p> </div>
Y-Type Three-Way Ball Directional Control Valve
FUWEI Y-Type three-way ball directional control valve is designed to switch material flow direction in Y-shaped pipelines. It is suitable for powder, granule and solid material conveying systems in chemical, plastic, metallurgy, mining, building materials, glass, ceramic, food, beverage and environmental protection industries. Selection range: DN50-DN350, PN 1.0MPA to PN 2.5MPA or ANSI CL150, -29 C to 200 C, flange connection, manual, pneumatic or electric drive.
Butterfly Valve
FUWEI Butterfly Valve series is designed for fuwei butterfly valves are used for shut-off, flow switching and flow control in gas, liquid, powder and corrosive media systems. Main selection reference: TBD / TBD2 / TBD3 / TB-400 / TB-300 / TBDF. Typical applications include Powder conveying and discharge, Gas and liquid pipelines, Steam and oil service, Corrosive liquid handling, High-frequency industrial switching. Please confirm medium, size, pressure, temperature, connection standard and actuator requirements for model selection.
Ball Valve
FUWEI Ball Valve series is designed for fuwei ball valves support shut-off, switching and material flow control for gas, liquid, powder, slurry and corrosive media. Main selection reference: TBQ / TBQ5 / TBQF / TBQC / TBQ3KF / TBQFD / TBQT. Typical applications include Powder and slurry conveying, Gas and liquid shut-off, Corrosive chemical media, High abrasion service, Vacuum or full-bore flow systems. Please confirm medium, size, pressure, temperature, connection standard and actuator requirements for model selection.
Ceramic Valve
FUWEI Ceramic Valve series is designed for fuwei ceramic valves are designed for high-abrasion powder, slurry and granular media where long wear life and reliable sealing are required. Main selection reference: TBQTC / TBQCY / TB-200. Typical applications include High-abrasion powder conveying, Slurry pipelines, Granular material handling, Erosion-prone process positions, Pneumatic conveying and ash handling. Please confirm medium, size, pressure, temperature, connection standard and actuator requirements for model selection.
Sanitary Valve
FUWEI Sanitary Valve series is designed for fuwei sanitary valves use quick-clamp connection for clean, convenient installation in powder, slurry and hygienic material handling systems. Main selection reference: TBDS. Typical applications include Food and beverage powder handling, Pharmaceutical and fine chemical processes, Hygienic slurry pipelines, Quick-clean production lines, Compact automated shut-off positions. Please confirm medium, size, pressure, temperature, connection standard and actuator requirements for model selection.
Knife-Gate Valve
FUWEI Knife-Gate Valve series is designed for fuwei knife-gate valves are used for cutting off granular and powder media in industrial pipelines and material handling systems. Main selection reference: TBDZ. Typical applications include Powder discharge, Granular material shut-off, Bulk solid handling, Dust collection and silo systems, Pneumatic conveying line isolation. Please confirm medium, size, pressure, temperature, connection standard and actuator requirements for model selection.
Mother Child Valve
FUWEI Mother Child Valve series is designed for fuwei mother child valves combine upper and lower valve functions for controlled discharge, batching and sealing in slurry or material handling processes. Main selection reference: TB-700. Typical applications include Slurry discharge and shut-off, Batching and dosing systems, Powder and slurry flow control, Automated material handling, Process positions needing double control. Please confirm medium, size, pressure, temperature, connection standard and actuator requirements for model selection.
Regulating Valve
FUWEI Regulating Valve series is designed for fuwei regulating valves are used for modulating flow in gas and liquid systems, with pneumatic or electric actuation available. Main selection reference: TBTJ6. Typical applications include Gas flow regulation, Liquid flow control, Automated process control, Chemical and industrial pipelines, Systems requiring stable modulating control. Please confirm medium, size, pressure, temperature, connection standard and actuator requirements for model selection.
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Y-Type Three-Way Ball Directional Control Valve

FUWEI Y-Type three-way ball directional control valve is designed to switch material flow direction in Y-shaped pipelines. It is suitable for powder, granule and solid material conveying systems in chemical, plastic, metallurgy, mining, building materials, glass, ceramic, food, beverage and environmental protection industries. Selection range: DN50-DN350, PN 1.0MPA to PN 2.5MPA or ANSI CL150, -29 C to 200 C, flange connection, manual, pneumatic or electric drive.

