Needle Valve with PT Female Threads
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Dimensional Drawing
| Component List | ||||
| No. | Qty. | Part Name | Material | Surface Treatment |
| 01 | 1 | Main Body | EN CW617N Equiv. | Chrome Plating |
| 02 | 1 | Spindle (for lock type, long) | EN CW614N Equiv. | Chrome Plating |
| 03 | 2 | Back-Up Ring | EN CW505L Equiv. | ― |
| 04 | 1 | O-Ring | NBR-70-1 | ― |
| 05 | 1 | Grand nut (for lock type) | EN CW614N Equiv. | Chrome Plating |
| 07 | 1 | Handle lock nut | EN CW614N Equiv. | Chrome Plating |
| 08 | 1 | Lock type handle | EN CW614N Equiv. | Chrome Plating |
| 09 | 1 | Label | EN AW-1050 Equiv. | ― |
| 10 | 1 | Toothed Washer | EN 1.4301 Equiv. | ― |
| 11 | 1 | Nut | EN 1.4301 Equiv. | ― |
Specification Table
| Part Number |
| NBCC22 |
| Part Number | Rc (PT) | L | H | H1 | d (⌀) Orifice Diameter | |
| Type | No. | |||||
| NBCC | 11 | 1/8 | 32 | 46 | 5 | 4 |
| 22 | 1/4 | 36 | 48 | 7 | 5 | |
| 33 | 3/8 | 40 | 5 | |||
[ ! ]It is not designed for use in a negative-pressure environment.
Technical Information
The values in the graph are based on the experimental devices and should be used as a reference.
Fluid | Differential Pressure Conditions | ||||
| When P2＞ P1 2 | When P2≤ P1 2 | ||||
| Liquid | General |  |  | Same as the left | |
| High Viscosity (20 cs or more) |  |  | Same as the left | ||
| Gas | Ambient Temperature |  |  |  |  |
| High Temperature |  |  |  |  | |
| Steam | Saturation |  |  |  |  |
| Overheating |  |  |  |  | |
| Moisture |  |  |  |  | |
| QL（m3/h） | : Liquid Flow Rate |
| Qg（m3/h） | : Gas Flow Rate: Normal Condition (15°C 760 mmHg) |
| Qs（kg/h） | : Steam Flow Rate |
| P1（Mpa abs） | : Primary Absolute Pressure |
| P2（MPA abs） | : Secondary Absolute Pressure |
| K | : Viscosity Correction Factor |
| t（℃） | : Fluid Temperature |
| GL | : Specific Gravity of Liquid (Water = 1) |
| Gg | : Specific Gravity of Gas (Air = 1) |
| S（℃） | : Steam Superheat |
| X | : Steam Dryness (Dry Saturated Steam X = 1) |
| If the flow rate calculation conditions are as follows. |
| Valve Size: N□□□22 (1/4) |
| Degree of Opening: 3 turns |
| ΔP = P1 - P2: 0.294 MPa (3 kgf/cm2) (1) |
| Fluid: Water (GL=1)··· (2) |
| The Cv value at 3 turns can be read as = 0.33 from the Cv value curve. ··· (3) |
| Since the fluid is water, the general formula for liquids is used. |
| Transforming this formula into QL = will be the following formula (4). |
Substitute the conditions (1), (2), and (3) into formula (4) and calculate.
Values may vary significantly depending on actual environmental conditions, etc.
Part Number:
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Part Number
|
|---|
| NBCC11 |
| NBCC22 |
| NBCC33 |
| Part Number |
Standard Unit Price
| Minimum order quantity | Volume Discount | Supply Side, Plumbing Thread Nominal | Control Side, Plumbing Thread Nominal | Length (mm) | Height (mm) | No. | |
|---|---|---|---|---|---|---|---|---|---|
23.18 € | 1 | Available | 5 Days | 1/8 | 1/8 | 32 | 46 | 11 | |
23.93 € | 1 | Available | 5 Days | 1/4 | 1/4 | 36 | 48 | 22 | |
24.56 € 12.03 € | 1 | Available |
Same day
Stock | 3/8 | 3/8 | 40 | 48 | 33 |
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Specifications/Overview
| Part No. | Part Name | Material | Qty. | Processing |
| (1) | Handle | EN CW614N Equiv. | 1 | Chrome Plating |
| (2) | Gland Nut | EN CW614N Equiv. | 1 | Chrome Plating |
| (3) | Ring | EN CW505L Equiv. | 2 | — |
| (4) | O-Ring | NBR | 1 | — |
| (5) | Spindle | EN CW614N Equiv. | 1 | Chrome Plating |
| (6) | Body | EN CW617N Equiv. | 1 | Chrome Plating |
| (7) | Lock Nut | EN CW614N Equiv. | 1 | Chrome Plating |
| Applicable Fluids | Water, Air, Oil |
| Operating Temp. Range | −10 to 80°C (No Freezing) |
| Max. Operating Pressure | 0.98 MPa |
·The flow rate of water, oil and air can be finely adjusted.
·The body and the needle are chrome plated to improve air tightness, damage-proofing and smooth operation.
·The spindle is provided with a lock nut to prevent loosening due to vibration.
Basic information
| Main Body Shape | Straight Type | Body Material | Brass | Applicable Fluid | Water / Air / Oil |
|---|---|---|---|---|---|
| Supply Side, Connection Type | RC (PT) | Control Side, Connection Type | RC (PT) | Handle Shape | Knurled Handle |
| Ball Seat Material | Not Provided | Operating Temperature Range(°C) | -10::80 | Handle Dia.(mm) | 30 |
| Operation Method | Manual Type |
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Basic Attributes
-
Supply Side, Plumbing Thread Nominal
-
Control Side, Plumbing Thread Nominal
-
No.
- 11
- 22
- 33
-
Type
- NBCC
-
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Optional Attributes
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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