What are the pressure ratings for these joints?

Typically 150 psi (10 bar) standard, up to 300 psi (20 bar) for heavy-duty designs; vacuum service available with metal reinforcement.

What standards do these products comply with?

ASTM F1123, EN 13157, HG/T 2289 (China) for material and performance compliance.

Double-Sphere Flange Rotatable EPDM/NBR Rubber Flexible Joint

Name: Double-Sphere Flange Rotatable EPDM/NBR Rubber Flexible Joint
Brand: Hebei Xinqi Pipeline Equipment Co., Ltd.
SKU: 2137542272

Hebei, ChinaHebei Xinqi Pipeline Equipment Co., Ltd.

US$2.31-3,307.12

1 Piece

Sample price:US$2.31/piece.Request sample

Product profile

Customization

Available

Standard

ANSI, DIN, GB, JIS, GOST, BSW

Type

Welding Flange

Model NO.

DN25-DN3200

Material

Stainless Steel

Structure

Round

Connection

Welding

Sealing Surface

Manufacturing Way

Forging

Channel of Product

Factory Direct Sales

Test Item 1

Hydrostatic Testing

Test Item 2

Pressure

Test Item 3

Movement Distance

Transport Package

Standard Export Plywood Case

Specification

1/2" to 24"

Trademark

XINQI

Origin

China

HS Code

7307210000

Production Capacity

300 Pieces/Day

Key features

Multi-Directional Movement: Absorbs axial, lateral, angular, and torsional movement to compensate for thermal shifts and misalignment.

Vibration & Noise Isolation: Dampens mechanical vibration from pumps and fans, reducing noise transmission between piping and structures.

Corrosion Resistance: Elastomer liners resist chemicals, saltwater, and abrasion better than rigid metal alternatives.

Easy Installation: Lightweight and flexible design simplifies alignment without requiring special tools.

Stress Mitigation: Protects pipes and equipment from fatigue failure caused by thermal expansion or seismic activity.

Certified Quality: ISO 9001 and SGS verified production ensuring high quality and reliability.

Customizable Options: Factory direct sales with customized manufacturing based on customer drawings.

Company profile

Hebei Xinqi Pipeline Equipment Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryExport Year: 2003-08-06Nearest Port: Tianjin Xingang PortAverage Response Time: ≤3.10hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW

About Our Factory & Business Background

AddressNo. 107 Xiwang Ave Xiwang New Industry Zone, Cangzhou, Hebei, China

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Our Production Capability & Technical Expertise

Main ProductsCompensator, Metal Bellows, Expansion Joint, Dismantling Joint, Flanges, Elbow & Bend, Tee & Cross, Reducer, Cap, Lap Joint Stub End

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:How can I get more details about your products?

You can send an email to our email address. We will provide catalogue and pictures of our products for your reference. We can also supply pipe fittings, bolt and nut, gaskets etc. We aim to be your piping system solution provider.

Q:How can I get some samples?

If you need, we will offer you samples for free, but new customers are expected to pay express charge.

Q:Do you provide customized parts?

Yes, you can give us drawings and we will manufacture accordingly.

Q:To which countries have you supplied your products?

We have supplied to Thailand, China Taiwan, Vietnam, India, South Africa, Sudan, Peru, Brazil, Trinidad and Tobago, Kuwait, Qatar, Sri Lanka, Pakistan, Romania, France, Spain, Germany, Belgium, Ukraine etc. (Figures here only include our customers in latest 5 years.).

Q:How can I deal with the risk involved if I can't see the goods?

Our quality management system conforms to the requirement of ISO 9001:2015 verified by BV. We are absolutely worth your trust. We can accept trial order to enhance mutual trust.