FUJIKIN 038819 Diaphragm Valve 316L-P

( Brand: Fujikin ), ( Manufacturer Part Number: 038819 ), ( Part Type: Valve )

Review FUJIKIN Diaphragm Valve Used Lot Of

The **Fujikin 038819 Diaphragm Valve (316L-P)** is a high-performance, stainless steel diaphragm valve engineered for precision control and reliable operation in demanding fluid handling applications. Constructed from **AISI 316L stainless steel**, this valve is designed to deliver exceptional corrosion resistance, making it ideal for use in chemical processing, pharmaceutical manufacturing, food and beverage production, and other industries where hygiene and material integrity are paramount. The **316L-P grade** ensures superior resistance to pitting, crevice corrosion, and stress corrosion cracking, even in aggressive environments containing chlorides, acids, or high-temperature fluids. The valve s **diaphragm actuator mechanism** provides smooth, leak-tight sealing and precise flow modulation, minimizing dead legs and reducing the risk of contamination or product buildup a critical advantage in applications requiring strict sanitary standards.

This diaphragm valve features a **dual-seal design**, incorporating a primary PTFE or EPDM diaphragm paired with a secondary backup seal to enhance durability and prevent leaks under high-pressure conditions. The **316L stainless steel body and wetted parts** ensure compatibility with a wide range of chemicals, including oxidizing agents, solvents, and sterilizing agents, while the **pneumatic or manual operation** (depending on configuration) allows for effortless control, whether in automated systems or manual adjustments. The valve s **sanitary design** includes smooth, polished surfaces and **tri-clamp (DIN or ANSI) connections**, facilitating easy installation and cleaning in CIP (Clean-In-Place) and SIP (Sterilize-In-Place) systems. Its **low-maintenance construction** and **long service life** make it a cost-effective solution for industries prioritizing efficiency and reliability.

Additionally, the **038819 model** is engineered for **high-temperature applications**, withstanding continuous exposure to fluids up to **150 C (302 F)** and short-term bursts up to **200 C (392 F)**, depending on the diaphragm material. The valve s **self-draining design** prevents fluid entrapment, reducing the risk of bacterial growth or residue accumulation, which is particularly beneficial in pharmaceutical and food-grade applications. Whether used for **flow control, isolation, or metering**, this valve offers a robust, hygienic, and versatile solution for industries demanding both performance and compliance with stringent regulatory standards. Its modular design further allows for easy customization, including the selection of diaphragm materials (such as PTFE, EPDM, or silicone) to match specific chemical compatibility requirements.

### **Pros and Cons of buying a Fujikin 038819 Diaphragm Valve (316L Stainless Steel)**

1. **Material Quality (316L Stainless Steel)** The valve is made from 316L stainless steel, which offers excellent corrosion resistance, making it suitable for aggressive chemicals, seawater, and high-temperature applications. This ensures longevity and reliability in harsh environments.

2. **Durability and Longevity** Fujikin is a well-known manufacturer in the valve industry, known for producing high-quality, long-lasting products. The diaphragm design reduces wear on internal components, extending the valve s operational life compared to traditional gate or globe valves.

3. **Corrosion Resistance** The 316L grade is highly resistant to pitting, crevice corrosion, and stress corrosion cracking, which is critical for applications involving acids, salts, or marine environments.

4. **Leak-Tight Sealing** Diaphragm valves provide excellent shut-off performance, minimizing leakage when fully closed. This is beneficial in applications where tight sealing is required, such as in chemical processing or water treatment.

- Chemical processing

- Water treatment and wastewater management

- Marine and offshore applications

- Food and beverage processing (if properly sanitized)

- Pharmaceutical and biotech industries (where cleanliness is critical)

6. **Easy Maintenance** Diaphragm valves are relatively simple to service. The diaphragm can be replaced without dismantling the entire valve body, reducing downtime and repair costs.

7. **Compatibility with Various Fluids** Works well with liquids, gases, and slurries, making it adaptable to different process requirements.

