+P RUBASIA RUBBERTECH INDUSTRIES
ULTRA HIGH-PERFORMANCE RUBBER DIAPHRAGM MALAYSIA BORNEO MARKET LEADER
RUBASIA RUBBERTECH INDUSTRIES is Malaysia’s most complete and technologically advanced manufacturer of industrial rubber diaphragms, proudly recognised as:
- The Best Rubber Diaphragm Supplier in Malaysia
- The Largest Rubber Diaphragm Manufacturer Malaysia
- The Highest Quality Rubber Diaphragm Provider
- The Biggest Rubber Diaphragm Supplier Malaysia
- Market Leader of Rubber Diaphragm Malaysia
- The Widest Range of Rubber Diaphragm in Malaysia & Borneo
We serve industrial, mechanical, oil & gas, marine, water treatment, chemical processing, automotive, pharmaceutical, and engineering sectors across Sabah, Sarawak, Brunei, and the entire Borneo region.
WHAT IS A RUBBER DIAPHRAGM? (ULTRA ENGINEERING EXPLANATION)
A rubber diaphragm is a flexible elastomeric membrane, precision-engineered to:
- Act as a dynamic seal
- Isolate two chambers
- Prevent mixing of incompatible media
- Respond to pressure, vacuum, or hydraulic force
- Regulate fluid, air, or gas movement
- Maintain airtight and liquid-tight integrity under dynamic cycling
It is a vital component in pressure control, flow regulation, pumping mechanisms, and industrial instrumentation.
A high-quality diaphragm must remain extremely flexible, fatigue-resistant, and chemically stable over millions of cycles, even under extreme environmental and chemical exposure.
� ULTRA DEEP TECHNICAL STRUCTURE OF RUBBER DIAPHRAGM
RUBASIA produces single-layer, multi-layer, and fabric-reinforced diaphragms.
1. Homogeneous (Single Elastomer) Diaphragm
- Made from a single rubber compound (NBR / EPDM / silicone, etc.)
- Designed for low to medium pressure
- Excellent for precision control valves, regulators, small pumps
2. Reinforced Diaphragm (Fabric Insert)
- Nylon, Polyester, Nomex, Aramid fiber reinforcements
- Provides exceptional:
- Burst strength
- Pressure resistance
- Dimensional stability
- Suitable for heavy-duty pumps, high-pressure regulators & oil & gas systems
3. Diaphragm with Bonded Metal Insert
- Metal plate bonded to diaphragm rubber
- Used in high precision response systems, mechanical controls
- Provides guaranteed mechanical alignment
4. Convoluted / Rolling Diaphragm
- Designed for long stroke movement
- Minimizes friction
- Allows extremely high cycle life (1–5 million cycles)
5. Diaphragm with Multiple Membranes
- Dual or triple elastomer layers
- Used for chemical isolation, extended durability
MATERIALS & PERFORMANCE CAPABILITIES (ULTRA TECHNICAL)
RUBASIA Rubber Diaphragms are manufactured from high-grade elastomers:
NBR (Nitrile) Rubber Diaphragm
- Superior resistance to:
- Petrol
- Diesel
- Hydraulic oil
- Industrial lubricants
- Kerosene
- Temperature: –30°C to +100°C
- Used in fuel systems, metering pumps, automotive components
EPDM Diaphragm
- Ideal for:
- Water
- Steam
- Chemicals
- UV exposure
- Ozone
- Temperature: –40°C to +150°C
Neoprene (CR) Diaphragm
- Excellent for:
- Outdoor equipment
- Marine applications
- Moderate oils
- Weathering
- Temperature: –35°C to +110°C
Silicone Rubber Diaphragm
- Safe for:
- Food processing
- Medical
- High-heat environments
- Temperature: –60°C to +230°C
Viton (FKM) Diaphragm
- Premium-grade with resistance to:
- Strong acids
