Flexible Rubber Pipe Couplings: Straight and Reducing

Description

Flexible Rubber Pipe Couplings for Straight and Reducing Connections

IKSONIC offers flexible rubber pipe coupling options for buyers comparing straight sleeves, clamp-type connectors and reducing joints. This selection contains 50 listed options, including a separate 2-piece selection and a separately listed real-photo option. Use the tables below to identify the requested size and construction before ordering.

As a China-based rubber product manufacturer and supplier, IKSONIC welcomes wholesale enquiries from equipment manufacturers, maintenance buyers and industrial purchasing teams. Send the selected option, required quantity and connection details so that the dimensions, rubber grade and supplied components can be confirmed for your order.

Product Selection Overview

• Product family: Flexible rubber pipe couplings, straight rubber sleeves and reducing rubber connectors.
• Listed selections: 30 straight/sleeve options and 20 reducing options. These are separate order selections, not a claim of 50 unique geometries.
• Material identification: The 100 mm to 150 mm reducing option with a listed height of 70 mm is specifically described as EPDM rubber. Rubber grades for the other options require confirmation.
• Option-specific construction: An iron-sheet-covered straight coupling and stainless-steel-described reducing options appear in the list. These descriptions apply only to their corresponding rows.
• Quantity distinction: The 40 × 50 × 90 option labeled 2pcs is kept separate from the 40 mm × 50 mm × 90 mm option. Its dimensional units and set contents must be confirmed.

How to Read the Size Tables

Dimension sequences are reproduced without assuming that the first, second and third figures mean inner diameter, outer diameter and height. Dimension roles are stated only where the option identifies them. A small-end or large-end label does not by itself specify an inner or outer diameter.

Units are shown only where they appear in the corresponding source option. Entries without units are not automatically treated as millimeters. The two hyphenated size strings are retained exactly because their measurement roles are not defined in the text. Confirm the measurement basis before using any entry to specify a mating pipe.

Straight Coupling and Sleeve Options

30 listed straight coupling and sleeve selections

Listed size	Option	Selection note
32 mm × 42 mm × 90 mm	Straight rubber coupling 1	Triplet order not specified.
35 mm × 45 mm × 120 mm	Flexible rubber connector	Triplet order not specified.
38 mm × 48 mm × 70 mm	Flexible rubber coupling	Triplet order not specified.
40 mm × 50 mm × 70 mm	Flexible pipe coupling	Triplet order not specified.
40 mm × 50 mm × 90 mm	Clamp-type rubber flexible connector	Triplet order not specified.
40 × 50 × 90	Straight coupling, 2-piece option	2pcs. Units and triplet order are not stated; confirm the set contents.
50 mm × 60 mm × 90 mm	Clamp-type flexible connector	Triplet order not specified.
60 mm × 70 mm × 90 mm	Rubber clamp coupling	Triplet order not specified.
63 mm × 73 mm × 63 mm	Rubber coupling size option	Triplet order not specified.
63 mm × 73 mm × 70 mm	Flexible rubber coupling	Triplet order not specified.
75 mm × 85 mm × 90 mm	Rubber coupling for a check-valve connection	Triplet order not specified; confirm compatibility.
90 mm × 100 mm × 90 mm	Flexible pipe coupling	Triplet order not specified.
100 mm × 110 mm × 70 mm	Rubber coupling for PVC pipe	Triplet order not specified; confirm compatibility.
100 mm × 110 mm × 150 mm	Straight clamp-type rubber flexible connector	Triplet order not specified.
Inner diameter 100; outer diameter 125; height 200 mm	Straight coupling with iron-sheet covering	Dimension roles are explicit. The source attaches mm only to height; confirm ID and OD units.
104 mm × 114 mm × 70 mm	Straight clamp-type flexible connector	Triplet order not specified.
110 mm × 125 mm × 100 mm	Flexible connector	Triplet order not specified.
112 × 130 × 105	Rubber coupling	Units and triplet order are not stated.
125 mm × 135 mm × 70 mm	Flexible rubber coupling	Triplet order not specified.
140 mm × 150 mm × 70 mm	Clamp-type rubber coupling	Triplet order not specified.
150 mm × 160 mm × 70 mm	Flexible connector coupling	Triplet order not specified.
155 mm × 165 mm × 70 mm	Straight rubber flexible connector	Triplet order not specified.
160 mm × 175 mm × 150 mm	Quick clamp coupling	Triplet order not specified.
160 × 180 × 100	Straight coupling	Units and triplet order are not stated.
170 mm × 185 mm × 200 mm	Straight rubber coupling	Triplet order not specified.
200 mm × 220 mm × 150 mm	Black rubber flexible coupling	Triplet order not specified.
220 mm × 240 mm × 150 mm	Clamp-type flexible rubber coupling	Triplet order not specified.
63 × 73 × 100	Straight quick-fit flexible connector	Units and triplet order are not stated.
63 × 73 × 150	Straight rubber sleeve connector	Units and triplet order are not stated.
25 × 35 × 90	Straight flexible connector for steel/plastic pipe	Units and triplet order are not stated; confirm pipe compatibility.

