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NN3/4-1 by Anchor Fluid Power | In-Line Hydraulic Needle Valve | 3/4" Female NPTF Ends | 21 GPM | 5,700 PSI | Zinc Plated Steel
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Inline Valves
Carbon Steel Needle Valves
In-line needle valves for fine flow adjustment in both directions, with a graduated knob and lockable set screw. Zinc chromate plated carbon steel, female NPTF or SAE straight thread ports.
1
What are the key specifications?
Body
Carbon steel, zinc chromate plated
Max Pressure
5,700 PSI / 4,000 PSI
Max Flow
4 to 80 GPM by size
Temperature
-4°F to +176°F
Stem Packing
Buna O-Ring/PTFE
Ports
Female NPTF or SAE straight thread
2
What are the main product features?
- NPTF & SAE Connections.
- Carbon Steel with Zinc Chromate Plating (RoHS Compliant).
- Set Screw Allows Knob to be Locked into Position.
- Graduated Knob & Spindle for Accurate Flow Control.
- For hydraulic use only. Consult factory for fluid compatibility.
3
Which sizes are available?
| Part # | Size | Thread | Max Flow (GPM) | Max PSI | B (in) | D (in) | E (in) | F (in) |
|---|---|---|---|---|---|---|---|---|
| Female NPTF ports | ||||||||
| NN1/4-1 | 1/4" | 1/4 NPTF | 4 | 5,700 | 2.12 | 1.18 | 2.67 | 0.98 |
| NN3/8-1 | 3/8" | 3/8 NPTF | 8 | 5,700 | 2.12 | 1.18 | 2.67 | 0.98 |
| NN1/2-1 | 1/2" | 1/2 NPTF | 13 | 5,700 | 2.51 | 1.29 | 2.85 | 1.18 |
| NN3/4-1 | 3/4" | 3/4 NPTF | 21 | 5,700 | 3.19 | 1.65 | 3.70 | 1.57 |
| NN1-1 | 1" | 1 NPTF | 40 | 5,700 | 4.00 | 1.65 | 3.93 | 1.77 |
| NN1-1/4-1 | 1-1/4" | 1-1/4 NPTF | 50 | 4,000 | 4.02 | 2.08 | 4.78 | 2.16 |
| NN1-1/2-1 | 1-1/2" | 1-1/2 NPTF | 80 | 4,000 | 4.02 | 2.08 | 5.17 | 2.55 |
| Female SAE straight thread (O-ring boss) ports | ||||||||
| NS#4-1 | -4 (1/4") | -4 SAE | 4 | 5,700 | 2.12 | 1.18 | 2.67 | 0.98 |
| NS#6-1 | -6 (3/8") | -6 SAE | 8 | 5,700 | 2.12 | 1.18 | 2.67 | 0.98 |
| NS#8-1 | -8 (1/2") | -8 SAE | 13 | 5,700 | 2.51 | 1.29 | 2.85 | 1.18 |
| NS#12-1 | -12 (3/4") | -12 SAE | 21 | 5,700 | 3.19 | 1.65 | 3.70 | 1.57 |
| NS#16-1 | -16 (1") | -16 SAE | 40 | 5,700 | 4.00 | 1.65 | 3.93 | 1.77 |
| NS#20-1 | -20 (1-1/4") | -20 SAE | 50 | 4,000 | 4.02 | 2.08 | 4.78 | 2.16 |
| NS#24-1 | -24 (1-1/2") | -24 SAE | 80 | 4,000 | 4.02 | 2.08 | 5.17 | 2.55 |
Dimensions in inches; letters as on the drawing.
4
How do I read the part number?
Example: NS#4-1.
| Code | Meaning |
|---|---|
| N | Needle Valve |
| N / S# | Female NPTF / female SAE straight thread (dash size) |
| -1 | Standard |
For hydraulic use only; consult Anchor Fluid Power for fluid compatibility. Dimensions are subject to change without notice.
How is this product sold?
Each.
Additional Product Data:
MAWP:
5700
Shape:
Straight
Ends Configuration:
Material(s):
Seal Material(s):
