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

Description & Features

The DELTROL Fluid Products Brass Inline Easy Read Needle Valve is engineered for precise flow control in both directions and is ideal for pneumatic systems and lower pressure hydraulic systems. With a maximum operating pressure of 2000 PSI and a rated flow of up to 28 GPM this brass valve provides reliable performance in demanding environments.

Featuring 1/2-14 NPT female ports the valve allows for accurate adjustments and secure settings under pressure. The color coding and numerical readout ensure positive and repeatable settings while the metal knob and stem contribute to its durability.

Designed with a brass body stainless steel needle and Viton O-ring this valve operates effectively within a temperature range of -15F to 400F. The Teflon washer seal adds to its reliability. Suitable for non-shock service this valve is available in various materials including carbon steel and stainless steel options for more specialized applications.

Supplier Part Number: EN30B

Specifications

Brand Deltrol Fluid Products	a Dimensions 1.97 in	Actuator Type Knob	b Dimensions 1.13 in	Back-Up Washer PTFE	Body Material Brass	Color Brass	Color Ring Anodized Aluminum	Configuration In-Line	Connection Type NPTF	d Dimensions 3.56 in	Dimensions 2-1/2 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 1/2 in	Number of Handles 1	Number of Ports/Ways 2	Packing Material PTFE	Seal Material FKM	Seat Material FKM/PTFE	Series EN Series	Set Screw Steel	Softgoods Material FKM/PTFE	Stem Material Brass	Thread 1 1/2-14 NPT	Thread Type NPTF, BSPT, BSPP

Similar Products

Model Number	Size	Thread 1	Materials	Maximum Operating Pressure	Rated Flow	CV Factor	a Dimensions	b Dimensions	d Dimensions
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
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
EN25B Hydraulic/Pneumatic Needle Valve	3/8	3/8-18 NPT	Brass	2000	18	0.9200	1.63 in	1 in	3-1/4 in
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
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
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
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
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
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 (1)

Question by: Dean J on Dec 1, 2025, 4:27 PM

flow adjustment on this valve, can you actually make changes while the system is still under pressure, or do you have to shut things down first?

Answer by: Customer Support on Dec 3, 2025, 11:21 AM

You can make flow adjustments while the system is under pressure. That's one of the practical advantages of this valve. The needle and stem design allows for real-time tuning without needing to depressurize the line first, which saves a lot of time when you're trying to dial things in during operation. Just keep in mind the pressure rating tops out at 2000 PSI, and it's rated for non-shock service only.

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

Description & Features

Specifications

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Product Questions & Answers (1)