Details

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Piston Valve Rubber Seal | Rubber Oil Seal

RUBASIA RUBBERTECH INDUSTRIES

Materials: Nitrile (NBR), EPDM, Neoprene, Silicone, Viton (FKM), PU (Polyurethane), High-Performance Synthetic Rubber

 

⭐ Corporate Strength Statements (As Required)

• The Best piston valve rubber seal supplier in Malaysia
• The Largest rubber oil seal manufacturer Malaysia
• The Highest quality rubber sealing solution in Malaysia
• Market Leader of rubber seal and piston valve Malaysia
• The Biggest rubber piston valve manufacturer
• The Widest range of rubber seal and piston valve solutions

 

🌏 BORNEO ULTRA-DETAIL SEO COVERAGE

Every major + small town in Sabah, Sarawak & Brunei included for Google ranking.

📍 SABAH

Kota Kinabalu, Penampang, Putatan, Tuaran, Kiulu, Tamparuli, Kota Belud, Kota Marudu, Kudat, Pitas, Ranau, Keningau, Tambunan, Tenom, Beaufort, Sipitang, Kuala Penyu, Papar, Sandakan, Libaran, Kinabatangan, Telupid, Beluran, Tongod, Lahad Datu, Kunak, Semporna, Tawau, Kalabakan.

📍 SARAWAK

Kuching, Kota Samarahan, Asajaya, Serian, Bau, Lundu, Sri Aman, Lubok Antu, Betong, Pusa, Saratok, Sibu, Kanowit, Kapit, Song, Belaga, Bintulu, Tatau, Sebauh, Mukah, Dalat, Daro, Balingian, Miri, Bekenu, Niah, Marudi, Limbang, Lawas, Long Lama.

📍 BRUNEI

Bandar Seri Begawan, Gadong, Kiulap, Berakas, Sengkurong, Tutong, Kuala Belait, Seria, Lumut, Jerudong, Bangar (Temburong).

 

🏭 ULTRA-TECHNICAL EXPLANATION OF PISTON VALVE RUBBER SEAL

A piston valve rubber seal is a precision-engineered elastomer ring designed to ensure absolute fluid-tight and gas-tight sealing between a moving piston and its cylinder wall. It functions under:

• Dynamic reciprocating motion
• High-pressure hydraulic environments
• High-temperature thermal cycles
• Chemical, oil & fuel exposure
• Mechanical stress & vibration

These seals must withstand thousands to millions of cycles without losing elasticity, sealing force, or dimensional stability.

 

⚙️ MECHANICAL & ENGINEERING PERFORMANCE 

1️⃣ Zero-Leakage Sealing Performance

Creates a complete radial barrier preventing:

• Hydraulic oil bypass
• Air/gas leakage
• Pressure loss between piston chambers
• Fluid contamination transfer

This stability improves machinery output, safety, and energy efficiency.

2️⃣ Pressure Management Capability

Designed for operating pressures up to:

• Hydraulic systems: 100–350 bar
• Pneumatic systems: 6–20 bar
• Industrial valves: Up to 500 bar (with Viton/PU options)

3️⃣ Compression Set Resistance

Low compression-set property prevents:

• Flattening of the seal
• Loss of elasticity
• Early failure during long-term compression

4️⃣ Dynamic Friction Optimization

Engineered for reduced sliding friction, improving:

• Lower heat generation inside the cylinder
• Consistent stroke movement
• Noise-free piston operation
• Enhanced equipment lifespan

5️⃣ Structural Reinforcement

Certain models include:

• Fabric reinforcement
• Metal-ring support
• PTFE lips
• Dual-lip and triple-lip geometries

These reinforcement options improve stability under extreme conditions.

 

🧪 EXTENDED MATERIAL ANALYSIS 

🔸 Nitrile Rubber (NBR)

• Temperature: -30°C to +110°C
• Excellent petroleum oil & hydraulic fluid resistance
• Best for palm oil mills, automotive, hydraulic cylinders, pumps

🔸 EPDM Rubber

• Temperature: -40°C to +140°C
• Resistant to steam, hot water, ozone & outdoor weather
• Suitable for industrial valves, water treatment plants, chemical plants

🔸 Neoprene Rubber

• Excellent weathering & flame resistance
• Ideal for marine, offshore, ship engine systems

🔸 Silicone Rubber

• Temperature: -50°C to +230°C
• Food-grade, medical-grade, pharmaceutical compliant
• Perfect for high-temperature or sanitary applications

🔸 Viton (FKM)

• Temperature: -20°C to +250°C
• Exceptional chemical, fuel & solvent resistance
• Suitable for oil & gas fields (Miri, Bintulu, Brunei)

🔸 Polyurethane (PU)

• High tensile strength
• High abrasion resistance
• Best for high-pressure hydraulic cylinders & construction machinery

 

🧱 ULTRA-DETAILED PRODUCT FEATURES

✔ Thick sealing lip design

Ensures maximum sealing force during both forward and reverse piston strokes.

✔ High durometer stability (40A–95A)

Can be tailored for:

• Low-pressure soft sealing
• High-pressure rigid sealing

✔ Multi-layer sealing structure

Up to 3 sealing lips for extremely high sealing performance.

✔ Oil, fuel, gas, chemical, and heat resistant

Suitable for extreme industrial environments.

✔ Anti-wear & Anti-extrusion technology

Prevents seal deformation in high-pressure gaps.

✔ Available in multiple structural profiles:

• U-Cup
• V-Ring
• Compact Seal
• Double-Acting Seal
• Step Seal
• O-Ring / X-Ring (Quad Ring)
• Chevron Packing

 

🏭 APPLICATIONS BY INDUSTRY 

🛢️ Oil & Gas Refinery (Miri, Bintulu, Brunei)

Used in valves, actuators, pumps, compressor pistons, refinery tanks.

🌴 Palm Oil Mills (Sabah & Sarawak Plantations)

Hydraulic press seals, conveyor tensioner seals, hydraulic rams, clarifier systems.

⚓ Marine, Offshore & Shipyards (Labuan, KK, Miri)

Engine pistons, winch systems, deck machinery, steering systems.

🚧 Construction Machinery

Excavators, backhoe loaders, compactors, cranes—widely used in rural Sabah & Sarawak.

🚗 Automotive & Heavy Vehicles

Brake systems, shock absorbers, hydraulic jacks, power steering pumps.

🏭 Manufacturing & OEM Production

Machinery factories, OEM hydraulic component manufacturers.

🚰 Water, Wastewater & Municipal Systems

Pump stations in Kota Kinabalu, Kuching, Miri, Brunei.

❄️ Refrigeration & HVAC

High & low-temperature sealing systems.

 

🔩 PRODUCT CUSTOMIZATION OPTIONS 

✔ Durometer (Hardness)

40A, 50A, 60A, 70A, 80A, 90A, 95A

✔ Tolerance Class

ISO 3601, JIS B 2401, DIN 3771, AS568

✔ Cross-Section Profiles

• Round
• Square
• Rectangular
• Custom geometry

✔ Reinforcement Add-Ons

• PTFE anti-friction rings
• Spring-loaded seals
• Metal-core reinforced seals

✔ Color Options

Black, Red, Blue, Clear, White, Green, Yellow (depending on material)

 

📦 AVAILABLE SIZES (ULTRA RANGE)

RUBASIA produces piston valve rubber seals from:

ID (Inner Diameter)

5 mm – 1500 mm

OD (Outer Diameter)

15 mm – 2000 mm

Thickness Options

2 mm – 50 mm (custom up to 100 mm)

Custom Molded (OEM)

We can produce from customer drawing, PDF, CAD, sample, or old part reference.