Home » Machineries » Spare Parts » Excavator Parts » DB30 10HM Relief Valve

The DB30 10HM Relief Valve is a relief valve for concrete pump trucks, boom pumps and trailer pumps. imachine supplies it as a replacement for the original unit when the old part is worn, leaking or no longer holding pressure.

Construction: Ductile iron body, hardened steel poppet/spool, NBR seals. Working range: Set pressure 50–400 bar; flow 40–250 L/min; pilot operated; pressure adjustment range ±10%. Expected service life is 1,000,000 cycles in normal pumping duty. Port or interface: G1/4″, G3/8″, G1/2″, G3/4″, G1″; M14×1.5, M16×1.5, M18×1.5, M22×1.5; 7/16″-20 UNF, 9/16″-18 UNF, 3/4″-16 UNF; SAE J1926 / ISO 6149.

Applications of DB30 10HM Relief Valve

  • DB30 10HM Relief Valve for concrete pump trucks, boom pumps and trailer pumps
  • Replacement of a worn or failed relief valve during scheduled maintenance
  • Repair jobs and maintenance stock for concrete pump truck fleets

Specifications of DB30 10HM Relief Valve

SpecificationDetails
BrandOEM / Aftermarket
Model / SizeDB30 10HM
Part typeRelief Valve
MaterialDuctile iron body, hardened steel poppet/spool, NBR seals
Key parametersSet pressure 50–400 bar; flow 40–250 L/min; pilot operated; pressure adjustment range ±10%
Service life1,000,000 cycles
Thread / interfaceG1/4″, G3/8″, G1/2″, G3/4″, G1″; M14×1.5, M16×1.5, M18×1.5, M22×1.5; 7/16″-20 UNF, 9/16″-18 UNF, 3/4″-16 UNF; SAE J1926 / ISO 6149
ApplicationConcrete pump truck / boom pump / trailer pump

Q&A – Buyer-Focused Commercial Queries

Q1: Which machines does this part fit?
A: It is used on concrete pump trucks, boom pumps and trailer pumps. Confirm the machine model and the original part number before ordering, because mounting patterns differ between pump generations.

Q2: What are the main specifications?
A: material: Ductile iron body, hardened steel poppet/spool, NBR seals; working range: Set pressure 50–400 bar; flow 40–250 L/min; pilot operated; pressure adjustment range ±10%.

Q3: How long does it last?
A: Under normal concrete-pumping duty the expected service life is 1,000,000 cycles. Abrasive mixes, high pumping pressure and missed lubrication shorten it.

Q4: How do I confirm the right part?
A: Send the machine model, the original part number or a photo of the old part. We match it against the drawing and confirm before shipping.

WHY CHOOSE IMACHINE?

imachine is one of the biggest used construction machinery supplier in China. We have an abundant supply for your used construction machinery needs.

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One-stop solution with model selection, refitting, maintenance, inspection, and delivery.

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imachine professional quality control team conducts comprehensive tests on more than 15 key components to ensure performance.

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16+ years of rich experience in the construction industry and international trade. imachine is here to ensure a smooth and worry-free experience.

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DB30 10HM Relief Valve

  • Model DB30 10HM
  • Type Relief Valve
  • Compatibility All Brands
  • Condition Brand New

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