Fisher CSB400 Pressure Reducing Regulator | True-Monitor Gas Pressure Control System

The Fisher CSB400 Pressure Reducing Regulator provides accurate gas pressure control with integrated safety monitoring, supporting True-Monitor and slam-shut systems for reliable commercial and industrial gas applications.

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Description

Fisher CSB400 Pressure Reducing Regulators

🌟 Product Overview

The Fisher CSB400 Pressure Reducing Regulator is a high-performance gas pressure control solution designed for commercial and industrial gas distribution systems.

With support for True-Monitor and VSX4 slam-shut modules, it delivers stable outlet pressure, automatic protection, and long-term operational safety, making it ideal for critical gas applications.

Built for durability and accuracy, the CSB400 helps operators reduce risk, improve system reliability, and lower maintenance costs.

⚙️ Key Features & Advantages

Balanced valve design for stable pressure control under varying flow conditions
Supports True-Monitor system for continuous safety backup
Optional VSX4 slam-shut module for over/under pressure protection
Available with internal or external pressure registration
Wide body size and connection options for flexible installation
Designed for long service life and easy maintenance

🏭 Typical Applications

The CSB400 is ideal for users who require safe and uninterrupted gas supply:

Gas distribution companies seeking reliable network pressure control
Commercial buildings needing stable fuel gas supply
Industrial plants operating burners, boilers, and heating systems
Energy infrastructure operators requiring automatic safety shutdown

For buyers, this means less downtime, fewer safety incidents, and more predictable operations—helping both B-end and C-end users operate with confidence.

📊 Technical Parameters

Maximum Operating Inlet Pressure	16 bar / 232 psig
Maximum Emergency Inlet Pressure	20 bar / 290 psig
Outlet Pressure Range	17 mbar to 3.0 bar / 6.8 in.w.c to 43.5 psig
Maximum Emergency Outlet Pressure	4.0 bar / 58 psig
Pressure Registration	Internal or External
Temperature Range (PED)	-20°C to 60°C / -4°F to 140°F
Temperature Range (Non-PED)	-30°C to 66°C / -20°F to 150°F
Body Connection Types	NPT, Rp, PN16, CL150 FF, PN10/16
True-Monitor Control Range	27–517 mbar / 11 in.w.c–7.5 psi
VSX4 OPSO Range	43–3400 mbar / 0.62–49.3 psi
VSX4 UPSO Range	10–1500 mbar / 0.15–21.8 psi

🤝 Why Work With Us

We understand that choosing a pressure regulator is about safety, compliance, and long-term reliability.

With our CSB400 supply service, you benefit from:

Professional model selection support
Strict quality inspection before delivery
Fast quotation and stable lead time
Technical guidance after sales

Our goal is to help you reduce risk, save time, and win projects more easily.

Packing & Delivery

1. Precision Packing

At INSTRUBEST, ensuring that your instruments and equipment arrive safely is our top priority. We take the following measures to protect each product:

High-Quality Packing Materials: We use durable materials such as bubble wrap, foam padding, and sturdy cartons to shield products from shocks and vibrations during transit.
Custom Packaging: Tailored packaging solutions are designed to fit the specific needs of different types of instruments and equipment, ensuring maximum protection.
Labels and Markings: All packages are clearly labeled with handling instructions and precautions to minimize the risk of damage during shipping.

2. Rigorous Quality Inspection

Before shipment, our quality control team performs a thorough inspection of each product to ensure that it meets our high standards. We are committed to addressing any potential issues to guarantee the performance and integrity of your equipment.

3. Fast Shipping

We understand that timely delivery is crucial for your business, which is why we offer efficient shipping services:

Processing Time: Orders are processed and prepared for shipment within 24 hours of confirmation.
Shipping Options: We provide a range of shipping options, including standard delivery, expedited services, and international shipping, to suit your needs.
Tracking Services: Once shipped, you will receive a tracking number to monitor the status of your order in real-time.

4. Global Delivery

We are dedicated to delivering products to locations around the world. No matter where you are, we ensure that your instruments and equipment reach you safely and promptly.

5. After-Sales Support

If you encounter any issues with packaging or delivery, please contact our customer service team. We offer comprehensive after-sales support to address any concerns and ensure your complete satisfaction.

FAQ

Q: How long will you give me the reply?

A: We will reply to you as soon as we see the information

Q: What is the delivery time?

A: Our delivery time is within 3-7 days after we get your payment; for large qty mass orders, the time should be confirmed again for you

Q: How about your package?

A: Do not worry about the package, we have rich experience in packing, and all our package is wooden case package .

Q: How about the payment terms ?

A:You can choose T/T.

Q: Do you provide samples ?

A: Yes,we have materials in stock to help you to get the samples as soon as we can.

Q: What is the MOQ?

A:1PC.

Q: Can I get a lower price if I order large quantities?

A: Yes, cheaper prices with more bigger size orders.