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Y-Type Three-Way Ball Directional Control Valve

FUWEI MACHINERY

Y-Type Three-Way Ball Directional Control Valve

Y-Type three-way ball directional control valve for switching solid material flow direction in Y-shaped conveying pipelines.

20+ YearsManufacturing experience

OEM & ODMCustom engineering

ISO9001 & CECertified supply

Why choose this model

Three-way switching

Three-way switching: redirects powders, granules and sheet materials in Y-shaped pipelines.

Reliable sealing

Reliable sealing: polymer seat and integrated ball-stem structure help reduce leakage and torque.

Flexible actuation

Flexible actuation: manual, pneumatic or electric drive options for automated conveying systems.

Typical applications

Powder and granular conveying systems
Chemical and plastic processing
Metallurgy, mining and building materials
Food, beverage and environmental protection projects

Selection parameter table

Item	Specification
Body size	DN50-DN350
Pressure	PN 1.0MPA-PN 2.5MPA; ANSI CL150
Medium temperature	-29 C to 200 C
Connection method	Flange connection
Action	Double acting; single acting normally closed; single acting normally open
Drive mode	Manual, pneumatic or electric
Pneumatic actuator	AT series, GT series
Electric actuator	WDT series, R series
Control mode	Standard switch type, integral regulating type, integral switch type

Design and Inspection Standards

Item	Standard
Design standards	GB12237; API 6D/608
Structure length	GB/T12221; ANSI B16.10
Flange connection	HG/T 20592; ANSI B16.15
Inspection standards	GB/T26480; API 598

Main Materials

Part	Material Options
Valve body, valve cover, upper cover, bracket	WCB, CF8, CF8M
Sphere, bolt, wear-resistant sleeve, nut, packing gland, rotating shaft	304, 316
Valve seat	PTFE, RPTFE
Sealing gasket	SIR, FKM
V-shaped packing	PTFE, RPTFE
Optional devices	Pneumatic actuator, solenoid valve, limit switch, filter regulator, electric actuator

Pneumatic PN16 Dimension Reference

DN	C	D	K	d	L	n-d	H	H1	W	Wt kg
DN50	C50	D165	K125	d102	L340	4-18	H120	H1 405	W530	40
DN65	C64	D185	K145	d122	L400	8-18	H140	H1 540	W630	63
DN80	C76	D200	K160	d138	L410	8-18	H170	H1 600	W710	70
DN100	C98	D220	K180	d158	L460	8-18	H180	H1 660	W785	100
DN125	C125	D250	K210	d188	L560	8-18	H215	H1 720	W830	162
DN150	C150	D285	K240	d212	L660	8-22	H240	H1 780	W960	282
DN200	C200	D340	K295	d268	L800	12-22	H270	H1 840	W1060	385
DN250	C250	D405	K355	d320	L1030	12-26	H290	H1 920	W1170	515
DN300	C300	D460	K410	d378	L1140	12-26	H310	H1 1000	W1290	720

Optional Attachments

Solenoid valve: 2-position 3-way or 2-position 5-way, single or double electric control.

Filter regulator: stabilizes and filters the air source.

Limit switch: provides remote switch signal feedback.

Manual mechanism: supports manual opening and closing.

Explosion-proof and non-explosion-proof options are available for solenoid valve and limit switch. Please specify the required explosion-proof level when ordering.

Ordering Information

For accurate selection, please confirm body size, pressure standard, material, medium, temperature, flange standard, flow direction, drive mode, action type, control mode and required attachments.