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DSSY-502-LPG Dry Disconnect Couplers

DSSY-502-LPG Dry Disconnect Couplers

DESEINOR dry disconnect couplings achieve double-side auto sealing with zero leakage for chemical, petroleum & LPG filling systems. 2–8 inch, 316 stainless steel body, multi-type seals to cut medium loss & pollution.

ISO 9001
CE
UL
SGS
PCEC
IECEX ATEX
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Product Overview

DESEINOR Dry Disconnect Coupling Product Introduction

DESEINOR dry disconnect couplings are professional hose connection fittings. They provide automatic double-side sealing once the hose is disconnected from fixed pipelines. Ideal for fluid and gas piping requiring quick plug-and-play operation with zero leakage, they minimize medium loss and avoid contamination risks, widely used in filling systems of chemical, petroleum, LPG and other industries.
This product greatly improves operation efficiency, effectively prevents medium spillage and contamination, and reduces environmental impact.

Product Parameters

Sizes & Dimensions

Nominal diameters available: 2", 2.5", 3", 4", 6", 8", compatible with all types of pipeline systems.

Materials

  • Body: Standard 316 stainless steel (ASTM A351 CF8M 316 stainless steel for partial models) with excellent corrosion resistance. Custom materials including aluminum alloy, brass, Hastelloy, titanium alloy, PVDF and PEEK are available for special working conditions.

  • Seals: Optional PTFE, Viton FKM, NBR, EPDM and FFKM to fit various conveyed media and temperature ranges.


Technical Parameters

Product Name

Dry Joint

Application

Fuel Tanker Accessaries

Model Number

DSSY-503 TH16

Kind

Fluid Safety Components

Material

Stainless Steel 316L

Nominal pressure

1.6MPa

Nominal Size

2”/3”/4”

Working Temperature

-40℃~+200℃

Brand Name

DESEINOR

Sealing material

Perfluoroether/polytetrafluoroethylene

Place of Origin

China

Max emergency flow

Maximum emergency flow

Packing

Carton Box

Installation method

Flange connection/Thread

4”Packing Size

Female

Male

L*W*H(CM)

23*26.5*27CM

L*W*H(CM)

16.5**16.5*16CM

QTY/CTN

1PCS/Box

QTY/CTN

1PCS/Box

N.W(KGS)

18.3KGS

N.W(KGS)

5.9KGS

Product Features

    Body materials: The standard body is built with 316 stainless steel, with selected models made from ASTM A351 CF8M cast 316 stainless steel. Customization options of aluminum alloy, brass, Hastelloy, titanium alloy, PVDF, and PEEK versions are available for special operating conditions.

    Various seal options: Available sealing materials include PTFE, FKM, NBR, EPDM, and FFKM to suit different media and temperature requirements.

    Tested vacuum performance: Selected configurations have been tested at vacuum levels up to 711 mmHg in any orientation, demonstrating leak-proof performance.

    Long operating life: The dry disconnect couplers are designed for more than 500,000 opening and closing cycles.

    Connection options: Threaded and flanged versions are available. Thread options include BSP and NPT in male or female configurations, while flange options can be supplied to ANSI, EN, TW, TTMA, and JIS standards for hose assemblies and tank equipment.

    Safe, simple operation: Most configurations use a single-handle mechanism that combines locking, sealing, and disconnection. Additionally, the coupler is equipped with a mechanical interlock to prevent accidental opening during operation.

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