SWAGELOK KPR1CFE412C20000 Regulator Diaphragm Steel Npt 1/4

( Brand: Swagelok ), ( Manufacturer Part Number: KPR1CFE412C20000 ), ( Part Type: Regulator ), ( Maximum Pressure: 100 Psi )

Review SWAGELOK Regulator Diaphragm Stainless Steel 100 Psig 1/4 Inch Npt

The **Swagelok KPR1CFE412C20000** is a high-performance, precision-engineered gas regulator designed for demanding industrial, laboratory, and process applications where reliability, accuracy, and durability are paramount. This model belongs to Swagelok s **KPR Series**, renowned for its robust construction and consistent performance in controlling gas flow with exceptional precision. Built with a **steel diaphragm** a material chosen for its superior resistance to corrosion, temperature fluctuations, and chemical exposure this regulator ensures long-term stability and safety even in harsh environments. The **1/4-inch NPT (National Pipe Thread) female outlet** provides a secure, leak-tight connection, making it ideal for integrating into piping systems where space is limited but performance cannot be compromised. The **C20000 series designation** indicates a pressure range of up to **20,000 psi (1380 bar)**, catering to high-pressure applications such as compressed air systems, specialty gas delivery, or high-pressure testing scenarios. Its **compact yet sturdy design** features a **brass body** for added strength and corrosion resistance, while the **stainless steel internal components** including the diaphragm, stem, and seat minimize wear and ensure consistent flow regulation over extended periods. The regulator s **adjustable pressure control knob** allows for fine-tuning output pressure with ease, making it versatile for applications requiring precise metering, such as in research laboratories, semiconductor manufacturing, or industrial gas distribution. Additionally, the **fail-safe design** ensures that in the event of diaphragm failure, the regulator will close automatically, preventing uncontrolled gas release and enhancing operator safety. Whether deployed in a controlled lab setting or a rugged field environment, the **Swagelok KPR1CFE412C20000** delivers unmatched reliability, precision, and longevity, making it a trusted choice for professionals who demand nothing less than excellence in gas regulation.

### **Pros and Cons of buying a Swagelok KPR1CFE412C20000 Regulator (Diaphragm, Steel, 1/4" NPT)**

1. **High Quality and Reliability** Swagelok is a well-established brand known for precision-engineered, durable industrial components. This regulator is designed for long-term use in demanding applications, including gas cylinders, lab setups, and industrial processes.

2. **Material Strength** The steel construction provides superior resistance to corrosion, pressure fluctuations, and mechanical stress compared to aluminum or plastic alternatives. This makes it suitable for harsh environments, including outdoor or corrosive gas applications.

3. **Diaphragm Design** The diaphragm-type regulator offers precise pressure control and is ideal for low-flow applications where a needle valve might be too sensitive or prone to clogging. It is also less likely to leak over time compared to piston-style regulators.

4. **Compatibility** The 1/4" NPT (National Pipe Thread) connection ensures compatibility with a wide range of gas cylinders, fittings, and tubing commonly used in laboratories, manufacturing, and field applications.

5. **Adjustable Pressure Range** The model s specifications (assuming standard settings) allow for fine-tuning of outlet pressure, making it versatile for different gas delivery needs (e.g., lab gases, welding, or pneumatic systems).

6. **Back Pressure Protection** Many Swagelok diaphragm regulators include built-in back-pressure protection, preventing damage from reverse flow or sudden pressure surges.

7. **Easy Maintenance** Diaphragm regulators are generally easier to service than piston-type regulators. The diaphragm can be replaced if it fails, extending the regulator s lifespan.

8. **Industry Standard** Swagelok is a trusted name in industrial gas handling, ensuring compatibility with other Swagelok components and systems, which can simplify maintenance and upgrades.

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1. **Higher Upfront Cost** Compared to generic or lower-end regulators, Swagelok products are more expensive. This may be a barrier for small businesses or hobbyists on a tight budget.

2. **Specialized Knowledge Required** While user-friendly, Swagelok regulators benefit from proper installation and maintenance. Improper handling (e.g., overtightening fittings or incorrect gas compatibility) can lead to leaks or failure. Training may be required for inexperienced users.

3. **Limited Availability of Parts** While Swagelok has a wide distribution network, some replacement parts (e.g., diaphragms, seals) may require ordering from authorized distributors, which could introduce delays.

4. **Overkill for Low-Pressure Applications** If the application involves very low or extremely high pressures beyond the regulator s rated range, a specialized regulator might be more appropriate. Always verify the regulator s pressure ratings (e.g., inlet/outlet PSI) for your specific use.

5. **Weight and Bulk** The steel body makes the regulator heavier and bulkier than plastic or aluminum alternatives, which may be a consideration in portable or space-constrained setups.

6. **Potential for Leaks Over Time** Even high-quality regulators can develop leaks at fittings or seals with prolonged use, especially if not maintained regularly. Regular inspections are recommended.

7. **Compatibility with Non-Swagelok Systems** While NPT threads are standard, mixing Swagelok fittings with non-Swagelok components (e.g., generic tubing or valves) may require adapters, adding complexity.

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The **Swagelok KPR1CFE412C20000** is an excellent choice for applications requiring **durability, precision, and reliability** in gas pressure regulation. Its steel construction, diaphragm design, and compatibility with industrial standards make it ideal for **laboratories, manufacturing, welding, or fieldwork** where safety and performance are critical. However, the higher cost and need for proper installation/maintenance may not justify its purchase for **casual or low-budget users**.

If your application involves **corrosive gases, high-pressure environments, or frequent adjustments**, this regulator is a strong investment. For **low-pressure, non-critical, or cost-sensitive applications**, a lower-cost alternative (e.g., a generic diaphragm regulator) might suffice.

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- You need a **long-term, high-performance regulator** for industrial or laboratory use.

- Your application involves **corrosive gases, high pressures, or demanding conditions**.

- You are already using **Swagelok fittings/tubing** and want seamless integration.

- Budget constraints are not a major concern, and you prioritize **reliability and ease of maintenance**.

- You are working with **low-pressure or non-critical applications** where cost is a priority.

- You lack experience with **high-quality regulators** and need simpler, more forgiving options.

- Your setup is **portable or space-limited**, and weight/bulk are concerns.

For most **serious industrial or lab users**, this regulator is a **solid, long-lasting investment**. For casual or budget-limited users, evaluate whether the premium features align with your needs. Always verify the regulator s specifications (e.g., pressure ratings, gas compatibility) against your specific application before purchasing.

Details:

X USED, but in good working condition. 2lbs 6.2oz ck 3/31/2026 qty 4. Some exceptions may apply. NEW, old inventory.

Swagelok Regulator Diaphragm Stainless Steel KPR1CFE412C20000. Need to combine orders from different listings. If you feel like the combined shipping price is not accurate. Removed from closed plant.

part #: kpr1cfe412c20000 price

• $160.75

specifications valvesplumbing:

• brand: Swagelok
• mpn: Kpr1cfe412c20000
• part type: Regulator
• maximum pressure: 100 Psi

shipping valvesplumbing:

• transit: 3-8 Days
• type: Calculated
• carrier: FedEx
• class: Standard
• service: FedEx Ground / FedEx Home Delivery
• cost: $20.46

general valvesplumbing:

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

returns valvesplumbing:

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

seller valvesplumbing:

• rating: 99.9%
• city: Clover, South Carolina
• # reviews: 104882

offer valvesplumbing:

• started: March 31, 2026
• quantity: 4
• sold: 0
• availability: In Stock
• options: Ship-to-home

payments valvesplumbing:

• other
• credit card: Discover
• wallet: Apple-pay

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