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SystemStak Check Valve, NFPA-D03 Size, Check in P, Free Flow towards Work Port, 36.0 PSI Cracking Pressure

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Description & Features

Designed for efficient hydraulic systems, the Eaton Vickers SystemStak Check Valve provides reliable performance in NFPA-D03 applications. This check valve features a cracking pressure of 36.0 PSI, ensuring optimal flow control. Constructed from durable ductile iron and hardened steel, it withstands a maximum operating pressure of 4500 PSI, making it suitable for demanding environments. The valve's space-saving design simplifies installation and reduces potential leak points, while its rugged construction accommodates high pressure and flow rates.

Engineered with a focus on functionality, the valve allows free flow towards the work port and prevents reverse flow, enhancing system efficiency. It operates effectively within a fluid temperature range of -4°F to 176°F for petroleum oils, ensuring versatility across various industrial applications. Standard Viton® seals and aluminum nameplates provide additional durability and longevity, making this valve a robust choice for hydraulic applications.

SKU: 02-138605

Supplier Part Number (MPN): 02-138605

Alternate Part Numbers: C1JL49, DGMDC3YPM41

Specifications

Cracking Pressure (psi)
36.00
Brand
Danfoss (Power Solutions II LLC)
Brand
Danfoss Power Solutions
Pack Size
1.00
UOM
EA
Function
Check in P, Free Flow towards Work Port
Key
A
Supplier Part Number
02-138605
Alternate Part Numbers
Alternate Part Number C1JL49, Alternate Part Number DGMDC3YPM41, Alternate Part Number MINO-00900H14251
Product Weight
2.08 lbs

Related Documents

Product Questions & Answers (3)

Question by: Randy O on Dec 20, 2025, 11:42 AM
Got a DGMDC-3-Y-PM-41 going on a manifold block. what kind of bolts do we need and how tight should they be?
Answer by: Customer Support on Dec 22, 2025, 6:51 AM
Fasten these units using 10-24 grade 8 socket head cap screws. You will want to lubricate the threads and torque them down to somewhere between 63 and 80 inch pounds for proper seating.
Question by: Frank W on May 9, 2025, 8:51 AM
Trying to swap out a stack valve, is this one the D03 SystemStak check in P with free flow toward the work port, and is it the 41 design?
Answer by: Customer Support on May 11, 2025, 7:23 AM
For replacement matching, the identifiers on this valve are DGMDC-3-Y-PM-41 (41 design) and catalog number C1JL49. Function-wise it is a check in P with free flow toward the work port, and it is an NFPA-D03 size SystemStak style valve.
Question by: Rusty C on Mar 4, 2026, 2:16 PM
i’m trying to stop oil from sneakin back the wrong way. which direction does this D03 SystemStak check valve let flow go?
Answer by: Customer Support on Mar 6, 2026, 8:55 AM
Function-wise, it allows free flow toward the work port when the check is in the P line, and it blocks flow in the opposite direction.