8. **Standardized Design** The 038819 model likely follows industry standards (e.g., ANSI, DIN), ensuring compatibility with existing piping systems.

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1. **Higher Initial Cost** Compared to basic gate or ball valves, diaphragm valves, especially those made from premium materials like 316L stainless steel, tend to be more expensive upfront.

2. **Pressure Limitations** Diaphragm valves may not be suitable for extremely high-pressure applications (typically limited to moderate pressures, e.g., up to 250 psi or 17 bar, depending on the model). For high-pressure systems, alternative valve types (e.g., ball or butterfly valves) may be more appropriate.

3. **Flow Restriction** Diaphragm valves can cause slight pressure drops due to the design of the diaphragm and seat, which may affect flow efficiency in high-volume systems.

4. **Potential for Diaphragm Failure** Over time, the diaphragm can degrade due to chemical exposure, temperature fluctuations, or mechanical stress. While replaceable, frequent replacements may increase long-term maintenance costs.

5. **Limited Temperature Range** While 316L stainless steel can handle a broad temperature range, extreme temperatures (e.g., cryogenic or very high heat) may still pose challenges, depending on the specific diaphragm material and valve construction.

6. **Not Ideal for High-Speed Applications** Diaphragm valves are generally slower to open/close compared to ball or butterfly valves, which may be a drawback in systems requiring rapid actuation.

7. **Potential for Leakage Over Time** Although designed to be leak-tight, seals can degrade with age or improper maintenance, leading to minor leaks in some cases.

8. **Specialized Installation Requirements** Proper alignment and sealing during installation are critical. Incorrect installation (e.g., improper gasket placement) can lead to leaks or reduced performance.

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The **Fujikin 038819 diaphragm valve (316L stainless steel)** is an excellent choice for applications requiring **corrosion resistance, tight sealing, and durability** in moderate-pressure environments. Its suitability depends heavily on the specific operational conditions, such as the type of fluid, temperature, pressure, and maintenance capabilities.

If your application involves **aggressive chemicals, seawater, or high-corrosion environments**, this valve is a strong candidate due to its material properties. However, if your system requires **extremely high pressures, rapid flow control, or cryogenic temperatures**, alternative valve types may be more appropriate.

- You need a **corrosion-resistant valve** for chemical, marine, or water treatment applications.

- Your system operates within the **pressure and temperature limits** of the valve.

- You prioritize **long-term durability and easy maintenance** over initial cost.

- Tight sealing is critical for your process.

- Your application involves **very high pressures** (e.g., beyond 250 psi/17 bar).

- You require **ultra-fast flow control** (ball or butterfly valves may be better).

- The environment includes **extreme temperatures** (e.g., cryogenic or very high heat) that may exceed the valve s rated limits.

- Budget constraints make the higher upfront cost prohibitive.

For most **moderate-pressure, corrosion-prone environments**, the Fujikin 038819 is a reliable and high-performance choice. Always verify the valve s specifications against your exact application requirements before purchasing.

Details:

Fujikin, 038819, Diaphragm Valve, 316L-P, Used, Lot of 2.

part #: 038819 prices

• $30.00-$325.00

specifications valvesplumbing:

• brand: Fujikin
• mpn: 038819
• part type: Valve

returns valvesplumbing:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer
• method: Money back

shipping valvesplumbing:

• class: Expedited
• service: USPS Priority Mail Small Flat Rate Box
• carrier: USPS
• cost: $10.59
• transit: 4-10 Days
• type: Fixed

payments valvesplumbing:

• cash
• credit card: Visa
• wallet: Paypal
• other

seller valvesplumbing:

• city: Billings, Montana
• # reviews: 3544
• rating: 99.9%

general valvesplumbing:

• condition: Used
• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds

offer valvesplumbing:

• options: Ship-to-home
• quantity: 7
• best offers: True
• started: May 1, 2026
• sold: 0
• availability: In Stock

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