Skip to the beginning of the images gallery

Brass Inline Hydraulic Check Valve, Female 3/8-18 NPT Ports, PSI Cracking Pressure, Up to 10.00 GPM & 2000.00 PSI

Description & Features

The DELTROL Fluid Products EDC25B Brass Inline Hydraulic Check Valve is engineered for free flow in one direction, ensuring efficient and reliable performance. Equipped with female 3/8-18 NPT ports, this brass check valve features a cracking pressure range from 1 to 2.5 PSI. Its 10 GPM rated flow and maximum operating pressure of 2000 PSI make it suitable for various pneumatic and lower pressure hydraulic systems.

Made from high-quality brass, the valve incorporates stainless steel components for enhanced durability. The high flow rating combined with a low pressure differential needed to open and close ensures optimal functionality. This valve can withstand temperatures up to 200deg;F, offering robust performance in demanding environments.

Designed to maintain a positive check in the reverse direction, this inline check valve is suitable for multiple industrial applications. Available in various material options like carbon steel and stainless steel, the brass inline hydraulic check valve meets rigorous industry standards for reliability and performance.

MPN: EDC25B

Specifications

Cracking Pressure (psi) 1 to 2.5	CV Factor 3.30	E 1	Brand Deltrol Fluid Products	Brand Deltrol Fluid Products	Pack Size 1.00	UOM EA	F 2.50	Materials Brass	Maximum Operating Pressure 2000	Rated Flow 10	Rated Flow 10	Size 3/8	Supplier Part Number EDC25B	Thread 1 3/8-18 NPT	Alternate Part Numbers Alternate Part Number C1CN93, Alternate Part Number MI-00276034, Alternate Part Number MINO-00223F21784	Product Weight 0.49 lbs

Similar Products

Model Number	Size	Thread 1	Materials	Maximum Operating Pressure	Rated Flow	CV Factor	Cracking Pressure (psi)	E	F
EC20S Hydraulic/Pneumatic Check Valve	1/4	1/4-18 NPT	Steel	5000	6	1.4700	1 to 2.5	0.75	2
EDC25B Hydraulic/Pneumatic Check Valve	3/8	3/8-18 NPT	Brass	2000	10	3.3000	1 to 2.5	1	2.5
EDC25S Hydraulic/Pneumatic Check Valve	3/8	3/8-18 NPT	Steel	5000	10	3.3000	1 to 2.5	1	2.5
EDC30B Hydraulic/Pneumatic Check Valve	1/2	1/2-14 NPT	Brass	2000	12	3.6000	1 to 2.5	1.13	2.88
EDC30S Hydraulic/Pneumatic Check Valve	1/2	1/2-14 NPT	Steel	5000	12	3.6000	1 to 2.5	1.13	2.88
EDC35S Hydraulic/Pneumatic Check Valve	3/4	3/4-14 NPT	Steel	5000	20	5.4100	1 to 2.5	1.38	3.25
EC10B Hydraulic/Pneumatic Check Valve	1/8	1/8-27 NPT	Brass	2000	3	0.7500	1 to 2.5	0.63	1.69
EC20B Hydraulic/Pneumatic Check Valve	1/4	1/4-18 NPT	Brass	2000	6	1.4700	1 to 2.5	0.75	2
EC40S Hydraulic/Pneumatic Check Valve	1	1-11-1/2 NPT	Steel	5000	55	9.6000	3 to 5	1.75	4.5
EDC35B Hydraulic/Pneumatic Check Valve	3/4	3/4-14 NPT	Brass	2000	20	5.4100	1 to 2.5	1.38	3.25

Product Questions & Answers (4)

Question by: Phil G on Mar 11, 2026, 6:33 AM

brass body gonna hold up okay for lower pressure hydraulic work, or should i be looking at the steel version instead?

Answer by: Customer Support on Mar 12, 2026, 9:12 AM

Brass bodies on these inline check valves are rated for lower pressure hydraulic systems and pneumatic applications. With a 2000 PSI maximum operating pressure and a flow rating of 10 GPM, this particular valve sits right at the upper end of what brass is suited for in hydraulic service. If your system runs at or near that ceiling regularly, the steel version would be the stronger long-term choice. For lighter-duty hydraulic circuits or pneumatic lines that stay well below 2000 PSI, the brass body handles it fine.

Question by: Curt J on Apr 15, 2025, 7:05 AM

cracking pressure on this one says 1 to 2.5 PSI -- is that low enough to work in a pneumatic line without causing backpressure issues?

Answer by: Customer Support on Apr 16, 2025, 9:05 AM

For pneumatic service, that cracking range is about as easy-opening as you'll find in a valve this size. It takes very little pressure differential to get the ball off its seat, so the valve won't fight your system or create meaningful backpressure under normal flow conditions. The Cv factor is 3.3, which is a solid flow coefficient for a 3/8-inch inline check, and the rated flow tops out at 10 GPM. Brass construction is specifically called out as appropriate for pneumatic systems, so you're in the right territory with this one.

Question by: Shawn B on Nov 28, 2025, 8:00 AM

got a 3/8 npt line already. are the ports on this valve female 3/8-18 npt on both ends?

Answer by: Customer Support on Nov 29, 2025, 8:52 PM

It uses female 3/8-18 NPT ports, so it is set up to accept 3/8-18 NPT male fittings on each side for an inline install.

Question by: Johnny G on Mar 31, 2025, 9:49 PM

What size thread does this check valve have? I want to make sure it's gonna fit my setup.

Answer by: Customer Support on Apr 2, 2025, 1:46 PM

This valve uses 3/8-18 NPT female ports, so you'll need to ensure your connections are compatible with that size and thread type.