SUN Sandwich Manifolds

Sun Hydraulics offers standard and custom manifolds in a variety of ports, cavities, materials and coating options.

Cartridge/manifold assembly model codes can be searched on by stringing the two model codes together, starting with the cartridge. The search will work with or without any hyphens, but if there is a modifier in either the cartridge or manifold model code, as shown in some examples below, the "/" must be included.

Examples of Cartridge/Manifold Assemblies:

  • RPEC-LAN-FAV/S
  • RPEC-LAN/AP-FAV
  • DBAC-MCN-223-WFV (includes cartridge coil)
  • RDDA-LBN-FB2
  • DKHR-8HN-PAP/M
Cartridge Manifold Assembly


Material options

  • Wrought aluminum:  In US, alloy 6061, temper designation T651 (The Aluminum Association) (ASTM B221 for Extruded Bar); In EU, 6082T651.  Maximum pressure rating of 3,000 psi (210 bar), a proof rating of 6,000 psi (420 bar), and a burst rating of 12,000 psi (840 bar).

  • Ductile (nodular cast) Iron, In US, Grade 65-45-12 (ASTM A 536); in EU, EN16482:2014/ENGJS-400-15. Maximum pressure rating of 5000 psi (350 bar), a proof rating of 10,000 psi (700 bar), and a burst rating of 20,000 psi (1400 bar).

Aluminum Surface Treatments: Standard Options

Clear Anodize - Class I, Type II Anodizing per Mil-A-8625F
Aluminum manifold with black anodize

Black Anodize - Class II, Type II Anodizing per Mil-A-8625F

Ductile Iron Surface Treatments: Standard Options

Dewatering Oil (SUN S-247-000)– Dewatering oil offers limited corrosion protection during shipping and storage. Amount of corrosion protection is minimal and varies depending on the environment it is stored in. This is the standard option for custom integrated packages and three-letter bodies.
Ductile manifold with chemical blackening

Chemical Blackening (SUN S-247-001)– Black oxide coating offers limited corrosion protection during shipping and storage. Amount of corrosion protection is minimal and varies depending on the environment it is stored in.
Ductile manifold with clear zinc coating

Trivalent Clear Zinc with Top Sealer (SUN S-247-017)– Trivalent Clear Zinc with Top Sealer is rated for 96 hours of protection per salt fog test per ASTM B117 or ISO 9227 5% saline. Trivalent Clear Zinc with Top Sealer is RoHs compliant.

Clear Zinc Nickel with Top Sealer (SUN S-247-018)–  SAE AMS 2417, composition contains 10% to 20% Ni, with clear trivalent chromate treatment is rated for 1000 hours of protection per salt fog test per ASTM B117 or ISO 9227 5% saline. Clear Zinc Nickel is RoHs compliant.
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