Leading Manufacturer & Exporter of
Slip On Flanges to Malaysia
Werner Flanges stands as a premier slip on flanges supplier in Malaysia, serving the nation's dynamic industrial landscape with precision-engineered piping solutions since 1989. As a certified manufacturer and exporter, we deliver high-quality slip on flanges compliant with ASME B16.5, ASME B16.47, and MSS SP-44 standards to industries across Kuala Lumpur, Johor Bahru, Penang, Kuantan, and other major industrial hubs throughout Peninsular and East Malaysia.
Our slip on flanges are manufactured using advanced forging techniques and premium-grade materials including Carbon Steel (ASTM A105, A350 LF2), Stainless Steel (304, 304L, 316, 316L, 321), Alloy Steel (F11, F22, F91), and Duplex/Super Duplex grades (F51, F53, F55). Each flange undergoes rigorous quality testing to ensure dimensional accuracy, mechanical integrity, and compliance with international standards required by Malaysia’s oil and gas, petrochemical, and palm oil processing industries.
Malaysia’s strategic position as Southeast Asia’s industrial powerhouse demands reliable piping components that can withstand demanding applications in PETRONAS facilities, palm oil refineries, semiconductor manufacturing plants, and LNG terminals. Our slip on flanges are engineered to meet these exacting requirements, offering easy installation, cost-effectiveness, and proven performance in both onshore and offshore applications.
We supply slip on flanges in all pressure classes from 150# to 2500#, with sizes ranging from ½” to 60″ NPS. Our manufacturing facility is ISO 9001:2015 certified, and we maintain comprehensive material traceability from raw material sourcing through final inspection. Every shipment to Malaysia includes complete documentation packages featuring Material Test Certificates (MTC) 3.1/3.2, dimensional inspection reports, PMI test certificates, and heat treatment charts.
With our streamlined logistics network and partnerships with major Malaysian ports including Port Klang, Port of Tanjung Pelepas, and Penang Port, we ensure reliable delivery timelines of 18–25 days for sea freight and 5–7 days for expedited air shipments. Our technical team provides comprehensive support for material selection, flange specification, and application engineering to ensure optimal performance in your critical piping systems.
Malaysia Flange Supply & Logistics | 18–25 Days Sea Freight | 5–7 Days Air Delivery | Technical Engineering Support
Specifications
| Specification | Details |
|---|---|
| Pressure Rating | Class 150 to Class 2500 |
| Flange Type | Plate Flange |
| Facing Type | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ) |
| Size Range | ½” to 24” (DN 15 to DN 600) |
| Temperature Range | -29°C to +593°C (Depending on Material & Pressure Class) |
| Applications | Oil & Gas, Petrochemical, Power Generation, Water Treatment, Marine & Industrial Sectors |
| Manufacturing Process | Forged / Machined |
| Certification | EN 10204 3.1 / 3.2, IBR, NACE MR0175 / ISO 15156 (as applicable) |
Matel and Grade
| Type of Materials | Common Specifications / Customization Available on Request |
|---|---|
| Duplex Steel | ASTM/ASME A182 F51, F60, F61, UNS S31803, UNS S32205 |
| Super Duplex Steel | ASTM/ASME A182 F53, F55, UNS S32750, UNS S32760, F44 (6Mo) |
| Stainless Steel | ASTM/ASME A182 F304, F304L, F316, F316L, F310, F317L, F321, F347 |
| Carbon Steel | ASTM A105, A350 LF1, LF2, LF3, A266 Class 1/2, A694 F42 to F70, A765 Gr. II |
| Alloy Steel | ASTM/ASME A182 F1, F5, F9, F11, F12, F22 |
| Non-Ferrous Alloys | Titanium, Brass, Admiralty Brass, Copper Nickel, Nickel Alloys, Hastelloy |
| Titanium | ASTM/ASME B381 Gr.1, Gr.2, Gr.5, Gr.7, Gr.12, Gr.16 |
| Copper Nickel | ASTM B151 UNS C70600 (Cu-Ni 90/10), C71500 (Cu-Ni 70/30) |
| Brass, Al-Brass | ASTM B152 UNS C26000, C27200, C28000; ASTM B111 for Al-Brass |
| Nickel Alloys | ASTM B160, B161, B564 – UNS N02200, N02201, N04400, N08800, N08825, N06600, N06601, N06625, Monel K500 |
| Alloy 20 | ASTM B462 UNS N08020 |
| Hastelloy | ASTM B564 UNS N10276 (Hastelloy C276), N06022 (Hastelloy C22) |
| Cladded Materials | ASTM B898, B265, B424 or custom explosion/clad bonding using dissimilar metals |
| Titanium-Steel, Nickel-Steel, Titanium-Copper, Stainless Steel-Carbon Steel, Bimetallic/Trimetallic Combinations |
Types of Flanges
| Slip On Flanges | Raised Face Slip On Flanges | Flat Face Slip On Flanges | RTJ Slip On Flanges | Forged Slip On Flanges |
| Plate Slip On Flanges | Industrial Slip On Flanges | High Pressure Slip On Flanges | ASME B16.5 Slip On Flanges | ANSI Slip On Flanges |
Industries and Applications We Supply
| Industry | Applications |
|---|---|
Oil & Gas Industry |
Malaysia’s oil and gas sector, dominated by PETRONAS and international operators, relies extensively on slip on flanges for moderate-pressure piping applications. Upstream Applications:
Midstream Applications:
Downstream Applications:
Slip on flanges in Class 150# and 300# carbon steel dominate these applications, offering cost-effective solutions for pressures up to 740 PSI while meeting PETRONAS material specifications and ASME B31.3 piping code requirements. |
Palm Oil Processing Industry |
|
Chemical & Petrochemical Processing |
The Gebeng Petrochemical Complex in Pahang, BASF Petronas operations in Kuantan, and specialty chemical producers throughout Malaysia utilize slip on flanges extensively. Applications:
Material selection depends on chemical compatibility: stainless steel 316L for corrosive services, duplex F51 for chloride environments, and carbon steel for non-corrosive chemicals. Slip on flanges provide economical solutions for Class 150# and 300# applications where frequent maintenance access is required. |
|
Malaysia’s expanding urban infrastructure and industrial development drive demand for water treatment components. Municipal Water Supply:
Industrial Wastewater:
Desalination Plants:
Carbon steel and 316L stainless steel slip on flanges serve most municipal water applications, with duplex grades for coastal desalination facilities exposed to seawater. |
Frequently Asked Questions (FAQs)
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Q1: What is the difference between Slip On Flanges and Weld Neck Flanges, and which should I choose for my Malaysian application?
