DOHP-LAN – Sun Hydraulics Normally open, balanced poppet, logic element – pressure adjustable

DOHP-LAN Sun Hydraulics Logic Element Valve – installation dimensions drawing, cavity T-23A
DOHP-LAN Sun Hydraulics Logic Element Valve – hydraulic schematic symbol
DOHP-LAN Sun Hydraulics Logic Element Valve – hydraulic schematic symbol
DOHP-LAN Sun Hydraulics Logic Element Valve – performance curve (pressure drop vs flow)
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Part number: DOHPLAN · DOHP-LAN · DOHP LAN

Brand Sun HydraulicsType Logic ElementCapacity 60 gpm (240 L/min.)Cavity T-23A

Normally open, balanced poppet, logic element – pressure adjustable. Cavity T-23A, capacity 60 gpm (240 L/min.). Genuine Sun Hydraulics cartridge — MultiFlow is an authorized distributor.

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SKU: DOHP Category: Brand:

DOHP-LAN overview

DOHPLAN (DOHP-LAN, DOHP LAN) is a Sun Hydraulics Sun Hydraulics Normally open, balanced poppet, logic element - pressure adjustable, rated 60 gpm (240 L/min.) and installed in cavity T-23A. MultiFlow supplies genuine Sun Hydraulics cartridges in the UAE, GCC and India — use Add to Enquiry above for availability and a quotation.

Ordering codes

Pick the code that matches the material and finish you need. Add it to your enquiry above, or tap a code to select it.

DOHPLAN/AP Stainless Steel, PassivatedStainless Steel, Passivated
DOHPLAN Standard Material/CoatingStandard Material/Coating

Specifications

CavityT-23A
Series3
Capacity60 gpm (240 L/min.)
Maximum Operating Pressure5000 psi (350 bar)
Minimum Pilot Pressure Required to Shift Valve300 psi (20 bar)
Control Pilot FlowSee Performance Data
Maximum Valve Leakage at 110 SUS (24 cSt)10 drops/min.@5000 psi (0,7 cc/min.@350 bar)
Valve Hex Size1 1/4 in. (31,8 mm)
Valve Installation Torque150 - 160 lbf ft (203 - 217 Nm)
Adjustment Screw Internal Hex Size5/32 in. (4 mm)
Locknut Hex Size9/16 in. (15 mm)
Locknut Torque80 - 90 lbf in. (9 - 10 Nm)
Seal kit - CartridgeViton: 990023006

How to read DOHPLAN

Sun part numbers are the model followed by one code per option. Hyphens, slashes and spaces are only dividers, so DOHPLAN, DOHP-LAN, DOHP LAN are the same part.

ModelDOHP — Sun Hydraulics Normally open, balanced poppet, logic element - pressure adjustable
ControlL — Standard Screw Adjustment
Adjustment RangeA — 200 - 3000 psi (14 - 210 bar), 1000 psi (70 bar) Standard Setting
Seal MaterialN — Buna-N
Material / coatingAdd /AP (stainless steel, passivated) or /LH (mild steel, zinc-nickel) to the end; no suffix is the standard finish.
Control options
  • C — Tamper Resistant - Factory Set
  • K — Handknob
  • L — Standard Screw Adjustment
Adjustment Range options
  • A — 200 - 3000 psi (14 - 210 bar), 1000 psi (70 bar) Standard Setting
  • B — 200 - 1500 psi (14 - 105 bar), 1000 psi (70 bar) Standard Setting
  • W — 200 - 4500 psi (14 - 315 bar), 1000 psi (70 bar) Standard Setting
  • D — 200 - 800 psi (14 - 55 bar), 400 psi (28 bar) Standard Setting
Seal Material options
  • N — Buna-N
  • V — Viton
Material/coating options
  • /AP — Stainless Steel, Passivated
  • — Standard Material/Coating

Manifold & standard assemblies

Sun manifolds for cavity T-23A (73)

View all 73 →

Technical features

  • Unique balanced construction provides predictable switching with 5000 psi (350 bar) at both port 1 and port 2. When the remote pressure signal at port 3 exceeds the internal valve setting, the valve shifts to the closed position.
  • Any backpressure at the drain port is directly additive to the valve setting.
  • Valve will return to the spring-biased open position when pilot pressure reaches approx. 85% of cracking value.
  • These valves are hydraulically balanced between port 1 and port 2.
  • Port 1 and port 2 are fully sealed from port 3 and port 4. Ports 3 and 4 are positively sealed.
  • Leakage rate between port 1 and port 2 is very low, typically less than 10 drops/min. at 5000 psi (0,7 cc/min at 350 bar).
  • All ports will accept 5000 psi (350 bar).
  • Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.

Drawings, symbol & performance curves

DOHP-LAN Sun Hydraulics Logic Element Valve – hydraulic schematic symbol
hydraulic schematic symbol
DOHP-LAN Sun Hydraulics Logic Element Valve – hydraulic schematic symbol
hydraulic schematic symbol
DOHP-LAN Sun Hydraulics Logic Element Valve – performance curve (pressure drop vs flow)
performance curve (pressure drop vs flow)

Downloads

Technical reference sheets

Frequently asked questions

Is DOHPLAN the same as DOHP-LAN?

Yes. Sun Hydraulics writes this part number as DOHPLAN. It is the model DOHP followed by the configuration code; hyphens, slashes and spaces are only dividers, so DOHPLAN, DOHP-LAN, DOHP LAN all refer to the same product.

Do you supply DOHPLAN in the UAE, GCC and India?

Yes. MultiFlow supplies genuine Sun Hydraulics cartridges, including DOHPLAN, to customers in the UAE, the wider GCC and India. Use Add to Enquiry on this page for availability, lead time and a quotation.

Can I get the datasheet and CAD files?

Yes. The datasheet, technical reference sheets and CAD files (DXF, DWG, STP) are listed in the Downloads section of this page.

How big is a drop of hydraulic oil?  

There are exactly 250 Sun drops in a cubic inch or 15 in a cc.

Direct acting or pilot operated - what do I use?

Direct-acting valves are used to prevent over pressure, and pilot-operated valves are used to regulate pressure. If you are unsure, use a direct-acting valve. Sun's direct acting valves are very fast, dirt tolerant, stable, and robust. Sun's pilot-operated valves are moderately fast, they have a low pressure rise vs. flow curve, and they are easy to adjust.

I need to discharge a large accumulator. How can I increase the capacity of my discharge circuit?

Because of the very high ratio, the COFO has limited capacity. The discharge path is across a .050 inch (1,3 mm) diameter orifice. If you have large accumulators combined with low precharge pressures, this may not discharge the energy quickly enough. Using the COFO XDN cartridge in conjunction with an LODA XDN will provide capacity for larger applications.

What parts of the Sun cartridge valve are field serviceable?
Only external seals are serviceable.  Sun offers replacement seal kits for all cartridge models. The applicable kit part number can be found in the product page's Technical Data table or by using our Cartridge Seal Kit search function located under Accessories. Please note: Converting the external seals from one material to another does not ensure fluid compatibility with that material due to the existence of internal seals within the cartridge.

Manufacturer reference: https://www.sunhydraulics.com/model/DOHP

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