- Solvents
- Hydrocarbons
- High heat
- Temperature: –20°C to +250°C
Fluorosilicone Diaphragm
- Extreme chemical resistance
- Used in aerospace-grade systems
Fabric Reinforcements
- Nylon (standard)
- Polyester (high strength)
- Nomex (heat-resistant)
- Kevlar / Aramid (extreme duty)
KEY ENGINEERING FUNCTIONS OF RUBBER DIAPHRAGM (ULTRA DETAIL)
1. Sealing Function
- Provides bubble-tight sealing
- Prevents leakage between chambers
- Stops cross-contamination of gases, fluids, chemicals
2. Pressure Regulation
- Responds accurately to:
- Pressure increases
- Vacuum changes
- Pulse fluctuations
- Used in hydraulic and pneumatic regulation
3. Controlled Flex Movement
- Enables mechanical action in:
- Pumps
- Actuators
- Valves
- Controllers
4. Chemical Isolation
- Separates corrosive or reactive chemicals
- Extends equipment lifespan
5. Thermal Stability
- Operates in extreme heat, cold, humidity
- Essential for Borneo environments (hot, humid, coastal)
6. Fatigue Resistance
- Designed for hundreds of thousands to millions of cycles
- Prevents cracking, blistering, delamination
7. Vibration Absorption
- Reduces vibration transfer between mechanical components
8. Dimensional Stability
- Maintains consistent thickness and shape under stress
ULTRA-DETAILED APPLICATIONS (FULL ENGINEERING SCOPE)
Pumps (Diaphragm Pumps)
Used for pumping:
- Water
- Wastewater
- Chemicals
- Paint
- Sludge
- Solvents
- Fuel
- Acidic & alkaline substances
Industries:
- Palm oil mills
- Food processing
- Marine
- Construction
- Automotive
Valves & Regulators
- Solenoid valves
- Pneumatic valves
- Hydraulic regulators
- Pressure relief valves
- Backflow preventers
Automotive & Heavy Machinery
- Carburetors
- Fuel pumps
- Vacuum pumps
- Brake boosters
- Emission control components
Oil & Gas / Petrochemical
- Metering equipment
- Gas flow controllers
- Safety valves
- Fuel storage systems
Water Treatment & Utilities
- Water pressure tanks
- Chlorination and chemical dosing
- Filtration systems
Marine & Offshore
- Bilge systems
- Fuel transfer pumps
- Control valves
- Air compressor systems
Medical & Breathing Equipment
- Respirators
- Airflow regulators
- Breathing valves
- Gas flow calibration units
BORNEO MARKET OPTIMIZATION – ULTRA COMPLETE TOWN LISTING
SABAH – Every Major, Small & Rural Town
Kota Kinabalu, Tawau, Sandakan, Lahad Datu, Semporna, Kunak, Keningau, Tambunan, Tenom, Sipitang, Beaufort, Papar, Penampang, Putatan, Tuaran, Kota Belud, Kota Marudu, Kudat, Ranau, Telupid, Beluran, Tongod, Nabawan, Pitas, Kuala Penyu, Membakut, Bongawan, Inanam, Likas, Luyang, Foh Sang, Kolombong, Menggatal, Sepanggar, Kimanis, Tamparuli, Kiulu, Tenghilan, Sook, Matunggong, Kota Kinabatangan, Sukau, Sapi, Manggatal.
SARAWAK – Fully Expanded Coverage
Kuching, Petra Jaya, Batu Kawa, Kota Samarahan, Serian, Siburan, Bau, Lundu, Sematan, Asajaya, Simunjan, Sri Aman, Betong, Saratok, Kabong, Debak, Pusa, Sibu, Sungai Merah, Mukah, Dalat, Daro, Bintangor, Sarikei, Miri, Lutong, Bintulu, Tatau, Sebauh, Limbang, Lawas, Kapit, Belaga, Kanowit, Julau, Selangau, Marudi, Long Lama, Telang Usan, Baram.
BRUNEI (All Four Districts & Towns)
Bandar Seri Begawan, Muara, Tutong, Seria, Kuala Belait, Jerudong, Kiulap, Gadong, Berakas, Sengkurong, Lumut, Temburong, Bangar, RPN Lambak, Mentiri, Kilanas.
