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Golden Steel Material is a premier ISO-certified stockist based in Al Jubail. We supply high-performance pipes, fittings, valves, and flanges to the Oil & Gas and Industrial sectors across Saudi Arabia and the GCC.

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Diaphragm Valves Supplier in Saudi Arabia

Diaphragm Valves

Diaphragm Valves
Design Standards: MSS SP-88, ASME B16.34, BS 5156, ISO 7121
Valve Types: Weir Type, Straight-Through, Full Bore
Body Materials: Ductile Iron, Cast Steel, Stainless Steel (316L)
Body Lining: PFA, ETFE, Hard/Soft Rubber, Glass, Ebonite
Diaphragm Materials: PTFE, EPDM, Butyl, Nitrile, Viton, Natural Rubber
Pressure Ratings: Class 125# to 150#, PN10 to PN16
End Connections: Flanged, Screwed, Butt-weld, Tri-Clamp (Sanitary)
Operation: Handwheel, Pneumatic Actuator, Electric Actuator
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Diaphragm Valves are uniquely engineered flow control solutions that utilize a flexible diaphragm to separate the valve’s operating mechanism from the process media. This design ensures a leak-proof seal and eliminates the risk of stem leakage or product contamination, making them the industry standard for high-purity, corrosive, and abrasive applications. Whether in the weir-type configuration for precise throttling or the straight-through design for unimpeded flow of slurries, these valves provide exceptional durability in environments where traditional valves might fail due to clogging or chemical attack.

Our diaphragm valves are manufactured to comply with MSS SP-88, BS 5156, and ASME B16.34 standards, offering a wide array of lining options such as PFA, ETFE, and Hard Rubber to withstand aggressive chemical services. The selection of diaphragm materials—including PTFE, EPDM, and Viton—ensures compatibility with diverse temperatures and media. Featuring a cavity-free interior, these valves are widely utilized in pharmaceutical, food processing, and water treatment facilities across Saudi Arabia, providing a hygienic and easy-to-maintain solution for critical process control.



Diaphragm Valves Features

  • » Hermetic Stem Sealing: The flexible diaphragm provides a completely leak-proof seal that isolates the working parts from the process media, eliminating the need for traditional stem packing.
  • » Contamination-Free Operation: Features a smooth, cavity-free interior that prevents the entrapment of media, making it the preferred choice for sterile applications in food, beverage, and pharmaceuticals.
  • » Superior Corrosion Resistance: Available with a wide variety of high-performance linings (PFA, ETFE, Hard Rubber) to handle the most aggressive acids and chemical compounds safely.
  • » Slurry and Solid Handling: The straight-through body design allows for the unimpeded flow of viscous fluids, sludges, and abrasive slurries without clogging or damaging the valve internals.
  • » Precise Throttling Capability: The weir-type design offers excellent control characteristics for manual or automated flow regulation in low-pressure systems.
  • » In-Line Maintenance: Designed for "top-entry" maintenance, allowing the diaphragm to be replaced quickly without removing the entire valve body from the pipeline.
  • » Bi-Directional Flow: Capable of managing flow in either direction with equal sealing efficiency, providing greater flexibility in complex piping layouts.
  • » Minimal Friction Loss: The straight-through variant provides a full-bore opening that ensures minimal pressure drop and maximizes flow efficiency for high-volume transfer.

Diaphragm Valves Specification

Design Standards

  • Design: MSS SP-88, BS 5156, ASME B16.34
  • Face-to-Face: MSS SP-88 / EN 558-1
  • Flange: ASME B16.5, EN 1092-1
  • Testing: MSS SP-88 / API 598

Pressure & Size

  • Pressure Class: Class 125# to 150#
  • Working Pressure: PN10 to PN16 (150 PSI)
  • Size Range: 1/2" to 12" (DN15 to DN300)
  • Vacuum: Suitable for full vacuum service

Lining & Materials

  • Body: Ductile Iron, WCB, SS 316L
  • Lining: PFA, ETFE, Hard/Soft Rubber
  • Specialty: Glass Lining, Ebonite, Unlined
  • Casting: Precision investment casting