Reducing Coupling Options

The 40 mm to 160 mm, height 100 mm reducer appears twice in the selection: the standard listed option and a real-photo selection. Both are retained below. The photo label does not establish a different material, package or construction.

20 listed reducing coupling selections

Listed size	Option	Selection note
Small end 12.7 mm to 50.8 mm; height 100 mm	Reducing coupling	End sizes and height are listed; the source does not identify ID or OD.
Small end 25 mm; large end 35 mm; height 132 mm	Reducing coupling	End sizes and height are listed; the source does not identify ID or OD.
Small end 25 mm; large end 75 mm; height 125 mm	Reducing coupling	End sizes and height are listed; the source does not identify ID or OD.
Small end 40 mm; large end 50 mm; height 100 mm	Reducing coupling	End sizes and height are listed; the source does not identify ID or OD.
Small end 50 mm; large end 65 mm; height 90 mm	Reducing coupling	End sizes and height are listed; the source does not identify ID or OD.
Small end 63 mm; large end 75 mm; height 63 mm	Reducing coupling	End sizes and height are listed; the source does not identify ID or OD.
Small end 63 mm; large end 90 mm; height 100 mm	Reducing coupling	End sizes and height are listed; the source does not identify ID or OD.
75-110*85-120*100mm	Flexible reducing coupling with stainless-steel clamp	Exact size notation retained. Dimension roles and unit scope require confirmation.
Small end 100 mm; large end 150 mm; height 70 mm	EPDM reducing rubber coupling	EPDM is explicitly identified for this option only. End sizes are not identified as ID or OD.
Small end 110 mm to 160 mm; height 150 mm	Reducing coupling	End sizes and height are listed; the source does not identify ID or OD.
Small end 40 mm; large end 160 mm; height 100 mm	Reducing coupling	Standard listed option; retain separately from the real-photo option of the same size.
Small end 40 mm; large end 160 mm; height 100 mm	Reducing coupling, real-photo option	Separately listed real-photo selection. Matching dimensions do not establish a different construction.
153-203*163-213*150mm	Flexible rubber reducing pipe coupling	Exact size notation retained. Dimension roles and unit scope require confirmation.
Small end 203 mm; large end 214 mm; height 120 mm	Reducing coupling	End sizes and height are listed; the source does not identify ID or OD.
Small end 110 mm; large end 120 mm; height 100 mm	Reducing hollow sleeve	End sizes and height are listed; the source does not identify ID or OD.
Small end 114 mm; large end 155 mm; height 150 mm	Reducing rubber sleeve	End sizes and height are listed; the source does not identify ID or OD.
145 to 160; height 110 mm	Flexible reducing bushing / drainage-hose coupling	The end-size units are not stated. Height alone is labeled mm; ID/OD basis is not specified.
80 to 95; height 100	Rubber reducing pipe coupling	Units are not stated; ID/OD basis is not specified.
90 to 100; height 100	Rubber reducing connecting sleeve	Units are not stated; ID/OD basis is not specified.
90 to 105; height 90	Reducing flexible joint, listed as stainless steel	Units are not stated. Confirm which component is stainless steel and the ID/OD basis.

Confirming the Right Connection

Start with the pipe sizes and the available space at the joint. For a reducing connection, identify both pipe ends separately. Compare the required measurements with the exact option wording rather than relying on a nominal pipe size alone. Where the size order or units are unclear, request clarification before specifying the part.

The list includes options described for PVC pipe, steel/plastic pipe, check-valve connections and drainage-hose connections. These are option descriptions, not universal compatibility claims. Confirm the mating materials, dimensions and service requirements for the selected coupling.

• Provide the selected size string exactly as shown in the relevant row.
• State whether the connection is straight or reducing and identify each mating pipe.
• Provide the required rubber grade, contact medium and operating conditions for suitability review.
• Confirm the clamp or covering material, supplied components and required quantity.
• For the 2-piece or real-photo selection, mention that distinction explicitly in the enquiry.

Wholesale Enquiries to IKSONIC

For a wholesale quotation from IKSONIC in China, include the selected coupling option, quantity, application details and any dimensional information that needs clarification. Availability, supplied components and suitability should be confirmed for the selected specification.

Contact IKSONIC to discuss your flexible rubber pipe coupling requirements.

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