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Help CenterDrier Filter Strainer 150 Mesh 316L 1/2" NPT 400 PSI for Ammonia Refrigeration
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, has been a trusted manufacturer of industrial filtration components for over two decades. Our Drier Filter Strainer, designed specifically for ammonia refrigeration systems, combines high-grade 316L stainless steel construction with a precise 150 mesh screen to deliver reliable particle removal and system protection. With an annual export value exceeding US$5 million, we serve markets across North America, South America, Europe, and Asia, ensuring every product meets rigorous quality standards.
This 1/2" NPT filter strainer is rated for 400 PSI, making it suitable for high-pressure ammonia loops in industrial refrigeration, cold storage, and food processing facilities. The 316L stainless steel body offers excellent corrosion resistance against ammonia and moisture, while the 150 mesh (approximately 100 micron) element captures particulates without restricting flow. Each unit is manufactured with precision threading and a robust design to withstand thermal cycling and vibration.
Key Features & Technical Specifications
- Material: 316L stainless steel body and screen – superior resistance to ammonia, brine, and other refrigerants.
- Mesh: 150 mesh (0.105 mm opening) – effectively filters scale, debris, and weld slag.
- Connection: 1/2" NPT male/female – standard for most refrigeration piping.
- Pressure Rating: 400 PSI (27.6 bar) – suitable for high-pressure ammonia systems.
- Temperature Range: -40°F to +250°F (-40°C to +121°C) – tested for extreme conditions.
- Flow Direction: Arrow marked on body for correct installation.
- Cleanable Design: Removable screen allows easy cleaning without replacing the entire unit.
| Parameter | Value |
|---|---|
| Body Material | 316L Stainless Steel |
| Screen Material | 316L Stainless Steel Wire Mesh |
| Mesh Count | 150 Mesh |
| Connection Size | 1/2" NPT (Female x Male optional) |
| Maximum Working Pressure | 400 PSI @ 100°F |
| Operating Temperature | -40°F to +250°F |
| Filtration Grade | ~100 Micron |
| Weight | Approx. 0.4 lbs (0.18 kg) |
Benefits for Your Ammonia Refrigeration System
- Extended Equipment Life: Traps contaminants before they reach compressors, valves, and expansion devices, reducing wear and tear.
- Improved System Efficiency: Clean refrigerant and oil circulation minimizes pressure drop and heat transfer losses.
- Low Maintenance: The reusable screen can be cleaned in minutes, reducing downtime and replacement costs.
- Corrosion Resistance: 316L stainless steel withstands the high pH of ammonia and resists pitting, even in humid environments.
- Versatile Installation: Compact design fits in tight spaces; NPT threads compatible with common pipe fittings.
Our manufacturing facility in Hengshui, Hebei, China, operates with advanced wire mesh weaving and stamping equipment. Every filter strainer undergoes pressure testing and mesh integrity inspection before shipment. We offer customization options such as alternative mesh sizes (100, 200, etc.) and connection types (BSP, SAE) upon request.
Frequently Asked Questions
Q1: Can this filter strainer be used with ammonia gas as well as liquid?
A: Yes, the 150 mesh 316L strainer is suitable for both liquid and vapor ammonia lines, provided the pressure and temperature are within the rated limits.
Q2: What is the difference between a drier filter and a strainer?
A: A drier filter typically contains desiccant to remove moisture, while this product is a strainer that removes solid particles. It can be used as a pre-filter before a drier or as a standalone particulate filter.
Q3: How often should I clean the screen?
A: Cleaning frequency depends on system cleanliness. For new installations, inspect monthly. For established systems, cleaning every 6–12 months is typical. The screen can be removed and flushed with solvent or compressed air.
Q4: Is the 1/2" NPT thread male or female?
A: Standard configuration is female NPT at both ends, but male threads or a combination can be provided upon request. Please specify when ordering.
Q5: What is the maximum allowable pressure drop across the strainer?
A: For clean conditions, pressure drop is negligible (less than 0.5 PSI). We recommend replacing or cleaning the element when pressure drop exceeds 2 PSI.
Q6: Do you provide certificates of material or pressure test reports?
A: Yes, we can provide material test certificates (MTC) for 316L and pressure test reports upon request. Please contact our sales team for details.
Q7: Can this strainer be used in CO2 refrigeration systems?
A: While designed for ammonia, the 316L material and 400 PSI rating may also be suitable for subcritical CO2 systems. However, we recommend verifying operating conditions with our technical team.
Q8: What is the lead time for bulk orders?
A: For standard models, lead time is 7–15 days depending on quantity. Custom orders may require 20–30 days. We ship from Tianjin, Qingdao, or Shanghai ports.
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a reliable partner for refrigeration and filtration industries worldwide. With annual exports of US$5–10 million and a presence in over 15 regional markets, we combine experience with competitive pricing. Our commitment to quality is backed by rigorous inspections and a customer-centric approach. Choose our Drier Filter Strainer 150 Mesh 316L 1/2" NPT 400 PSI for dependable protection in your ammonia refrigeration system. Contact us today to discuss your requirements or request a quote.
Note: Specifications are subject to change without notice. Customization options are available. Always consult local codes and standards for installation.
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