Check Valve NCV Type
Brand :
NEW-MACHINE
Caution
Product Description
Since the thread section fits inside the piping, this valve is suitable for space saving in piping.
[Features]
·The check valve main body is a double thread type
·The double threaded type fits inside the piping, saving space.
·The simple poppet structure is resistant to back pressure and leakage.
·Thread shape and seal packing can be selected according to the application.
Drawing
·NCV-NP type
·NCV-MF type
·NCV-FF type
Product Specification
| Main Body Material | Brass/SUS316 |
|---|---|
| Size | 1/8", 1/4", 3/8", 1/2" |
| Maximum operating pressure MPa (kgf/cm2) | 1.96 (20) |
| Pressure resistance MPa (kgf/cm2) | 9.8 (100) |
| Cracking pressure MPa (kgf/cm2) | 0.007 (0.07) |
| Operating fluid | Air, water, oil |
Seal material operating temperature range
| Material | Symbol | Operating temperature range | Note |
|---|---|---|---|
| Nitrile Rubber | N | -20°C to +80°C | Standard product |
| Fluoroelastomer | V | -15°C to +180°C | Standard product |
| Ethylene propylene rubber | E | -15°C to +100°C | Semi-standard product |
| Perfluoro | P | 0°C to +200°C | Semi-standard product |
Specifications Table
| Part number | Dimensions (mm) | Weight (g) | Cv value | |||||
|---|---|---|---|---|---|---|---|---|
| L | A | d | H | TI | SUS | Brass | ||
| NCV-NP1 | 23 | 9 | 3 | Hex 12 | R 1/8 | 11.4 | 12.1 | 0.312 |
| NCV-NP2 | 29 | 12 | 3.5 | Hex 14 | R 1/4 | 23.9 | 25.2 | 0.482 |
| NCV-NP3 | 34 | 14 | 5 | Hex 17 | R 3/8 | 42.5 | 45.4 | 0.733 |
| NCV-NP4 | 40 | 14.5 | 8 | Hex 22 | R 1/2 | 79.4 | 82.8 | 1.532 |
| Part number | Dimensions (mm) | Weight (g) | Cv value | |||||
|---|---|---|---|---|---|---|---|---|
| L | A | d | H | T2 | SUS | Brass | ||
| NCV-FF1 | 35 | 9 | 3.7 | Hex 14 | Rc 1/8 | 34.6 | 37.2 | 0.312 |
| NCV-FF2 | 45 | 12 | 4.2 | Hex 17 | Rc1/4 | 61.1 | 65.6 | 0.482 |
| NCV-FF3 | 55 | 14 | 6.2 | Hex 21 | Rc3/8 | 109.9 | 118.1 | 0.733 |
| NCV-FF4 | 70 | 18.5 | 10.2 | Hex 27 | Rc1/2 | 236 | 250.2 | 1.532 |
| Part number | Dimensions (mm) | Weight (g) | Cv value | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| L | A | B | d | H | T1 | T2 | SUS | Brass | ||
| NCV-MF1 | 32 | 9 | 9 | 3 | Hex 14 | R 1/8 | Rc 1/8 | 27.9 | 29.8 | 0.312 |
| NCV-MF2 | 42 | 12 | 12 | 3.5 | Hex 17 | R 1/4 | Rc1/4 | 53.5 | 57.2 | 0.482 |
| NCV-MF3 | 49 | 14 | 14 | 5 | Hex 21 | R 3/8 | Rc3/8 | 92.3 | 98.8 | 0.733 |
| NCV-MF4 | 60 | 14.5 | 18.5 | 8 | Hex 27 | R 1/2 | Rc1/2 | 188.9 | 200.9 | 1.532 |
Usage Example
Flow the fluid in the direction of the arrow.
