Brass Inline Easy Read Needle Valve, Female 3/8-18 NPT Ports, Up to 18.00 GPM & 2000.00 PSI

Description & Features

This brass inline easy read needle valve, designed by Deltrol Fluid Products, is equipped with female 3/8-18 NPT ports and supports up to 18.00 GPM and 2000.00 PSI. Crafted from durable brass material, it provides controlled flow in both directions, making it suitable for lower-pressure hydraulic and pneumatic systems. The precise color coding and numerical readout ensure repeatable and accurate settings.

The valve features a metal knob and stem, offering durability for long-term use. It can be finely adjusted with minimal turns, and settings can be securely locked using a set screw. The body is made from high-quality brass, with a stainless steel needle for reliability, and standard Vitonreg; O-rings along with Teflonreg; washer seals.

The operational temperature range is -15deg;F to 400deg;F, ensuring versatility in various environments. This needle valve is ideal for applications requiring precise flow adjustment under pressure.

Supplier Part Number: EN25B

Specifications

Brand
Deltrol Fluid Products
a Dimensions
1.63 in
Actuator Type
Knob
b Dimensions
1 in
Body Material
Brass
Color Ring
Anodized Aluminum
Configuration
In-Line
Connection Type
FNPT
d Dimensions
3-1/4 in
Dimensions
57/64 in Dia x 2-1/16 in L
Disc Material
Brass
Finish
Anodized
grp Materials
Body: Available in Brass, Carbon Steel or Stainless Steel (1 in Size Available in Naval Bronze Or Ductile Iron), Needle: Brass on Brass Valves, Stainless Steel on Steel and Stainless Steel Valves. O-ring: FKM is Standard (Other Materials Available), Washe
Handle Material
Aluminum
Nominal Size
3/8 in
Number of Handles
1
Packing Material
PTFE
Seal Material
FKM
Series
EN Series
Set Screw
Steel
Softgoods Material
FKM/PTFE
Stem Material
Brass
Thread 1
3/8-18 NPT
Trim Material
Brass

Similar Products

Model Number Size Thread 1 Materials Maximum Operating Pressure Rated Flow CV Factor a Dimensions b Dimensions d Dimensions Price Action
Brass Inline Easy Read Needle Valve, Female 1/4-18 NPT Ports, Up to 10.00 GPM & 2000.00 PSI

EN20B Hydraulic/Pneumatic Needle Valve

1/4

1/4-18 NPT

Brass

2000

10

0.5100

1.41 in

3/4 in

2.56 in

Steel Inline Easy Read Needle Valve, Female 1/4-18 NPT Ports, Up to 10.00 GPM & 5000.00 PSI

EN20S Hydraulic/Pneumatic Needle Valve

1/4

1/4-18 NPT

Steel

5000

10

0.5100

1.41 in

3/4 in

2.56 in

Steel Inline Easy Read Needle Valve, Female 3/8-18 NPT Ports, Up to 18.00 GPM & 5000.00 PSI

EN25S Hydraulic/Pneumatic Needle Valve

3/8

3/8-18 NPT

Steel

5000

18

0.9200

1.63 in

1 in

3-1/4 in

Brass Inline Easy Read Needle Valve, Female 1/8-27 NPT Ports, Up to 4.50 GPM & 2000.00 PSI

EN10B Hydraulic/Pneumatic Needle Valve

1/8

1/8-27 NPT

Brass

2000

4.5

0.2500

1.28 in

0.63 in

1.44 in

Steel Inline Easy Read Needle Valve, Female 1/8-27 NPT Ports, Up to 4.50 GPM & 5000.00 PSI

EN10S Hydraulic/Pneumatic Needle Valve

1/8

1/8-27 NPT

Steel

5000

4.5

0.2500

1.28 in

0.63 in

1.44 in

Brass Inline Easy Read Needle Valve, Female 1/2-14 NPT Ports, Up to 28.00 GPM & 2000.00 PSI

EN30B Hydraulic/Pneumatic Needle Valve

1/2

1/2-14 NPT

Brass

2000

28

1.2000

1.97 in

1.13 in

3.56 in

Steel Inline Easy Read Needle Valve, Female 1/2-14 NPT Ports, Up to 28.00 GPM & 5000.00 PSI

EN30S Hydraulic/Pneumatic Needle Valve

1/2

1/2-14 NPT

Steel

5000

28

1.2000

1.97 in

1.13 in

3.56 in

Brass Inline Easy Read Needle Valve, Female 3/4-14 NPT Ports, Up to 40.00 GPM & 2000.00 PSI

EN35B Hydraulic/Pneumatic Needle Valve

3/4

3/4-14 NPT

Brass

2000

40

1.8400

2.19 in

1.38 in

4.13 in

Steel Inline Easy Read Needle Valve, Female 3/4-14 NPT Ports, Up to 40.00 GPM & 5000.00 PSI

EN35S Hydraulic/Pneumatic Needle Valve

3/4

3/4-14 NPT

Steel

5000

40

1.8400

2.19 in

1.38 in

4.13 in

Product Questions & Answers (2)

Question by: Rusty P on May 1, 2025, 2:17 PM
setting gets bumped sometimes on our lines and we lose the flow adjustment we had dialed in, does this valve have any way to hold its position?
Answer by: Customer Support on May 2, 2025, 9:18 PM
Yeah, there's a set screw built in specifically for that. Once you get the flow where you want it, you lock it down and it stays put even with vibration or accidental contact. The knob itself is metal, so it holds up better than plastic alternatives under regular shop conditions.
Question by: Ray F on Aug 9, 2025, 8:49 PM
Will this needle valve work okay with a pneumatic system?
Answer by: Customer Support on Aug 11, 2025, 8:42 PM
These brass valves are indeed suitable for pneumatic systems, as well as lower pressure hydraulic systems. It's designed to provide controlled flow in both directions, so you can adjust the flow under pressure and lock the setting with the set screw.

Tell us what you need and we'll get back to you.

Fields marked * are required.