SS4A Series Stainless Steel 5-Way Air Control Valves

The SS4A Series is engineered for safe, non-electrical control in the most extreme industrial environments. Constructed entirely from 316 stainless steel, these 5-way air pilot valves are the premier choice for controlling double-acting actuators in the food, pharmaceutical, and chemical industries. With an exceptionally wide operating temperature range from -30°C to 130°C, they combine hygienic, corrosion-resistant properties with the intrinsic safety of air actuation, making them perfect for washdown zones, high-heat applications, and corrosive atmospheres.
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Product Introducing:


Features & Key Specifications

Features & Key Specifications of Our SS4A Series:

Premium 316 Stainless Steel Body:
The valve body is machined from solid SS316 stainless steel, offering maximum durability and resistance to corrosive chemicals, cleaning agents, and saline environments.

Extreme Temperature Performance (-30°C to 130°C):
Designed to operate flawlessly in a vast temperature range, this high temperature air valve is ideal for use in everything from cold storage and refrigerated transport to industrial ovens and hot processing lines.

Safe, Non-Electrical Air Actuation:
As a non-electrical 5-way valve, it provides a secure control method in areas where electrical components are not permitted or desired, operating effectively within a pressure range of 0.2 to 0.8 MPa.

Comprehensive Range of Port Sizes:
This series is highly versatile, available in a full spectrum of port sizes including M5, 1/8", 1/4", 3/8", and 1/2" to meet any system's flow requirements.

Full 5-Way Control Functions:
The series includes both single air pilot (spring return) and double air pilot (latching) models, providing the full 5-way functionality required to control the extend and retract strokes of double-acting cylinders.


Application Fields

Critical for Safe Control in Harsh Environments:

Food & Beverage Processing: Controlling actuators in both refrigerated and high-temperature (e.g., steam cleaning, hot-fill) areas where washdowns are frequent.

Pharmaceutical Manufacturing: Used in cleanrooms for controlling actuators where non-sparking components and extreme temperature resistance are essential.

Chemical Plants: A durable, corrosion-resistant valve for controlling processes in fluctuating ambient temperatures.

Industrial Ovens & Furnaces: Controlling pneumatic components located in high-temperature zones up to 130°C.

Marine & Offshore: Safe and reliable control in saltwater environments with exposure to extreme weather conditions.


Technical & Selection Guide

When is the SS4A the Right Choice?

The SS4A is a highly specialized valve. Select it when your application meets these criteria:

You need to control a DOUBLE-ACTING cylinder. (This requires a 5-way valve function).

The environment is CORROSIVE, HYGIENIC, or has EXTREME TEMPERATURES. (This requires 316 stainless steel and a high-temp design).

The area requires NON-ELECTRICAL control. (This requires an air pilot valve).

If your application meets these conditions, the SS4A is the perfect, purpose-built solution.


FAQ

Frequently Asked questions

Q: What is the difference between an SS4A and an SS3A valve?
A: The function. The SS4A is a 5-way valve designed for double-acting cylinders. The SS3A is a 3-way valve designed for single-acting cylinders. Both are high-performance stainless steel air pilot valves.

Q: Can this valve really be used at -30°C?
A: Yes. The valve is constructed with materials, including seals, that are rated to perform reliably in freezing conditions down to -30°C (-22°F), making it suitable for cold storage and outdoor winter applications.

Q: Why would I use this instead of a stainless steel solenoid valve (SS4V)?
A: You would choose this SS4A air pilot valve over an SS4V solenoid valve specifically for safety reasons in certain environments (e.g., to avoid any electrical source), or for building a simple, purely pneumatic control system without any wiring.


Specifications

MODELSS4A110-SS4A410SS4A120-SS4A420SS4A330C/P/E-SS4A430C/P/E
Working Medium40 Micro Filtered Clean Air
Acting TypeInternal Pilot
Working Pressure0.2-0.8 Pa
Guranteed Pressure1.2 Pa
Working Temperature-30~130°C
Voltage Range±10%
Power ConsuPtionAC: 4.5VA ; DC:3W
Insulation ClassClass F
Ingress ProtectionIP65
Max. Acting Frequency4 cycles/second (no load)
Activate Time0.25 second (no load)


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About Us
Ningbo Pneutech Automation Co., Ltd.
Ningbo Pneutech Automation Co., Ltd.
Specializes in pneumatic components and automation solutions.Head quartered in Ningbo, China, We lever age 10 years of industry experience to provide high-quality cost-effective products and technical support to global clients. We offer a wide range of products including solenoid valves, air treatment units, fittings & tubing andautomation accessories-Serving industries like packaging, textile food,pharmaceuticals,environment al protection, water treating.etc
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