Covna Stark

11/12/2025

This looks fantastic!

08/12/2025

💧 Upgrade Your RO System with High-Flux LP-4040 Membranes.

Looking for reliable replacements? Stark Water brings you 20 years of expertise with our model STK-LP4040.

Technical Highlights: 🔹 5L/min Flow Rate: Higher output, faster tank filling. 🔹 99.2% Salt Rejection: Ensuring premium water quality. 🔹 0.9 MPa Operation: Lower energy consumption, extended pump life.

⚠️ Inventory Update: We currently have 100 units IN STOCK ready for same-day shipping.

👇 Click the link below to view full specs & bulk pricing:

🔗 Details: https://stark-water.com/blog/in-stock-4040-ro-membrane-sale/
💬 Quick Question? WhatsApp：+8618520151000 📩 Inquiries: [email protected]

05/12/2025

🚨 STOCK ALERT: NO LEAD TIME! 🚨

Why wait 4 weeks for production when you can ship TODAY?

We have secured a spot inventory of 100 Units of Stark LP-4040 RO Membranes. They are packed, crated, and ready for immediate dispatch. 📦✈️

Performance Specs: ✅ High Flux: 5L/min output (Boost your production) ✅ High Purity: 99.2% Salt Rejection Rate ✅ Energy Saving: Operates at just 0.9 MPa

⚡ Offer: Buy 10+ units and get our exclusive BULK DISCOUNT.

⏳ Stock is moving fast. First come, first served.

👇 Check Price & Lock Your Order: Message Zora on WhatsApp: https://api.whatsapp.com/send/?phone=8618520151000 Or visit: https://stark-water.com

27/11/2025

COVNA STARK supplies high-quality FRP water tanks designed for long-term, safe, and clean water storage.
✅ Lightweight and easy to install
✅ Anti-rust and UV resistant
✅ Custom size & volume available
✅ Ideal for factories, hotels, and water treatment systems
📲 WhatsApp: +86 18520151000 | ✉️ [email protected]
Contact us today for specifications and best price!

27/11/2025

🦃 Happy Thanksgiving from COVNA STARK!

Today we simply want to say THANK YOU to all the distributors, OEM partners and engineering teams who have trusted us with their water projects.

Your support has helped our stainless steel filters and tanks reach more factories, plants and systems around the world – from RO pre-treatment to industrial process water and storage tanks.

To give something back, our Thanksgiving Promotion on stainless steel products is still running this week:

🔹 Cartridge filter housings – SS304 from USD 47
🔹 Bag filter housings – SS304 from USD 175
🔹 FRP-replacement stainless steel tanks – SS304 from USD 63.33

📅 Offer valid until November 30th – a good chance to prepare your 2026 inventory and project tenders with better pricing.

If you’d like the full stainless steel product price list or a project quotation, feel free to reach out anytime 👇

📩 [email protected]
💬 WhatsApp: +86-18520151000
🌐 stark-water.com

Wishing you and your families a warm, safe and happy Thanksgiving. 🧡

26/11/2025

COVNA STARK Year-end promotion,
don't miss it when you pass by.😘

26/11/2025

26/11/2025

🦃 Thanksgiving countdown for distributors & OEMs!

There are only a few days left to lock in COVNA STARK’s Thanksgiving pricing on stainless steel filters and tanks:

🔹 Cartridge filter housings – SS304 from USD 47
🔹 Bag filter housings – SS304 from USD 175
🔹 FRP-replacement stainless steel tanks – SS304 from USD 63.33

Perfect for RO pre-treatment, sand/carbon filters, softening systems and industrial process water.

✅ Stable, export-ready quality
✅ Full stainless steel product range
✅ Support for stocking orders & OEM branding

📅 Thanksgiving offer ends on November 30th.
Use these days to prepare your 2026 inventory and project tenders with better pricing.

📩 Email: [email protected]
💬 WhatsApp: +86-18520151000
🌐 Website: stark-water.com

Comment “PRICE LIST” or send us a message to get the full stainless steel product catalogue and quotation.

25/11/2025

Looking for a reliable supplier of stainless steel filter housings and tanks?

During our Thanksgiving Promotion, COVNA STARK offers:

🔹 Cartridge filter housings – SS304 from USD 47
🔹 Bag filter housings – SS304 from USD 175
🔹 FRP-replacement stainless steel tanks – SS304 from USD 63.33

We support distributors & OEM partners worldwide with:
• Stable quality & complete product range
• Flexible MOQ for stocking orders
• Technical support for RO, UF and industrial filtration systems

📅 Promotion ends November 30th – perfect timing to prepare your 2026 inventory.

DM us or contact: [email protected] / WhatsApp +86-18520151000 to get the full price list and dealer conditions.

25/11/2025

Looking for a reliable supplier of stainless steel filter housings and tanks?

During our Thanksgiving Promotion, COVNA STARK offers:

🔹 Cartridge filter housings – SS304 from USD 47
🔹 Bag filter housings – SS304 from USD 175

We support distributors & OEM partners worldwide with:
• Stable quality & complete product range
• Flexible MOQ for stocking orders
• Technical support for RO, UF and industrial filtration systems

📅 Promotion ends November 30th – perfect timing to prepare your 2026 inventory.

DM us or contact: [email protected] / WhatsApp +86-18520151000 to get the full price list and dealer conditions.

24/11/2025

RO membrane replacement doesn’t have to be a painful trial-and-error job. 👷‍♂️💧

In this new guide, we break down a complete 9-step RO membrane replacement SOP:

✅ When to replace membranes (flow, salt rejection & ΔP triggers)
✅ Safe isolation, PPE and pre-installation checks
✅ Correct brine-seal direction, O-ring handling & loading sequence
✅ First start-up after change-out – how to avoid shocks & telescoping
✅ Storage rules for new and used elements

If you run industrial RO, DTRO or ZLD systems, this is a practical checklist you can share with your O&M team and new operators.

👉 Read the full guide: https://stark-water.com/blog/ro-membrane-replacement-installation-removal/

RO membrane replacement made simple. This practical guide explains when to replace RO membranes, 9-step installation and removal techniques, and storage tips to protect industrial RO system performance and membrane life.

24/11/2025