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Slip On Flanges allow the pipe to slip inside the flange bore before welding, requiring two fillet welds (inside and outside). Weld Neck Flanges have a tapered hub and use a single butt weld. For Malaysian applications:
- Slip On Flanges: Class 150# and 300# applications in palm oil processing, water treatment, general industrial piping, and moderate-pressure systems. More cost-effective and easier to install.
- Weld Neck Flanges: High-pressure applications (600# and above) in Petronas facilities, offshore platforms, high-temperature steam systems, and critical process piping where superior stress distribution is essential.
For most Malaysian industrial applications including palm oil mills, chemical plants, and utility systems, Slip On Flanges in Class 150#/300# provide adequate performance at lower cost.
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Q2: What material should I specify for Slip On Flanges in Malaysia’s tropical climate?
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Material selection depends on application:
- Carbon Steel ASTM A105: Standard choice for 80% of Malaysian applications. Cost-effective, suitable for non-corrosive services. Apply proper coating for outdoor installations in Malaysia’s humid climate.
- Stainless Steel 316L: Coastal installations near Port Klang, Penang, or offshore platforms where salt spray and marine corrosion are concerns. Also for food-grade palm oil refining and pharmaceutical applications.
- Duplex F51 / Super Duplex F53: Essential for offshore oil and gas platforms, seawater injection systems, and high-chloride chemical processing in Gebeng Petrochemical Complex.
- Alloy Steel F11/F22: Required for high-temperature applications in Petronas refineries and power plant boiler systems.
Our technical team can provide specific material recommendations based on operating conditions, temperature, pressure, and fluid composition.
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Q3: Do your Slip On Flanges comply with Petronas material specifications and Malaysian standards?
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Yes, our Slip On Flanges are manufactured in strict accordance with:
- ASME B16.5: Dimensional and pressure-temperature standard
- ASME Section VIII: Pressure vessel flange requirements
- ASME B31.3: Process piping code compliance
- Petronas Technical Standards: Material and testing requirements for Malaysian oil and gas sector
- NACE MR0175 / ISO 15156: For sour gas service applications
Third-party inspection is available from SIRIM QAS, TÜV Süd, DNV, Lloyd’s Register, Bureau Veritas, or SGS. Documentation includes EN 10204 3.1 Material Test Certificates acceptable to Petronas procurement.
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Q4: Can you provide Slip On Flanges with RTJ (Ring Type Joint) facing for offshore applications?
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Yes, we manufacture Slip On Flanges with RTJ groove configurations for high-pressure offshore applications in Malaysian waters. RTJ facing options include:
- R-type grooves: Oval or octagonal cross-section ring gaskets
- RX-type grooves: Pressure-energized design
- BX-type grooves: Extreme high-pressure applications
RTJ Slip On Flanges are commonly specified in Duplex Stainless Steel (F51) or Super Duplex (F53/F55). While RTJ facing is more common with Weld Neck Flanges for critical service, we can provide precision-machined RTJ grooves on Slip On designs when required.
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Q5: Do you offer technical support for flange selection and installation in Malaysia?
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Yes, we provide comprehensive technical support:
Pre-purchase support:- Material selection based on service conditions (temperature, pressure, fluid)
- Pressure class determination
- Facing type recommendations (RF, FF, RTJ)
- Gasket and bolt specification assistance
- ASME B16.5 compliance verification
Installation guidance:
- Weld procedure recommendations
- Pre-heating and post-weld heat treatment
- Bolt torque specifications
- Gasket installation best practices
- Flange alignment procedures
Post-delivery support:
- Documentation interpretation
- Material certificate verification
- Technical query resolution
- Replacement part cross-referencing
Our technical team is available via email, phone, and WhatsApp during Malaysian business hours (GMT+8) to support projects in Kuala Lumpur, Johor, Penang, and throughout Malaysia.
