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High-Precision C11000/T2 Pure Copper Capillary Tubes
Our C11000/T2 Pure Copper Capillary Tubes are precision-engineered for critical flow control in refrigeration and air conditioning systems. Made from 99.99% pure copper (C11000/T2/C1100/ECU-58), these tubes serve as efficient restrictors for refrigerant flow and pressure regulation. Available in hard, soft, or half-hard tempers, they ensure reliable performance in demanding environments. With customizable dimensions and international certification (ASTM B280, EN 12735-1, JIS H3300), our capillary tubes meet global engineering standards.
Key Features
Material: Oxygen-free pure copper (C11000/T2), 99.99% conductivity
Precision Tolerances: ID control down to ±0.01mm for consistent flow
Compatibility: Works with R134a, R410a, R407a, and hydrocarbon refrigerants
Surface Finish: Bright annealed or polished, internally clean
Flexible Supply: Straight lengths (up to 12m) or coils (5–50kg)
Product Specifications
Item
Hard Soft C11000 T2 C1100 Cu-ETP Copper capillary tube pipe
O.D.: 6-100mm, according to customer's requirement W.T.: 0.4-20mm, according to customer's requirement
Length
10mm~12000mm, or as required
Surface
Mill, polished, bright, oiled
Price Term
Ex-work, FOB, CFR, CIF, etc.
Payment Term
T/T, L/C, Western Union, etc.
Delivery Time
According to order's quantity
Package
Export standard package: bundled wooden box, suit for all kinds of transport, or as required
MOQ
300kg
Application
Copper products are widely used in aviation, aerospace, ships, industry, metallurgy, electronics, electrical, mechanical, transportation, construction and other fields of the national economy
– Instrumentation and sensor lines – Gas and fluid control systems – Medical device piping
General Engineering
– Plumbing and hydraulic systems – Electrical grounding conductors – Decorative and architectural uses
Working Principle
Pressure Reduction: High-pressure liquid refrigerant from the condenser enters the narrow capillary tube. The small internal diameter (typically 0.4–3mm) creates a pressure drop, reducing the refrigerant to low-pressure, low-temperature liquid.
Flow Control: The tube's length and inner diameter are calibrated to match compressor capacity and system load, maintaining stable evaporator pressure.
Evaporator Feed: The cooled refrigerant expands into the evaporator, absorbing heat from the surrounding environment.
System Advantages: – No moving parts → low maintenance – Cost-effective compared to expansion valves – Ideal for small to medium hermetic systems (up to 30kW)
Packaging & Shipping
Frequently Asked Questions
Q1: What is the difference between C11000 and T2 copper?
A: C11000 (UNS) and T2 (GB) are both electrolytic pure copper grades with ≥99.90% copper content. They are equivalent in performance and widely used in capillary tubes.
Q2: Can you customize the inner diameter (ID) and length?
A: Yes. We produce tubes with IDs from 0.4mm to 3mm and lengths up to 12 meters. Custom coil weights (5–50kg) are also available.
Q3: Are your tubes compatible with R410a refrigerant?
A: Absolutely. Our capillary tubes are cleaned and processed to be compatible with R410a, R134a, R407a, and hydrocarbons.
Q4: What is the delivery time for 500kg orders?
A: Standard delivery is 5–7 working days for orders up to 2 tons. Larger volumes may require 7–10 days.
Q5: How are the tubes packaged for export?
A: We use seaworthy wooden cases with end caps and foam protection. Coils are packed in cartons to prevent deformation during shipping.
Q6: Do you provide samples?
A: Yes, free samples are available for qualified buyers. Contact us with your specifications.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Trading Company
Year Established:
2010
Total Annual:
500000-600000
Employee Number:
100~450
Ecer Certification：
Verified Supplier
SLAST STEEL CO., LTD. is a professional copper material supplier integrating manufacturing and international trade. We specialize in the production, processing, and export of high-quality copper and copper alloy products for customers worldwide.
With rich industry experience and a strong supply chai... SLAST STEEL CO., LTD. is a professional copper material supplier integrating manufacturing and international trade. We specialize in the production, processing, and export of high-quality copper and copper alloy products for customers worldwide.
With rich industry experience and a strong supply chai...
