Products

Clamp Type Rubber Duckbill Check Valve
1. Direct slip-on installation over un-flanged pipes — no flanges needed.
2. 100% full-elastomer construction with no mechanical parts to freeze, corrode, or wear out.
3. Heavy-duty Stainless Steel 304/316 clamp fasteners for reliable, vibration-resistant connections.
4. Unique flat bill shape for clean discharge and non-slam backflow protection.
5. Excellent tolerance for solids, slurry, and debris —seals tightly around obstructions without jamming.
6. Customizable cuff depths to prevent axial blow-off under sudden surge conditions.
7. Vulcanized multi-layer fabric reinforcement for enhanced structural durability.
8. Wide size range DN100–DN3000 (4″–120″) with custom options available on request.
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Clamp Type Rubber Expansion Joint
1. Bolt-free stainless steel clamp installation — no flange bolts, no gaskets, no torque wrenches required.
2. Compact, lightweight design for tight spaces and retrofit of existing rigid pipelines.
3. Zero thrust reaction — compensates axial/lateral movement without transferring forces to pipe anchors.
4. Compatible with multiple pipe materials: steel, PVC/CPVC, FRP, and ductile iron.
5. Bore range DN25–DN1000 for low-pressure fluid handling up to 0.4 MPa (PN4).
6. Available in EPDM and NBR with optional SS304 or SS316 clamp bands.
7. Slip-on coupling reduces installation time by up to 70% compared to traditional flanged joints.
8. Ideal for pump suction/discharge, industrial drainage, HVAC risers, and fire protection piping.
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Double Sphere Rubber Expansion Joint
1. Dual-convolution design delivers 2x axial and lateral displacement of equivalent single sphere models.
2. Absorbs up to 60 mm axial compression and 40 mm extension for large thermal movement applications.
3. Reduces noise transmission by 20–35 dB(A) — superior acoustic isolation for pump rooms and mechanical floors.
4. Handles full vacuum applications up to 700 mmHg without collapse or deformation.
5. Wide bore range DN32–DN3000 for municipal water, power plants, and industrial process pipelines.
6. Multi-standard flange compatibility: ANSI B16.5, DIN, BS, JIS, EN1092.
7. Available in EPDM, NBR, Neoprene with high-tensile synthetic cord reinforcement.
8. Tight-radius installation capable — compresses up to 30% of face-to-face length.
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Fabric Belt for Non-Metallic Expansion Joints
1. 7-layer composite fabric belt: fluororubber, SS wire mesh, PTFE diaphragms, fiberglass cloth — engineered for aggressive duct environments.
2. Two material families: silicone-coated fiberglass (up to 600°C) and fluoroelastomer (up to 1000°C) for any operating envelope.
3. Multi-directional movement absorption: axial ±50–300 mm, lateral ±30–150 mm, angular 30–40% of effective length.
4. Integrated insulation bolster (thermal pillow) protects belt core from extreme heat, high-velocity erosion, and acoustic noise.
5. Zero-permeation PTFE dual-diaphragm barrier against sulfuric acid, HCl, HF condensate — FGD and SCR compliant.
6. Engineered back-up bar clamping system with star-pattern torque sequence for uniform sealing pressure without hot-spots.
7. Tensile strength ≥2000 N/50mm with 3–5 year service life; silicone variants offer up to 10-year outdoor weather durability.
8. Covers DN100–DN5000 circular, rectangular custom, and irregular profiles — belt-type segmented delivery for access-limited sites.
