1. Product Overview

ParameterSpecification
Product NameSupreme Valves Bellows & Expansion Joints
DescriptionIndustrial Valve for Oil & Gas, Petrochemical, Water Treatment. KSA/UAE export. API compliant. AHMEDABAD manufacturer. Request enquiry.

2. Salient Features

  • EJMA (Expansion Joint Manufacturers Association)
  • ASME B31.3 (Process Piping)
  • TEMA (Tubular Exchanger Manufacturers Association)
  • Hydrostatic Test
  • Leak Test (bubble test)
  • Cycle Test (fatigue testing)
  • Pressure Test to 1.5x rated pressure
  • Design Life: 1000 to 10000 cycles

4. Technical Specifications

ParameterSpecification
Valve TypePipeline Expansion Joint, Metallic Axial Bellows / Resilient Rubber Expansion Joint
Size RangeDN25 (1") to DN1200 (48")
Pressure RatingPN10 / PN16 (10 bar / 16 bar) / Class 125# / Class 150#
End ConnectionFlanged Raised Face (RF) per ASME B16.5 / EN 1092-1; Screwed BSP/NPT (for rubber unions)
Face-to-FaceEJMA Standard (Metallic Bellows) / Manufacturer Standard (Rubber Joint)
Design StandardEJMA (Expansion Joint Manufacturers Association) for bellows; FSA (Fluid Sealing Assoc)
Testing StandardEN 12266-1 / ISO 5208 -- Hydrostatic Shell Test 1.5 x PN
Movements AllowedAxial Compression, Axial Extension, Lateral Deflection, and Angular Rotation
AccessoriesControl rods / Limit rods (zinc plated steel) with rubber dampers to prevent over-extension

5. Materials of Construction

PartStandard MaterialExotic/Special Alloys (On Request)
Flanges (Split/Solid)Carbon Steel ASTM A105 / A36 / Cast Iron FG 260 with zinc plating/paintStainless Steel SS304 / SS316 flanged ends
Bellows (Metallic)Stainless Steel ASTM A240 Type 304 / SS321 (multi-ply high flexible sheet)Stainless Steel SS316L, Inconel 625, Hastelloy C
Body (Rubber Joint)EPDM rubber (standard) / Neoprene / NBR (oil resistant) / Viton (high temp)Teflon PTFE lining inside EPDM body
Reinforcement CordNylon tire cord fabric with high-tensile spring steel wire reinforcement ringStainless steel wire grid reinforcement
Internal Sleeve (Bellows)Stainless Steel SS304 (prevents turbulence and bellows erosion)SS316 Internal sleeve
Limit RodsCarbon Steel Zinc Plated Grade 4.6 / 8.8Stainless Steel 304 / 316 limit rods

6. Dimensions

Conforms to EJMA standards (for metallic bellows) or standard Fluid Sealing Association lengths. Bore sizes from DN25 to DN1200. Flange specifications conform to ASME B16.5 or EN 1092-1. GAD drawings featuring axial/lateral/angular movement limits, spring rates, and weights are provided for engineering approval.

7. Testing & Inspection

TestStandard ReferenceAcceptance Criteria
Body Hydrostatic ShellEN 12266-1 / ISO 52081.5 x Rated Pressure (15 bar for PN10, 24 bar for PN16), 60s hold, zero visible leakage/deformation
Movement FunctionEJMA / FSAVerify bellows/rubber flexible expansion limits, check spring rate matching, zero cracks
PMI & VisualASTM E1476Positive Material Identification on SS321 bellows, visual check of rubber molding quality

8. Design Standards & Codes

Code/StandardDescription
EJMA StandardsStandards of the Expansion Joint Manufacturers Association (for metallic bellows)
FSA Technical HandbookFluid Sealing Association guidelines for rubber expansion joints
ASME B16.5Pipe Flanges and Flanged Fittings (dimensional standards compatibility)
EN 1092-1Flanges and their joints -- Circular flanges for pipes, valves, fittings

9. Documentation & Certification

DeliverableDetails / Status
Material Test CertificatesEN 10204 3.1 Mill Certificates for SS321 bellows and Carbon Steel flanges
Pressure Test ReportsHydrostatic pressure test reports signed by QA/QC inspectors
Movement rating sheetCalculated compression, expansion, and lateral movement limits declaration sheet

10. General Notes

  1. Rubber expansion joints accommodate piping misalignment, absorb vibrations, and reduce pump noise.
  2. Limit rods are highly recommended to prevent bellows over-extension when pipe anchors are not sufficiently braced.
  3. Standard EPDM rubber joints are suitable for water, heating systems, and mild acids; NBR is required for oils.
  4. Always protect rubber joints from direct weld splatter and sunlight/ozone to prevent premature rubber cracking.

11. Contact & Enquiry

Supreme Enterprise
Industrial Valves & Engineering Solutions
4th Floor, Survey No. 235/A and 247/A, E/401,
Nr. Bhattha School, Gyaspur,
Ahmedabad, Gujarat 382405, India
Branch: Mehta House, Relief Road, Ahmedabad 380001
GST: 24AFAFS5839J1ZQ • IEC: AFAFS5839J

Email: info@supremevalves.in
Phone: +91 97732 78770
Web: www.supremevalves.in

Request Enquiry

Frequently Asked Questions

Which standards does the Supreme Valves Bellows & Expansion Joints comply with?

The Supreme Valves Bellows & Expansion Joints is designed, manufactured, and tested in accordance with EJMA (Expansion Joint Manufacturers Association) for bellows; FSA (Fluid Sealing Assoc). Compliance documentation and Material Test Certificates (EN 10204 3.1) are provided with every order.

What materials of construction are available for the Supreme Valves Bellows & Expansion Joints?

Standard construction is carbon steel, stainless steel (CF8 / CF8M), and special alloy grades. Alternative and upgraded grades -- Duplex, Super Duplex, Inconel, Monel, Hastelloy, and NACE MR0175 trims for sour service -- are available on request.

What sizes and pressure ratings does the Supreme Valves Bellows & Expansion Joints cover?

It is offered in DN25 (1") to DN1200 (48") with PN10 / PN16 (10 bar / 16 bar) / Class 125# / Class 150#. End connections include flanged (RF / RTJ), butt-weld, socket-weld, and screwed ends as per specification.

Can Supreme Valves supply the Supreme Valves Bellows & Expansion Joints for export to Saudi Arabia and the Middle East?

Yes. Supreme Valves India is an established exporter of industrial valves to Saudi Arabia (KSA), the UAE, Qatar, Kuwait, Oman, Bahrain, and across the Gulf. We provide sea-worthy export packing, EN 10204 3.1 / 3.2 certification, certificate of origin, and support for SABER / SASO conformity on KSA shipments.

What testing and certification is provided with the Supreme Valves Bellows & Expansion Joints?

Every valve undergoes hydrostatic shell and seat testing per API 598 / ISO 5208. Documentation includes EN 10204 3.1 MTC (3.2 on request), NDT reports, and fire-safe (API 607) or NACE MR0175 certification where applicable. Third-party inspection by TÜV, SGS, Bureau Veritas, or Lloyd's Register can be arranged.

What is the minimum order quantity and lead time for the Supreme Valves Bellows & Expansion Joints?

Order quantities are flexible -- from single units for stocked items to bulk volumes for project requirements. Lead time depends on size, material, and quantity; please contact our team with your specification for a firm delivery schedule and quotation.