Pneumatic Stainless Steel Ball Valve Advantages & Types

PARAMETER

ADVANTAGE

The Pneumatic Stainless Steel Ball Valve (models Q41/341/641/941F/H/Y) is designed for efficient fluid control in various industrial applications. This valve utilizes a spherical closure element (the ball) that rotates around its axis to regulate the flow of liquids and gases.

Key Features

Operation Mechanism: The valve’s opening and closing actions are driven by the valve stem, which facilitates the rotational movement of the ball, allowing for quick and reliable operation.
Fluid Regulation: This valve can be utilized for both fluid regulation and control, making it versatile for different operational requirements.

Specialized Designs

Hard Seal V-Type Ball Valve

Construction: Features a V-type core with a surfacing carbide metal valve seat.
Shear Force: Provides strong shear force, making it particularly effective for handling media that contain fibers or small solid materials.

Multi-Pass Ball Valve

Functionality: Allows for flexible control of medium confluence, shunting, and flow switching.
Versatility: Capable of closing any channel while connecting the other two channels, enhancing operational flexibility within the pipeline.

Installation Guidelines

Orientation: This type of valve is generally recommended for horizontal installation within the pipeline to ensure optimal performance and ease of maintenance.

Driving Modes

Pneumatic ball valves can be categorized based on their driving modes:

Manual Ball Valve: Operated manually through a handle or lever for straightforward applications.

Pneumatic Ball Valve: Operated using compressed air, providing rapid actuation.

Electric Ball Valve: Controlled by electric actuators for automated systems.

Main parts and materials

Name/Material	WCB	CF8	CF3	CF8M	CF3M
Body	WCB	CF8	CF3	CF8M	CF3M
Ball/Stem	WCB	CF8	CF3	CF8M	CF3M
Seat	PTFE / RPTFE/PPL
Bolt/Nut	B7/2H	B8/8	B8/8	B8M/8M	B8M/8M

Technical Specification

Design&Manufacture Standard	GB/T12237	API 6D
FTF Dimension Standard	GB/T12221	ASME B16.10
Flange standard	HG/T20592	ASME B16.5
Inspection & Test Standard	HG/T13927	API 598

The main connection size

DN (mm	L	D	D1	D2	b	Z-Φd	H	W
Q41F-16C Q41F-16P Q641F-16C Q641F-16P BQ41F-16C BQ941F-16P
15	130	95	65	45	14	4φ14	78	130
20	130/140	105	75	55	14	4φ14	84	130
25	140/150	115	85	65	14	4φ14	95	160
32	165	135/140	100	78	16	4φ18	150	160
40	165/180	145/150	110	85	16	4φ18	150	180
50	203/200	160/165	125	100	16	4φ18	170	200
65	222/220	180/185	145	120	18	4φ18	195	240
80	241/250	195/200	160	135	20	8φ18	215	240
100	305/280	215/220	180	155	20	8φ18	250	280
125	356/320	245/250	210	185	22	8φ18	265	300
150	394/360	280/285	240	210	24	8φ23	270	300
200	400/457	335/340	295	265	26	12φ23	330	350
250	533	405	355	320	30	12φ26	450	400
300	610	460	410	375	30	12φ26	540	500

Corrosion Resistance
Pneumatic stainless steel ball valves resist corrosion, making them suitable for environments with harsh fluids or gases. The use of stainless steel ensures durability and reduces the likelihood of valve failure.

Shut-Off Capabilities
These valves provide reliable shut-off, thanks to their design that creates a tight seal when closed. This feature helps minimise leakage and ensures safety in critical applications.

Quick Operation
Pneumatic ball valves can be opened or closed with a simple quarter turn, allowing for fast actuation. This quick response is useful in situations requiring immediate flow control or emergency shut-off.

Low Maintenance
The straightforward design of pneumatic stainless steel ball valves, which has fewer moving parts than other types, leads to lower maintenance needs. With proper installation and care, these valves can last a long time, reducing downtime.

Versatile Applications
Pneumatic stainless steel ball valves are suitable for various applications across different industries, including chemical processing and food production. They can handle liquids, gases, and slurries, making them a practical choice for many fluid control systems.

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