/* ===== BLOCK 2 ===== */
.tt-dose-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-dose-header {
text-align: center; max-width: 780px; margin: 0 auto 60px;
}
.tt-dose-header h2 {
font-size: clamp(28px, 3.5vw, 44px); font-weight: 900;
color: #0a2a5e; margin: 0 0 16px; letter-spacing: -0.5px;
}
.tt-dose-header p {
font-size: 16px; color: #6b7a90; line-height: 1.8; margin: 0;
}
.tt-dose-grid {
display: grid; grid-template-columns: repeat(3,1fr); gap: 28px;
}
.tt-dose-card {
background: #ffffff; border-radius: 22px; overflow: hidden;
box-shadow: 0 12px 40px rgba(10,42,94,0.08);
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display: flex; flex-direction: column;
}
.tt-dose-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-dose-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-dose-card:hover .tt-dose-img { transform: scale(1.08); }
.tt-dose-body { padding: 28px 24px; flex: 1; display: flex; flex-direction: column; }
.tt-dose-brand {
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.tt-dose-body h3 {
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margin: 0 0 12px; line-height: 1.3;
}
.tt-dose-specs {
list-style: none; padding: 0; margin: 0 0 18px; flex: 1;
}
.tt-dose-specs li {
font-size: 13px; line-height: 1.8; color: #6b7a90;
padding-right: 16px; position: relative;
}
.tt-dose-specs li::before {
content: "▸"; position: absolute; right: 0; color: #0878e8;
font-weight: 700;
}
.tt-dose-specs li strong { color: #0a2a5e; font-weight: 700; }
.tt-dose-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-dose-card:hover .tt-dose-link { gap: 14px; color: #16c9ff; }
.tt-reveal {
opacity: 0; transform: translateY(50px);
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}
.tt-reveal.tt-visible { opacity: 1; transform: translateY(0); }
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@media (max-width: 600px) {
.tt-dose-cats { padding: 60px 0; }
.tt-dose-grid { grid-template-columns: 1fr; gap: 20px; }
.tt-dose-img { height: 180px; }
}
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DOSING SYSTEM CATEGORIES
Pumps, Controllers & Generators
Six categories of dosing equipment — each with verified specifications from Lenntech's official datasheets.
GRUNDFOS · DDA
DDA SMART Digital Dosing
- Capacity range: 7.5–30 l/h
- Pressure: 4–16 bar
- Turn-down ratio: up to 1:3000
- Motor: Variable-speed stepper motor
- Diaphragm: Full-PTFE, universal chemical resistance
- Control: Manual, pulse, analog 0/4–20 mA, batch
GRUNDFOS · DDC
DDC Digital Dosing
- Capacity range: 9–15 l/h
- Pressure: 4–7 bar
- Control cube: 3-position mounting (front/left/right)
- Display: Graphical LC, multi-colour backlit
- Menu language: 20+ languages
- FlowControl: Maintenance-free, detects air bubbles
GRUNDFOS · DDE
DDE Digital Dosing
- Capacity range: 6–15 l/h
- Pressure: 4–10 bar
- AutoFlowAdapt: Auto-adjusts to varying backpressure
- Click-stop mounting plate: 3 positions, no tools
- SlowMode: 2 steps (50% / 25% flow)
- Application: High-viscosity / degassing liquids
PROMINENT · GAMMA
Gamma GXLa Series
- Models: GXLa 0730 / 1612 / GMXa 0424
- Strokes/min: 200
- Discharge max: 27.5 l/h (0730), 12 l/h (1612), 19.2 l/h (0424)
- Max pressure: 7 bar (0730), 16 bar (1612), 4 bar (0424)
- Type: Self-bleeding dosing head
- Control range: 1:40,000
SEKO · NEXA / SPRING
SEKO Nexa & Spring PS2
- Nexa: 32 l/h, 40 bar, 0.55 kW, 94 strokes/min
- Spring PS2: 250 l/h, 10 bar, 0.75 kW, 58 strokes/min
- K2 Series: 40–1000 l/h, up to 10 bar
- Housing: IP55
- Diaphragm: PTFE, 5-year working life
- Application: Water treatment, chemical dosing
PROMINENT · DULCOMETER / ClO₂
Controllers & ClO₂ Generators
- DULCOMETER: pH, redox, conductivity, chlorine, ClO₂
- Digital inputs: Up to 24 (8 per device)
- Relay outputs: Up to 18
- ClO₂ generation: Up to 150 g/h
- ClO₂ concentration: 0.2–2.5 mg/L
- ClO₂ flow rate: Up to 100 m³/h