# BUC Inline Air Shut-Off Valve Pneumatic Hand Valve

Date: 2026-07-12
Categories: Pneumatic Fittings
URL: https://homipneu.com/buc-pneumatic-hand-valve.html

## Product Summary

BUC pneumatic hand valve is a **push-to-connect inline manual air shut-off valve** designed for controlling airflow directly within pneumatic tubing systems.

With a compact in-line structure and simple lever operation, it allows users to quickly turn air flow ON or OFF without additional fittings, making it ideal for maintenance isolation and system control.

The BUC series adopts a **ball valve structure**, ensuring reliable sealing and long service life in compressed air systems. **OEM and ODM customization services are available** for tube size, material, sealing components, and branding requirements.

### Specification Parameters

**Operating Fluid**
Air

**Type**
[Pneumatic Fittings](https://homipneu.com/tag/pneumatic-fittings)

**Proof Pressure**
1.32 MPa (13.5 kgf/cm²)

**Max. Operating Pressure**
0~0.9 MPa (0~9.2 kgf/cm²)

**Ambient & Fluid Temperature**
0~60°C

**Applicable Tubing**
[PU](https://homipneu.com/product/pneumatic-fittings/pu-pneumatic-straight-union.html) Tube, Nylon Tube

![BUC pneumatic hand valve push to connect inline air shut off valve](https://homipneu.com/wp-content/uploads/2026/04/20260429113112243051-800x365.webp)

**Model**
**A**
**E**
**C**
**ØD ×2**
**ØP×2**

BUC-4
55.5
23.5
35
4
18

BUC-6
57
23.5
35
6
18

BUC-8
57
23.5
35
8
18

BUC-10
69
27
42
10
24

BUC-12
70
27
42
12
24

### Color options available

[![BUC pneumatic hand valve push to connect inline air shut off valve](https://homipneu.com/wp-content/uploads/2026/04/20260429112904863606.webp)](https://homipneu.com/wp-content/uploads/2026/04/20260429112904863606.webp)

[![BUC pneumatic hand valve push to connect inline air shut off valve](https://homipneu.com/wp-content/uploads/2026/05/20260501170141179543.webp)](https://homipneu.com/wp-content/uploads/2026/05/20260501170141179543.webp)

[![BUC pneumatic hand valve push to connect inline air shut off valve](https://homipneu.com/wp-content/uploads/2026/05/20260501170143673749.webp)](https://homipneu.com/wp-content/uploads/2026/05/20260501170143673749.webp)

![BUC pneumatic hand valve push to connect inline air shut off valve](https://homipneu.com/wp-content/uploads/2026/04/20260429112904863606.webp)

![BUC pneumatic hand valve push to connect inline air shut off valve](https://homipneu.com/wp-content/uploads/2026/05/20260501170141179543.webp)

![BUC pneumatic hand valve push to connect inline air shut off valve](https://homipneu.com/wp-content/uploads/2026/05/20260501170143673749.webp)

### Key Features

- Inline air shut-off valve design

- Push-to-connect quick installation

- Manual ON/OFF control with lever

- Ball valve structure for tight sealing

- Suitable for PU and nylon tubing

### Applications

- Pneumatic automation systems

- Air compressor pipelines

- Industrial machinery

- Maintenance isolation systems

- Air supply control circuits

Widely used in pneumatic systems requiring **direct inline airflow control, fast shut-off, and easy maintenance operation**.

### Product Function

BUC valves are designed to **control or completely shut off airflow inside pneumatic tubing**, allowing safe maintenance and flexible system control.

### Product Structure & Size Range

- BUC4 / BUC6 / BUC8 / BUC10 / BUC12

- Tube sizes: 4mm → 12mm

- Inline straight structure

- Manual lever control

### Why Choose Our Pneumatic Valve

- Professional **BUC pneumatic hand valve manufacturer** with full size range

- OEM / ODM customization for **inline push to connect air valve projects**

- Reliable **manual air shut-off valve for pneumatic systems and automation**

- High-quality **pneumatic valve factory China with strict QC system**

- Durable **inline ball valve for compressed air control applications**

- Fast delivery and global B2B supply support

### FAQ

**Q1: What is a BUC pneumatic hand valve?**It is an inline push-to-connect valve used to manually control or shut off airflow in pneumatic systems.

**Q2: What is the function of a pneumatic hand valve?**It allows users to turn air flow ON or OFF for system control and maintenance isolation.

**Q3: What type of valve is BUC?**It is typically an inline ball valve, offering quick shut-off and reliable sealing.

**Q4: What tubing is compatible with BUC valves?**It is suitable for PU tube and nylon tube.

**Q5: Can BUC pneumatic valves be customized?**Yes, OEM/ODM customization is available for size, material, and structure.

### CTA

Looking for reliable pneumatic inline hand valves for your system?Contact us now for **OEM/ODM solutions, bulk pricing, and fast delivery**.