
R3100-8 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $30.00 | Condition is New – Open box, CKD R3100-8 Regulator FNOB, FREE SHIPPING | 99.8% |
![]() | $63.57 | Top Pick! Condition is New – Open box, CKD CORP R3100-8N / R31008N (NEW IN BOX), shipping cost = $12.90 | 99.7% |
![]() | $75.00 | Condition is New – Open box, CKD R3100-8 Pneumatic Regulator Valve Rc 1/4 0-1.0 MPa, FREE SHIPPING | 100.0% |
![]() | $90.00 | Condition is New – Open box, CKD R3100-8-W NSNP, FREE SHIPPING | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $84.77 | Top Pick! Condition is Neu, 1 PCS NEW IN BOX CKD R3100-8-W pressure reducing and regulating valve #A6-9, shipping cost = $13.94 | 99.3% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $19.00 | Condition is Used, CKD R3100-8 (AS PICTURED) UNMP, shipping cost = $18.24 | 99.9% |
![]() | $19.00 | Condition is Used, CKD R3100-8 REGULATOR 0-1MPA UNMP, shipping cost = $23.31 | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $61.37 | Condition is New, 1 PCS NEW IN BOX CKD R3100-8-W pressure reducing and regulating valve, shipping cost = $10.99 | 99.3% |
![]() | $70.16 | Condition is New, 1 PCS NEW IN BOX CKD R3100-8-W pressure reducing and regulating valve, shipping cost = $6.91 | 98.6% |

Introducing the CKD R3100-8 Regulator FNOB (Flow-Nut Overflow-Nut), a high-performance hydraulic flow control component designed to deliver precise and consistent flow rates in various industrial applications.
The CKD R3100-8 Regulator FNOB is a compact, yet robust design, engineered to withstand the rigors of heavy-duty industrial environments. It is constructed from premium materials, including a brass body, stainless steel piston, and hardened steel valve components, ensuring durability and long service life.
The regulator features a balanced poppet design, which provides excellent flow characteristics and minimal pressure drop, making it an ideal choice for applications that demand precise flow control. The FNOB design allows for easy installation and removal of the regulator, as well as the ability to change flow rates quickly by simply swapping out different sized flow-nuts and overflow-nuts.
The CKD R3100-8 Regulator FNOB is designed to operate over a wide range of pressures, from 100 to 4000 psi (7 to 2760 bar), making it versatile and suitable for use in a variety of industrial applications, including hydraulic power units, mobile equipment, and manufacturing processes.
The regulator is also equipped with a bleed screw, which facilitates easy purging of air bubbles during installation or maintenance, ensuring proper sealing and optimal performance. In addition, it comes with a built-in pressure relief valve, which protects against overpressure situations and prevents damage to the system.
The CKD R3100-8 Regulator FNOB is a reliable and cost-effective solution for applications that require precise and consistent flow control, and its robust design, easy installation, and wide operating range make it a popular choice among industrial professionals.
The CKD R3100-8 regulator is a popular choice for those in need of a high-performance, pressure regulator for their water supply system. Let's examine some of the pros and cons of purchasing this model to help you make an informed decision.
Pros:1. Accuracy: The CKD R3100-8 regulator is known for its high accuracy, ensuring consistent water pressure throughout your system.
2. Durability: This regulator is made of brass and stainless steel, making it highly durable and resistant to corrosion.
3. Adjustability: The regulator offers a wide range of adjustability, allowing you to set the pressure to your specific needs.
4. Diaphragm Design: The diaphragm design of the regulator helps to prevent water hammer and noise in your water system.
5. Easily Serviceable: The regulator is easily serviceable, with replaceable parts that can be easily accessed.
Cons:1. Price: Compared to some other regulators on the market, the CKD R3100-8 regulator can be more expensive.
2. Complex Installation: The installation process for this regulator can be more complex than some other models due to its adjustability and diaphragm design.
3. Size: The regulator is larger than some other models on the market, which may require more space for installation.
In conclusion, the CKD R3100-8 regulator offers high accuracy, durability, and adjustability, making it a great choice for those in need of a high-performance water pressure regulator. However, its higher price tag and complex installation process may be a drawback for some. If you can accommodate the initial investment and the installation complexity, this regulator's benefits are likely to outweigh its drawbacks.
Therefore, I would recommend the CKD R3100-8 regulator for those who prioritize high performance, durability, and accuracy in their water pressure regulator, and have the necessary budget and installation expertise.
Details:
A new, unused item with no signs of wear. 2-year MRI shield protection plan included. The product must be the original item shipped, with matching serial numbers if applicable. The item has its original packaging but it is not sealed.
Manufacturer part number: R3100-8. Most items are in stock when they listed. Ckd R3100-8 regulator manufactured by. Ckd R3100-8 regulator pressure regulator, 0-1 .
Special instructions.
specifications indusswitch:
- brand: Ckd
- mpn: R3100-8
- part type: Regulator
payments indusswitch:
- credit card: discover
- wallet: paypal
- other
offer indusswitch:
- best offers: true
- started: october 24, 2025
- sold #: 13
- in stock #: 5
- availability: in stock
- options: ship-to-home
- prices: $19.00–$90.00
- item condition:
- New – Open box
- Neu
- Used
- New
shipping indusswitch:
- carrier: ups
- class: standard, one-day
- service: ups ground, ups next day air
- type: calculated
- transit: 4-6 days
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Pressure Switches
returns indusswitch:
- paid by: buyer
- policy: returns accepted
- time: 30 days
- method: money back
seller indusswitch:
- # reviews: 16082
- rating: 99.1%
- city: mount sterling, kentucky
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