Technical Description
The 43AP-FA42C-PC is a versatile pneumatic PI (Proportional + Integral) controller designed for accurate process monitoring and regulation in demanding industrial environments. This unit provides precise reset (integral) action to eliminate steady-state offset, ensuring long-term alignment between the process variable and setpoint.
Engineered for field-mounted operation, the controller integrates a high-visibility mechanical pointer for real-time indication along with a robust pneumatic control mechanism. Its mechanical simplicity, spark-free operation, and intrinsic reliability make it well suited for hazardous and electrically sensitive areas.
Detailed Specifications
| Parameter | Specification |
|---|---|
| Model Number | 43AP-FA42C-PC |
| Controller Function | Proportional + Integral (PI / Reset) |
| Integral Action Time | 0.01 to 50 min per repeat (adjustable) |
| Input Element | PC — Pressure receiver (bellows type) |
| Output Signal Range | 3 to 15 psi (pneumatic) |
| Supply Pressure Gauge | Up to 30 psi |
| Switching Mechanism | Type C — Bumpless transfer, 2-position switch with balance gauge and regulator |
| Mounting Configuration | F — Field mounting (pipe or yoke) |
| Weight | 4.8 kg |
| Housing Material | Weatherproof glass-fiber reinforced polyester or die-cast aluminum (43AP series standard) |
Functional Comparison: P vs. PI Control
-
Proportional (P) Control
Responds proportionally to process error but typically results in a permanent offset from the setpoint. -
Proportional + Integral (PI) Control
Implemented in the 43AP-FA42C-PC, integral action continuously adjusts output over time, eliminating steady-state error and driving the process precisely to the setpoint.
Commonly Asked Questions
Q: What is the advantage of the bumpless transfer feature?
A: The Type C switching mechanism enables seamless transfer between manual and automatic modes without sudden output disturbances, protecting valves and other final control elements.
Q: Can the controller be mounted directly on a control valve?
A: While designated for field (F) mounting on a pipe or yoke, it is commonly installed near pneumatic actuators to efficiently regulate pressure-based control loops.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
Recently Viewed
Express Shipping
Extensive Inventory
Quality Assurance
