Fisher 66R Series Vapor Recovery Valve | Original Emerson Supply | Large Size Low-Pressure Control

Fisher 66R Series vapor recovery valve for low-pressure tank systems, offering stable vapor control, large-flow capacity, and long-term industrial reliability.

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Fisher 66R Series Vapor Recovery Valves

🔹 Product Introduction

ദി Fisher 66R Series Vapor Recovery Valve is designed for low-pressure vapor recovery and tank pressure balancing in storage and processing systems. It helps capture valuable vapors, prevent product loss, and stabilize tank pressure, especially in large-capacity industrial installations.

With multiple body sizes up to DN100 and robust metal construction, the 66R series is ideal for continuous operation in demanding environments.

🔹 Key Features

Wide pressure range for precise vapor recovery control
Large body sizes (DN50–DN100) for high-flow systems
Internal or external pressure registration options
Compatible with NBR and FKM diaphragms for temperature resistance
Cast iron, steel, or stainless steel materials available

🔹 Application Scenarios

The Fisher 66R series is widely used in:

Oil & gas storage tanks
Fuel terminals and depots
Chemical processing plants
Refinery vapor recovery systems
Bulk liquid storage facilities

It is especially suitable where stable low-pressure control and vapor conservation are critical for safety and cost reduction.

🔹 Technical Parameters

Parameter	സ്പെസിഫിക്കേഷൻ
Product	Fisher 66R Series Vapor Recovery Valves
Body Sizes	NPS 2 / DN 50; NPS 3 / DN 80; NPS 4 / DN 100
Body Materials	Cast Iron, Steel, or Stainless Steel
End Connections	NPT; CL125 FF; CL150 RF
Maximum Inlet Pressure	Type 66R: 8 psig / 550 mbar Type 66RR: 10 psig / 690 mbar
Set Pressure Ranges	Type 66R: 2 in.w.c. to 3 psig (5 to 207 mbar) in six ranges Type 66RR: 3 in.w.c. to 3.25 psig (7 to 224 mbar) in seven ranges
Pressure Registration	Type 66R: Internal (standard) or External Type 66RR: External
Temperature Capabilities	Nitrile (NBR): -20 to 180°F / -29 to 82°C Fluorocarbon (FKM): 40 to 300°F / 4 to 149°C
Approximate Weights	66R: NPS 2 / DN 50 NPT: 50 lb / 23 kg 66R: NPS 3 / DN 80 NPT: 75 lb / 34 kg 66R: NPS 4 / DN 100 NPT: 155 lb / 70 kg 66RR: NPS 2 / DN 50 NPT: 65 lb / 29 kg 66RR: NPS 3 / DN 80 NPT: 115 lb / 52 kg 66RR: NPS 4 / DN 100 NPT: 170 lb / 77 kg

🔹 For Industrial Buyers

We supply original Fisher 66R valves with verified part numbers and full technical support.

Our team helps you match sizing, pressure range, and materials to your actual operating conditions, reducing installation risks and long-term maintenance costs.

Stable supply, fast quotation, and professional export service are guaranteed.

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.