Double-Sphere Union Type Rubber Expansion Joint

1) Material

EPDM, NBR, NR, Polarity rubber

2)Construction

Inner core, Outer cover, Frame, Metallic ring, M. I. union or Carbon steel flange

3)Connector Approval

Flanged, flange type Threaded, Union type Rubber Joint

4)Type

Single sphere or arch, Double spheres or arch

5)Threads

DIN, BSPT, BSP, NPS, NPT, Metric, (ISO7/1, DIN 2999, ANSI B1.20.1)

6)Flange Drilled

BS, DIN, ANSI, JIS or others provided drawing samples

7)Surface

Galvanized, Epoxy

8)Normal Specification

DN32 to1200mm(1 1/4 to 48 inch); For threaded union connector only be DN15 to 80mm(1/2 to 3 inch)

9)Usage

Protecting piping and equipments systems from stress or motion

10)Application

Air, Pressurized air, Water, Sea water, Hot water, Oil, Acid, Alkali etc