Diaphragm Types

  • Elastomer: EPDM, Butyl, Nitrile, Viton
  • Plastic: PTFE with EPDM backing
  • Temp Range: -30°C to +175°C (Material dependent)
  • Durability: High-cycle life reinforced designs

Configurations

  • Patterns: Weir Type / Straight-Through
  • Bonnet: Sealed (Environmental) / Standard
  • Ends: Flanged, Screwed, BW, Tri-Clamp
  • Stem: Rising / Non-Rising with Indicator

Drive Options

  • Manual: Handwheel (Lockable options)
  • Actuation: Pneumatic (DA/SR), Electric
  • Control: Positioners, Limit Switches
  • Safety: Fail-safe open/close functionality

Diaphragm Valves Detailed Specifications

Valve Type Specifications/Description
Rubber Lined Diaphragm Valve Designed to handle corrosive and abrasive fluids with a flexible rubber diaphragm for a tight seal.
Pneumatic Cylinder Operated Diaphragm Valve Utilizes compressed air for quick and efficient control, allowing for automated operations.
PTFE Lined Diaphragm Valve Ideal for chemical applications, providing excellent resistance to corrosive substances.
FEP Lined Diaphragm Valve Offers enhanced chemical resistance and durability for harsh environments.
PFA Lined Diaphragm Valve Similar to FEP, provides high resistance to chemicals and is used in critical applications.
SG Iron Diaphragm Valve Constructed from spheroidal graphite iron, suitable for demanding applications.
Ductile Iron Diaphragm Valve Offers excellent strength and resilience, suitable for various operating conditions.
Cast Iron Diaphragm Valve Commonly used for heavy-duty operations with robust construction.
Epoxy Coated Diaphragm Valve Resists corrosion and prolongs service life, ideal for various applications.
Screwed Diaphragm Valve Provides flexibility in installation, with threaded connections for easy assembly.
Flanged Ends Diaphragm Valve Designed with flanged ends for secure and reliable connection to piping systems.
Electric Diaphragm Valve Enables remote operation and precise control over fluid flow using electric actuators.
Pneumatic Diaphragm Valve Actuators Operated Features pneumatic actuators for remote and automated fluid control.
PVC, UPVC, PVDF Diaphragm Valve Lightweight and resistant to chemical attack, suitable for water treatment and other applications.
Ductile Iron ASTM A536 Grade 60-40-18 Diaphragm Valve Combines the benefits of ductile iron with high-strength properties, reliable for industrial processes.

Industrial Locations & Keywords

Industrial Locations & Keywords
Riyadh Industrial Cities (1st, 2nd, 3rd & Sudair)
Jeddah Industrial Cities (1st, 2nd & 3rd)
Dammam Industrial Areas (1st, 2nd & 3rd)
Jubail Industrial City
Yanbu Industrial City
Rabigh Industrial City
Al Khobar Industrial Area
Al Ahsa Industrial City
Madinah Industrial City
Makkah Industrial City
Taif Industrial City
Tabuk Industrial City
Jazan Industrial City
Industrial supplier in Saudi Arabia
Pipe fittings supplier in Jubail / Dammam / Riyadh
Flange and valve supplier Saudi Arabia
Fast delivery industrial materials KSA
Global Footprint

We Supply To 60+ Countries

UAE UAE
Saudi Arabia Saudi Arabia
USA USA
UK UK
Germany Germany
India India
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Spain Spain
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South Korea S. Korea
Malaysia Malaysia
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Netherlands Netherlands
Turkey Turkey
UAE UAE
Saudi Arabia Saudi Arabia
USA USA
UK UK
Germany Germany
India India
Italy Italy
France France
Spain Spain
Brazil Brazil
South Africa South Africa
Russia Russia
Japan Japan
South Korea S. Korea
Malaysia Malaysia
Singapore Singapore
Netherlands Netherlands
Turkey Turkey