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KAI WEI XI CHAN PIN FEN LEI

ZZJ Pneumatic Slurry Valve
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Phone：+86（577）6730 7899
Mobile：+86 195 1816 9569
Fax：+86（577）6738 7099
Email：Lucas@kaiweixi.com
Address：No. 1, Linxia Road, Oubei Street, Yongjia County, Wenzhou City, Zhejiang Province,china
Website：https://www.kaiweixi.com

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ZZJ Pneumatic Slurry Valve

Model：ZZJ-6C/ZZJ-10C/ZZJ-6P/ZZJ-10P/ZZJ-6R/ZZJ-10R
Specification：DN50~600
Temperature：-30～300℃
Medium：Rapid shut-off for slurry, coal slurry, sewage, fibrous media, etc.

Pressure：PN0.6～1.0MPa
Connection method：Flange
Driving method：Pneumatic
Material：Cast Steel,Stainless Steel,Duplex Stainless Steel

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ZZJ Pneumatic Slurry ValveOverview

The ZZJ pneumatic slurry valve is a lightweight shut-off valve driven by a pneumatic actuator, specifically designed for media containing fibers, solid particles, or viscous slurries in mining, papermaking, coal washing, municipal sewage, and chemical production. Utilizing a knife-edge principle, the core component—the gate plate—performs a vertical reciprocating motion under the actuator's thrust. Through the sharp blade at the bottom of the plate, the valve effectively shears through impurities at the moment of closing and presses against the seat to achieve a tight seal. With its short face-to-face dimension, low resistance coefficient, excellent anti-clogging capabilities, and ease of automation, the ZZJ series is a critical execution device for handling harsh media in modern industrial fluid systems.

Product Image of ZZJ Pneumatic Slurry Valve

ZZJ Pneumatic Slurry ValveCharacteristic

1.Superior shearing and anti-jamming performance:The gate bottom is precision-machined into a wedge-shaped blade, providing a strong shearing action during closing to cut through fibers and crystals, completely solving the issues of jamming and seat damage common in traditional valves.
2.Ultra-short structure for space saving:The wafer or narrow flange design ensures overall dimensions and weight are much lower than traditional gate valves. This saves installation space and significantly reduces the mechanical load on the pipeline and its supports.
3.Full-bore design and low resistance:When fully open, the flow area matches the pipe exactly, ensuring unobstructed passage. This maximizes throughput, minimizes pressure drop, and prevents scale buildup within the valve cavity.
4.Powerful and stable pneumatic drive:Equipped with high-performance pneumatic cylinders for large thrust and rapid cycling. It easily integrates with solenoid valves and limit switches for remote DCS or PLC automated control.
5.Intrinsically safe attributes:Powered by clean compressed air, it eliminates spark risks and provides natural explosion-proof safety, ideal for dusty or flammable industrial environments.
6.Versatile sealing options:Available with wear-resistant rubber soft seals or hard-faced alloy hard seals. The sealing pairs offer exceptional erosion resistance, ensuring long service life in abrasive media like slag and coal slurry.
7.Precision guiding and alignment:Internal guide slots ensure the gate remains accurately positioned and uniformly stressed during movement, preventing eccentric wear or leaks caused by fluid impact.
8.Modular maintenance:The simple structure has few wearing parts. The scientific connection between actuator and body allows for online inspection and replacement of gaskets or packing without removing the valve from the line.

ZZJ Pneumatic Slurry Valvestructure principle

Structural Drawing of ZZJ Pneumatic Slurry Valve

List of Component Names and Materials

Part Name	Materials
Body & Bonnet	Cast Steel,Stainless Steel,Duplex Stainless Steel
Wedge / Gate	Carbon Steel, Stainless Steel
Stem	Stainless Steel
Sealing Surface	Rubber, PTFE (Teflon), Stainless Steel, Hard Alloy

ZZJ Pneumatic Slurry Valvetechnology parameter

Performance Specification Sheet

Performance Specification Sheet
Nominal Pressure	0.6	1.0	MPa
Strength test pressure	0.9	1.5
Sealing test pressure	0.66	1.1
Applicable Temperature	-29~350		℃

ZZJ Pneumatic Slurry Valvestandard size

Standard requirements for external dimensions

1.Design & Manufacturing: GB12237-89, API608, API 6D, JPI 7S-48, BS5351, DIN3357

2.Flange Dimensions: JB/T74～90, GB9112～9131, HGJ44～76, SH3406, ANSI B16.5, JIS B2212～2214, NF E29-211, DIN2543

3.Face-to-Face Dimensions: GB12221-89, ANSI B16.10, JIS B2002, NF E29-305, DIN3202

