/* ===== BLOCK 2 ===== */
.tt-uf-cats {
background: #f7fafd;
padding: 110px 0;
font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
}
.tt-container { max-width: 1180px; width: 92%; margin: 0 auto; }
.tt-section-label {
display: inline-block; font-size: 12px; font-weight: 700;
letter-spacing: 2px; text-transform: uppercase;
color: #0878e8; margin-bottom: 12px;
position: relative; padding-right: 40px;
}
.tt-section-label::before {
content: ""; position: absolute; right: 0; top: 50%;
width: 28px; height: 2px; background: #16c9ff;
}
.tt-uf-header {
text-align: center; max-width: 780px; margin: 0 auto 60px;
}
.tt-uf-header h2 {
font-size: clamp(28px, 3.5vw, 44px); font-weight: 900;
color: #0a2a5e; margin: 0 0 16px; letter-spacing: -0.5px;
}
.tt-uf-header p {
font-size: 16px; color: #6b7a90; line-height: 1.8; margin: 0;
}
.tt-uf-grid {
display: grid; grid-template-columns: repeat(3,1fr); gap: 28px;
}
.tt-uf-card {
background: #ffffff; border-radius: 22px; overflow: hidden;
box-shadow: 0 12px 40px rgba(10,42,94,0.08);
border: 1px solid rgba(10,42,94,0.06);
transition: all 0.5s cubic-bezier(0.25,0.46,0.45,0.94);
display: flex; flex-direction: column;
}
.tt-uf-card:hover {
transform: translateY(-12px);
box-shadow: 0 30px 65px rgba(8,120,232,0.18);
border-color: rgba(8,120,232,0.25);
}
.tt-uf-img {
width: 100%; height: 200px; object-fit: cover; display: block;
background: #e8f1fb;
transition: transform 0.8s cubic-bezier(0.22,1,0.36,1);
}
.tt-uf-card:hover .tt-uf-img { transform: scale(1.08); }
.tt-uf-body { padding: 28px 24px; flex: 1; display: flex; flex-direction: column; }
.tt-uf-brand {
font-size: 11px; font-weight: 700; letter-spacing: 1.5px;
text-transform: uppercase; color: #16c9ff; margin-bottom: 10px;
}
.tt-uf-body h3 {
font-size: 18px; font-weight: 800; color: #0a2a5e;
margin: 0 0 12px; line-height: 1.3;
}
.tt-uf-specs {
list-style: none; padding: 0; margin: 0 0 18px; flex: 1;
}
.tt-uf-specs li {
font-size: 13px; line-height: 1.8; color: #6b7a90;
padding-right: 16px; position: relative;
}
.tt-uf-specs li::before {
content: "▸"; position: absolute; right: 0; color: #0878e8;
font-weight: 700;
}
.tt-uf-specs li strong { color: #0a2a5e; font-weight: 700; }
.tt-uf-link {
display: inline-flex; align-items: center; gap: 8px;
font-size: 13px; font-weight: 700; color: #0878e8;
text-decoration: none; transition: gap 0.3s, color 0.3s;
padding-top: 14px;
border-top: 1px solid rgba(10,42,94,0.06);
}
.tt-uf-card:hover .tt-uf-link { gap: 14px; color: #16c9ff; }
.tt-reveal {
opacity: 0; transform: translateY(50px);
transition: opacity 0.9s cubic-bezier(0.22,1,0.36,1), transform 0.9s cubic-bezier(0.22,1,0.36,1);
}
.tt-reveal.tt-visible { opacity: 1; transform: translateY(0); }
@media (max-width: 1024px) { .tt-uf-grid { grid-template-columns: repeat(2,1fr); gap: 20px; } }
@media (max-width: 600px) {
.tt-uf-cats { padding: 60px 0; }
.tt-uf-grid { grid-template-columns: 1fr; gap: 20px; }
.tt-uf-img { height: 180px; }
}
(function(){
var els = document.querySelectorAll('#tt-uf-cats .tt-reveal');
if (!('IntersectionObserver' in window)) { els.forEach(function(e){ e.classList.add('tt-visible'); }); return; }
var obs = new IntersectionObserver(function(entries){
entries.forEach(function(entry){
if (entry.isIntersecting) {
var el = entry.target;
var delay = parseInt(el.getAttribute('data-delay') || '0', 10);
setTimeout(function(){ el.classList.add('tt-visible'); }, delay);
obs.unobserve(el);
}
});
}, { threshold: 0.12, rootMargin: '0px 0px -60px 0px' });
els.forEach(function(e){ obs.observe(e); });
})();
UF MODULE CATEGORIES
Hollow-Fiber, Spiral & MBR Modules
Six global brands — each with verified specifications from Lenntech's official datasheets.
MICRODYN-NADIR · iSep
iSep 500 Submerged UF
- Membrane chemistry: PVDF or PES
- Construction: Submerged, negative pressure
- Pore size: 0.03 micron
- Membrane area: 27.4 m² (295 ft²)
- Max feed TSS: 1,000 mg/L
- Max feed oil & grease: 100 mg/L
- Chlorine tolerance: PVDF 2,000 mg/L / PES 1,000 mg/L
MICRODYN-NADIR · ULTRADYN
ULTRADYN™ FE10 Series
- Membrane chemistry: Polyacrylonitrile (PAN)
- MWCO: 150,000 Dalton
- Hollow fiber ID: 1.4 mm
- Module area: 3.0 m² (32.3 ft²)
- Sterilizable: Up to 98°C hot water
- Applications: Wine, pure water, pharma, electronics
INGE · DIZZER
Dizzer 5000plus Multibore®
- Membrane type: Multibore® PES
- Module area: 39.9 m² (430 ft²)
- Max temperature: 41.4°C (104°F)
- Permeate connection: 2" (5.1 cm)
- Length: 168 cm (66.1 in)
- Weight: 55 kg (120 lb)
DUPONT · INTEGRATEC
IntegraTec MB 25 OP
- Membrane polymer: PVDF hollow fiber
- Pore size: 0.02 micron
- Membrane area: 25 m² (269 ft²)
- Flow rate: 4.5 m³/h (25.1 gpm)
- Max temperature: 41°C (104°F)
- pH range: 3–11
- Particle size: 300 µm
SUEZ · ZEEWEED
ZeeWeed® 700B-9060
- Membrane type: SevenBore® PES
- Membrane area: 55 m² (592 ft²)
- Bore diameter: 0.8 mm (0.03 in)
- Max operating pressure: 5 bar (72.5 psi)
- Max operating temperature: 40°C (104°F)
- Cleaning pH range: 1.0–13.0
- Weight: 24 kg (53 lbs)
3M · LIQUI-FLUX
Liqui-Flux™ W20-08N
- Membrane polymer: UltraPES (polyethersulfone)
- Capillary ID/OD: 0.8 mm / 1.2 mm
- Filtration range: 50–150 l/m²·h
- Burst pressure: ≥1200 kPa (174 psi)
- pH range: 1–13
- Operation mode: Dead-End / Cross-Flow