Rubber-Lined Direct-Way Diaphragm Valve

Model：EG46J-10
Specification： DN20－300
Temperature：≤85°C
Medium：General Corrosive Media

Pressure：1.0MPa
Connection method：Flanged
Driving method：Manual
Material：Cast Iron, Stainless Steel, Cast Iron / Rubber-Lined Actuation

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Product Overview
Performance Data
Size Weight

Overview

EG46J-10 series straight-through diaphragm valves are precision manual control valves customized for general corrosive media and industrial fluid piping systems. Featuring a nominal diameter range from DN20 to DN300 and standard flanged connections, this series integrates perfectly into industrial pipelines across chemical processing, environmental protection, water treatment, metallurgy, and pharmaceuticals. Utilizing a straight-through body design and a unique diaphragm sealing structure, the valve achieves leak-free fluid shut-off and regulation within a nominal pressure range of 1.0 MPa. Constructed from premium materials including cast iron, stainless steel, and rubber-lined cast iron, combined with a corrosion-resistant elastomeric diaphragm, the valve maintains exceptional sealing performance and fatigue life at temperatures up to 85°C, making it an ideal core component for modern industrial fluid control.

Product Image: EG46J-10 Rubber-Lined Direct-Way Diaphragm Valve

Feature

Straight-Through Design & Versatile Flange Connection: Tailored for DN20~DN300 piping systems, featuring a straight-through flow path with low flow resistance and high capacity. Standard industrial flanged connections ensure a seamless fit with domestic and international piping layouts.

Media Isolation & Zero Leakage Guarantee: Equipped with a precision manual actuation mechanism and a highly flexible diaphragm, isolating the flowing media entirely from the stem, bonnet, and driving components. It executes smooth opening and closing from 0 bar with high accuracy and safety.

Superior Corrosion Resistance: Specially engineered to handle medium temperatures up to 85°C, easily withstanding general acids, alkalis, salt solutions, and slurries containing suspended solids over long-term operation.

Multiple Body Materials on Demand: Cast iron and stainless steel bodies deliver excellent mechanical properties and cost efficiency; the rubber-lined cast iron body is specifically built for aggressive chemical media, offering outstanding resistance to pitting and chemical attack.

Structure Diagram: EG46J-10 Rubber-Lined Direct-Way Diaphragm Valve

Parts Material List

Part Name	Material
Valve Body	Cast Iron, Stainless Steel, Cast Iron/Rubber-Lined
Bonnet	Cast Iron
Disc	Cast Iron
Handwheel	Cast Iron
Diaphragm	Natural Rubber, Butyl Rubber, etc.
Stem	Carbon Steel

Specification Sheet

Item	Parameter
Working Temperature	※ ≤85°C
Applicable Media	General Corrosive Media

Outline Diagram: EG46J-10 Rubber-Lined Direct-Way Diaphragm Valve

Outline Dimension Table （Unit:mm）

Nominal Diameter DN(mm)	Nominal Pressure (MPa)	Working Pressure (MPa)	L	D	D1	Z-Φ	f	H	Do	Weight (kg)
20	1.0	1.0	117	105	75	4-14	2
25			127	115	85	4-14	2	146	120	3.5
32			148	140	100	4-18	2	152	120	5
40			159	150	110	4-18	2	152	120	6
50			190	165	125	4-18	2	163	120	8.5
65			216	185	145	4-18	2	205	230	16
80			254	200	160	8-18	2	220	230	22
100			305	220	180	8-18	2	262	280	32
125		0.6	356	250	210	8-18	3	290	280	43.5
150			406	285	240	8-22	3	368	363	65
200			521	340	295	8-22	3	410	363	112.5
250		0.4	635	395	350	12-22	3	559	483	192.5
300		0.4	749	445	400	12-22	3	625	576	296
Applicable Standards Design & Manufacture: GB 12239 \| Face to Face: BS 5156 \| Flange Dimensions: BS 4504

Special Note: Zhejiang Shanliu Valve Technology Co., Ltd. is a high-end valve brand under Kaivex Group. Valve product R&D and iteration speed is relatively fast. The above technical parameters and specification documents, including product overview and features, performance specifications, parts names and materials, CAD structural drawings, overall dimensions and weights, and valve instruction manuals, are for reference only. For actual engineering applications, please contact our sales engineers for free support. Thank you!

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