




DSSY-503-TH119C/E dry joint dry disconnect coupling with double-sided anti-spill sealing for petroleum, chemical and LPG transfer. 316 stainless steel, multiple sizes & seals, thread/flange connection, long service life.






DSSY-503-TH119C/E dry joint dry disconnect coupling is a professional hose connector featuring automatic double-sided sealing during disconnection between hoses and fixed pipeline ends. It supports fast leak-free connection and disconnection for liquid & gas pipelines, greatly reducing medium waste and contamination hazards, widely used in chemical, petroleum, LPG filling systems. It upgrades work efficiency and lessens environmental pollution by avoiding liquid spillage.
Dimension Specifications Standard sizes: 2", 2.5", 3", 4", 6", 8", fit various pipeline systems.
Construction Materials
Main Body: Standard ASTM A351 CF8M 316 stainless steel with anti-corrosion performance; optional aluminum alloy, brass, Hastelloy, titanium, PVDF, PEEK for special working conditions
Seal Materials: PTFE, FKM/Viton, NBR, EPDM, FFKM for diverse media and temperature ranges
Performance Indicators
Working Pressure: 10–25 bar with 5x safety factor; 1" model up to 210 psi
Working Temperature: PTFE seal -7℃~110℃, FKM seal up to 149℃
Vacuum Resistance: 20 in Hg full-position leak-free
Flow Capacity: DN25(250L/min) to DN200(23000L/min)
Service Lifespan: Over 500,000 connect-disconnect cycles
Connection & Operation
Connection Types: BSP/NPT internal & external thread; ANSI/EN/TW/TTMA/JIS standard flanges
Operation Design: Single-handle control with mechanical interlock to avoid accidental separation
Product Name | DSSY-503-TH119C/EDry Joint | Application | Fuel Tanker Accessaries | |||
Model Number | DSSY-503-TH119C/E | Kind | Fluid Safety Components | |||
Material | Stainless Steel 316L | Nominal pressure | 1.6MPa | |||
Nominal Size | 3inch | Working Temperature | -40℃~+200℃ | |||
Brand Name | DESEINOR | Sealing material | Perfluoroether/polytetrafluoroethylene | |||
Place of Origin | China | Max emergency flow | 900~14000L/min | |||
Packing | Carton Box | Installation method | Flange connection/Thread | |||
2”Packing Size | ||||||
Female | Male | |||||
L*W*H(CM) | 28*21.5*20.5CM | L*W*H(CM) | 20.5*20.5*14CM | |||
QTY/CTN | 1PCS/Box | QTY/CTN | 1PCS/Box | |||
N.W(KGS) | 10.7KGS | N.W(KGS) | 5.6KGS | |||