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Flange Type Rubber Duckbill Check Valve
1. Passive operation — no moving parts, actuators, or external power required.
2. Non-clogging rubber duckbill matrix handles solids, sand, and slurry without jamming.
3. Silent non-slam closure eliminates water hammer and protects upstream pumping assets.
4. Zero maintenance costs — 20+ year service life with no scheduled maintenance requirements.
5. Wide size range DN100–DN2000 (4″ to 80″) for municipal and industrial applications.
6. DIN PN6/PN10 flanging with ANSI, BS10, JIS custom drilling available on demand.
7. Water-hammer attenuation reduces shock waves by 20–30%.
8. ISO-standard retrofit compatible with existing flap-type check valves — no structural modifications required.
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Hand-built Rubber Expansion Joint
1. Custom-engineered, non-molded construction for oversized diameters and non-standard piping configurations.
2. Multi-layer high-tensile synthetic cord + steel ring reinforcement for extreme pressures up to 25 Bar.
3. Full vacuum capability — ideal for condenser water boxes and suction-side installations.
4. Bore range DN200–DN4000, unlimited custom diameters and face-to-face lengths available on request.
5. Tailored elastomer liners: EPDM, NBR, Butyl, Neoprene for specific chemical resistance and temperature demands.
6. Operating temperature range –40°C to +150°C with appropriate material selection.
7. Lab-tested uniform wall thickness ensures consistent flexibility and extended service life.
8. Engineered for cooling water systems, desalination plants, mining slurry, and chemical processing.
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Heavy-Duty Dismantling Joint (Type C2F)
1.Double-flanged power transmission and restraint joint designed for pump, valve, and equipment connections requiring secure thrust restraint and length adjustment.
2.High-tensile Grade 8.8 tie rods (hot-dip galvanized or A4 stainless steel) prevent pipe pull-out under pressure thrust loads.
3.Conical EPDM or NBR rubber gasket delivers uniform circumferential compression and zero-leak service across all pressure ratings.
4.Quick-adjust design allows valve installation and removal without pipe cutting — create withdrawal clearance by retracting the movable sleeve.
5.DN50–DN4000 (2″–160″) with PN10–PN40 / Class 150–300 pressure ratings and Ductile Iron or Carbon Steel body.
6.WRAS-approved Fusion-Bonded Epoxy (FBE) coating (≥250μm) for potable water service and buried pipeline installation.
7.Installed length adjustment range of ±15–25mm compensates for pipe misalignment, thermal expansion, and installation tolerance accumulation.
8.Full restraint design transfers thrust loads directly to the tie rods and anchor flanges — no pipe shoulder reliance required.
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Heavy-Duty Dredge Discharge & Suction Hose
1. Heavy-duty flexible discharge and suction hose optimized for harsh marine dredging environments.
2. Ultra abrasion-resistant NR/BR/SBR rubber compound lining proven 4x more wear resistant than steel pipe.
3. Reinforced multi-layer skeleton with helix steel wire framework prevents kinking under full vacuum suction.
4. Marine grade outer cover resists UV radiation, ozone degradation, and seawater corrosion.
5. Wide operating temperature range from -20°C to +80°C suitable for arctic to tropical deployments.
6. High pressure capability up to 30 Bar working pressure with safety factor 3.1 or 4:1.
7. Large diameter range from 150mm to 1200mm (6″ to 48″) ID with standard 1–3 meter lengths.
8. Ideal for port dredging, river cleaning, sand reclamation, mining slurry transport, and offshore operations.
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High-Performance Round Duct Expansion Joint
1. Premium circular round rubber expansion joint engineered for low-pressure gas pipelines and air blower networks.
2. Exceptional vibration isolation targeting 10Hz-100Hz frequency range from fans, blowers, and compressor equipment.
3. Multi-directional movement compensation: axial compression 50mm, extension 25mm, lateral shear, and angular rotation.
4. Artisan hand-wrapped bias-ply tire cord construction (45-54.7 degrees) far superior to mass-produced molded alternatives.
5. Chemical resistant inner liner options: Chlorobutyl standard, FKM/Viton for acid service up to 204°C, EPDM, Neoprene, Nitrile.
6. Massive diameter range DN100-DN4000 (4″-160″) with zero leakage integral full-face rubber flange design.
7. Vacuum service option with integrated solid steel wire helix prevents deformation and collapse.
8. Ideal for FD/ID fans, FGD systems, SCR units, cement plant ducts, steel mill extraction, and HVAC ventilation.
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