Factory Price Kf Stainless Steel 2/3-Piece Vacuum Pneumatic Ball Valve for Vacuum in Pipeline Equipment Accessories

Product Description

Product Description

The Pneumatic Ball Valve is an advanced fluid control device designed to regulate, start, stop, or divert the flow of liquids,gases, or slurries with high efficiency and responsiveness across industrial, commercial, and municipal applications. Driven by compressed air, this valve combines the precision of pneumatic actuation with the reliable sealing performance of a ball-type closure mechanism, making it ideal for scenarios requiring fast, automated flow control.

At its core, the valve features a hollow, spherical ball (the "valve ball") with a central bore. When the pneumatic actuator receives a control signal, it rotates the ball 90 degrees—aligning the bore with the valve's inlet and outlet to allow unobstructed flow, or turning the solid part of the ball to block the passage and shut off flow. This quarter-turn operation ensures rapid response times, minimizing lag in critical process control and reducing energy waste compared to slower-acting valve types.

Constructed with durable materials (typically carbon steel, stainless steel, or alloy steel for the body, and PTFE, PEEK, or metal seals for the ball and seat), the Pneumatic Ball Valve offers excellent resistance to corrosion, wear, and extreme operating conditions (including high pressures up to 1000+ PSI and temperatures ranging from -40°C to 300°C, depending on the model). The tight sealing design prevents leakage even with viscous or abrasive media, protecting piping systems and ensuring compliance with strict safety and environmental standards.

Its compact structure and lightweight design simplify installation in both horizontal and vertical piping layouts, while modular actuator options (double-acting for fail-in-place operation or single-acting for fail-open/fail-close functionality) allow customization to meet specific safety requirements. Additionally, the valve's low maintenance needs—thanks to fewer moving parts and self-lubricating seal materials—reduce downtime and operational costs over its service life.

Widely used in chemical processing, water treatment, food and beverage production, HVAC systems, and oil and gas midstream operations, the Pneumatic Ball Valve delivers consistent performance, enhanced process control, and long-term reliability in demanding fluid management tasks.

Product Advantages

A – Agile & Fast Operation

Pneumatic actuation enables rapid on-off switching (typically within seconds), ideal for automated systems requiring quick flow control responses. Eliminates delays associated with manual operation, boosting process efficiency.

B – Bubble-Tight Sealing

Performance Floating or trunnion ball design with precision-machined sealing surfaces (PTFE, metal-to-metal) ensures zero leakage. Maintains airtight closure even under high pressure, safeguarding media integrity and operational safety.

C – Compact & Space-Saving Design

Sleek, lightweight structure with minimal footprint. Easy to install in tight pipelines or complex system layouts without compromising performance, reducing installation and layout costs.

D – Durable & Low-Maintenance Build

Robust materials (stainless steel, carbon steel, alloy) resist corrosion, wear, and harsh media. Fewer moving parts minimize mechanical failure risks, lowering long-term maintenance and replacement expenses.

E – Efficient Flow Characteristics

Full-port ball design offers unobstructed flow path, minimizing pressure drop and energy loss. Optimizes fluid transfer efficiency for liquids, gases, or slurries in industrial processes.

F – Flexible Automation Compatibility

Seamlessly integrates with PLCs, sensors, and control systems for remote or automated operation. Supports on/off, modulating, or sequential control, adapting to diverse industrial automation needs.

G – Versatile Application Range 

Handles high pressure, temperature fluctuations, and aggressive media (chemicals, oils, steam). Suitable for oil and gas, petrochemical, water treatment, and manufacturing industries—delivering reliable performance across scenarios.

Product Model	DN	(mm)				(kg)
		L	D1	D2	H
J61H-200 J61Y-200 J961H-200 J961Y-200	20	170	22	42	480	38
	25	170	27	42	520	41
	32	200	34	52	728	58
	50	350	53	76	728	89
	80	500	86	108	798	135
	100	600	107	161	890	190
J61Y-250 J61Y-320 J961H-250 J961Y-320	20	150	25	40	576	47
	25	170	27	42	585	49
	32	180	32	55	606	52
	50	250	50	83	722	73
	80	470	80	105	895	225
	100	600	100	142	1179	296
						mm
Type	DN	(mm)Mainexternalandconnectingdimensions				(kg)
		L	D1	D2	H
J61Y-P54100V J61Y-Ps4100V J961Y-Ps4100V J961Y-Ps4100V	20	170	22	42	480	38
	25	170	27	42	520	41
	32	200	34	52	728	58
	50	350	53	76	728	89
	80	500	86	108	798	135
	100	600	107	161	890	190
J61Y-Ps4170V J61Y-Ps4195V J961Y-Ps4170V J961Y-Ps4195V	20	150	25	40	576	47
	25	170	27	42	585	49
	32	180	32	55	606	52
	50	250	50	83	722	73
	80	470	80	105	895	225
	100	600	100	142	1179	296

How dose valve work?

Pneumatic ball valves operate on a simple yet efficient mechanism, using compressed air to control flow in industrial pipelines.At their core is a spherical ball with a through-hole (bore) housed in a durable valve body, connected to a pneumatic actuator via a stem.

The actuator—powered by compressed air—drives rotational movement (90 degrees) of the stem and ball. When air is supplied to one side of the actuator, it rotates the ball to align the bore with the pipeline, opening the valve and allowing media (liquids, gases, or slurries) to flow through unobstructed.

To close the valve, air is redirected to the opposite side of the actuator, rotating the ball 90 degrees to position the solid part of the sphere against the valve seats. Precision-machined seats (PTFE or metal-to-metal) form a bubble-tight seal, stopping flow completely.

Many models include a spring return feature: if air supply fails, the spring resets the valve to a pre-set position (open or closed) for safety. This automated, fast-acting mechanism requires no manual intervention, making it ideal for remote or high-volume systems in petrochemical, water treatment, and manufacturing industries.

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