4.Inspection & Testing: JB/T 9092, API 598

Outline Drawing of ZZJ Pneumatic Slurry Valve

Outline dimension table（Unit：mm）

Pressure (MPa)	DN	L (PN0.6)	L (PN1.0)	D	D1	B	H	n-M	Angle (α)
1.0	50	40	40	125	100	115	335	4-M16	45°
	65	40	40	145	120	115	363	4-M16	45°
	80	50	50	160	135	150	395	4-M16	22.5°
	100	50	50	180	155	150	465	4-M16	22.5°
	125	50	50	210	185	190	530	4-M16	22.5°
	150	60	60	240	210	190	630	4-M20	22.5°
	200	60	60	295	265	230	750	4-M20	22.5°
	250	70	70	350	318	280	900	8-M20	15°
	300	70	80	400	368	350	1120	8-M20	15°
	350	80	90	460	430	350	1260	10-M20	11.25°
	400	90	120	515	482	350	1450	10-M24	11.25°
	450	90	120	565	532	350	1600	14-M24	9°
	500	100	130	620	585	350	1800	14-M24	9°
	600	100	140	725	685	430	2300	14-M27	9°

Articles related to technology research and development

Dynamic balance electric control valve Patent

The utility model provides a dynamically balanced electric regulating valve, which includes a valve body, a valve cover, a valve rod, a valve core installed inside the valve body and connected to the valve rod, and an actuator installed on the valve cover and connected to the top end of the valve rod. The valve body is internally provided with a water inlet chamber, a valve cavity, and a water outlet chamber in order towards the direction of medium flow. The valve core is in the shape of a bucket with its opening facing downwards. The valve core is located inside the valve cavity and is used for connecting or cutting off between the water inlet chamber and the valve cavity. The top of the valve core is provided with a through port for medium circulation. Above the through port, there is a filter cover detachably connected to the valve core. The valve rod is provided with a step, and the outside of the step is covered with an elastic sleeve that fits it. The top of the filter cover is provided with a fixing hole that fits the elastic sleeve. This utility model can filter the medium, is simple to install, time-saving, labor-saving, and can reduce the medium pressure inside the valve body, extending the service life of the valve core.
1. A dynamic balance electric regulating valve, comprising a valve body, a valve cover, a valve rod, a valve core installed inside the valve body and connected to the valve rod, and an actuator installed on the valve cover and connected to the top end of the valve rod. Its characteristic lies in that the valve body is sequentially provided with an inlet chamber, a valve cavity, and an outlet chamber in the direction of medium flow. The valve core is in the shape of a bucket with an opening facing downwards. The valve core is located inside the valve cavity and is used for connecting or cutting off between the inlet chamber and the valve cavity. The top of the valve core is provided with a port for medium circulation. Above the port, there is a filter cover detachably connected to the valve core. The valve rod is provided with a step, and the outside of the step is covered with an elastic sleeve that fits it. The top of the filter cover is provided with a fixing hole that fits the elastic sleeve.
2. A dynamic balance electric regulating valve according to claim 1, characterized in that the bottom of the valve body is provided with a downward-opening groove, which is connected to the valve cavity through a through hole. A bottom cover connected to the valve body is arranged below the groove, and a pressure relief mechanism is arranged inside the groove. The pressure relief mechanism comprises a force-receiving member, a pressure plate connected to the force-receiving member, and a first spring arranged below the pressure plate and abutting against the bottom cover. The force-receiving member comprises a flow diversion block protruding from the through hole and a connecting rod connected to the flow diversion block, and the connecting rod passes through the pressure plate and is locked and fixed by a nut.
3. A dynamic balance electric regulating valve according to claim 2, characterized in that the top end of the pressure plate is pressed against the top wall of the groove, the bottom of the pressure plate is provided with a boss, and the top end of the first spring is sleeved on the boss.
4. A dynamic balance electric control valve according to claim 1, characterized in that the valve rod is arranged through the valve cover, a sealing cover threadedly connected to the valve cover is sleeved on the valve rod, a convex ring abutting against the valve cover is arranged on the outer circumferential wall of the sealing cover, a nut cover threadedly connected to the sealing cover is arranged at the connection between the sealing cover and the valve rod, an installation groove is arranged at the connection between the nut cover and the valve rod, a plurality of O-rings adapted to the valve rod are stacked in the installation groove, and a packing gland threadedly connected to the installation groove is arranged above the O-rings.
5. A dynamic balance electric control valve according to claim 4, characterized in that a second spring is arranged between the packing gland and the O-ring.
6. A dynamic balance electric control valve according to claim 5, characterized in that a sealing ring adapted to the valve rod is arranged inside the nut cover below the installation groove.
7. A dynamic balance electric control valve according to claim 6, characterized in that the bottom of the sealing cover is provided with a thrust ring that is threadedly connected to the sealing cover and abuts against the bottom end of the valve cover.
8. A dynamic balance electric regulating valve according to claim 1, characterized in that the top surface of the elastic sleeve is higher than the top surface of the filter cover.
9. A dynamic balance electric control valve according to claim 8, characterized in that the filter cover is connected to the valve core through threads.

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Product classification of Kaiweixi

KAI WEI XI CHAN PIN FEN LEI

ZZJ Pneumatic Slurry Valve

More Pneumatic Control Valve>>

More control valve>>

More valve>>

ZZJ Pneumatic Slurry Valve