Yoshitake DS-10 series drain separators are high-performance baffle-type devices designed to efficiently remove condensate and moisture from steam, compressed air, and gas pipelines. Constructed entirely from stainless steel (SUS316 equivalent), these separators offer exceptional durability and corrosion resistance, ensuring a long service life in demanding industrial environments. By removing droplets and particles, the DS-10 series prevents erosion of downstream equipment, improves fluid quality, and maximizes thermal efficiency.

Product Features

• All Stainless Steel Construction: High durability and suitability for clean or corrosive environments.
• Simple & Efficient Design: The internal baffle mechanism provides superior separation of condensate with minimal maintenance.
• Integrated Structure: Compact design facilitates easy installation in horizontal piping.
• Enhanced Performance: Effectively prevents water hammer and erosion caused by liquid carryover.

Working Principle

When steam or air containing condensate enters the separator, it strikes an internal baffle. The collision causes heavier moisture droplets and particles to lose momentum and fall to the bottom, where they are guided to the drain discharge port. The dry steam or air then flows around the upper part of the baffle and continues toward the outlet.

Technical Specifications

Model	DS-10	DS-10F
Nominal Size	15A – 50A	15A – 65A
Application	Steam, Air, Non-hazardous gases	Steam, Air, Non-hazardous gases
Max. Pressure	2.0 MPa (Steam)	2.0 MPa (Steam)
Max. Temperature	220°C	220°C
Body Material	Stainless Steel	Stainless Steel
Connection	JIS Rc, NPT	JIS 10K FF, EN PN25 RF
Drain Port	Rc1/2 (15A-32A), Rc1 (40A-65A)	Rc1/2 (15A-32A), Rc1 (40A-65A)

Note on Pressure

For Air, Hydrogen, and other non-hazardous gases, the maximum pressure is limited to 1.0 MPa. When using JIS 10K FF flange connections, the maximum allowable pressure is also 1.0 MPa.

Dimensions

Size (A)	L (DS-10)	H (DS-10)	H1 (DS-10)	D (DS-10)	Weight (kg)
15A	182	272	112	76	3.0
20A	212	296	111	89	3.8
25A	244	325	120	114	5.0
32A	276	405	157	133	8.8
40A	308	472	167	168	12.8
50A	336	537	201	168	15.0

Installation & Maintenance

• Mounting: Must be installed in a horizontal pipe with the drain outlet facing directly downward.
• Trapping: A steam trap (for steam) or air trap (for air) must be installed below the drain outlet to discharge the separated condensate without losing line pressure.
• Flow Velocity: To ensure optimal separation, maintain flow velocities below 30 m/sec for steam and 15 m/sec for air.

Maintenance Tip

Conduct a periodic self-inspection at least once a year to check for external leakage and ensure the internal baffle remains undamaged. If separation performance drops, check if the flow velocity exceeds the recommended limits.