--- product_id: 55321405 title: "Horizontal PVC Plastic Sewage Drain Check Non-Return Valve Backwater Prevented 160mm" brand: "plumbing4home" price: "₹ 36287" currency: INR in_stock: true reviews_count: 3 category: "Plumbing4 Home" url: https://www.desertcart.in/products/55321405-horizontal-pvc-plastic-sewage-drain-check-non-return-valve-backwater store_origin: IN region: India --- # 160mm Flanged Seal Automatic Backflow Flood Protection Chemical & Heat Resistant PVC Horizontal PVC Plastic Sewage Drain Check Non-Return Valve Backwater Prevented 160mm **Brand:** plumbing4home **Price:** ₹ 36287 **Availability:** ✅ In Stock ## Summary > 🛠️ Secure your space, stop the backflow – because lower floors deserve VIP protection! ## Quick Answers - **What is this?** Horizontal PVC Plastic Sewage Drain Check Non-Return Valve Backwater Prevented 160mm by plumbing4home - **How much does it cost?** ₹ 36287 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/55321405-horizontal-pvc-plastic-sewage-drain-check-non-return-valve-backwater) ## Best For - plumbing4home enthusiasts ## Why This Product - Trusted plumbing4home brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable PVC Armor:** Engineered from high-grade PVC to resist harsh chemicals and hot sewage flows. - • **Smooth Interior Flow:** Optimized internal surface prevents sediment buildup, maintaining peak sewage flow. - • **Precision 160mm Flanged Fit:** Seamlessly integrates with standard sewage pipes for hassle-free installation. - • **Rodent-Resistant Seal Design:** Innovative guard shape blocks rodents from invading your space through drains. - • **Zero-Power Automatic Operation:** Self-activating valve ensures flood protection without any external energy source. ## Overview The KARMAT 160mm Horizontal PVC Check Valve is a high-quality, flanged backwater valve designed to prevent sewage and stormwater backflow in lower floor rooms. Made from chemical and heat-resistant PVC, it features an automatic, power-free operation with a rodent-proof seal and smooth interior to ensure durability and uninterrupted sewage flow. Ideal for compliance with building codes, it offers reliable flood protection and pest prevention in residential and commercial plumbing systems. ## Description Karmat Backwater Valves (Check Valves) effectively ensure chambers located on the lower floors against flooding caused by backflow of stormwater and sewage. Return flow can be caused by heavy rain, thaw or flooding. The use of anti-flood devices for rooms located on the lower floors is required by mandatory regulations related to technical conditions that must be met by building codes. The shape of the seal guard and guard has been designed to protect against damage to the trim by rodents and by slipping during sewage flow. Advantages: - Karmat check valves work automatically and do not require external power supply. All operations related to the use of the device are very simple and possible to be carried out by any user; - Due to the manufacturing care and high-quality materials used in the manufacturing process guarantee the efficient operation and high durability of the product; - The interior of the device with its well-profiled smooth surface, protects against the collection of sediment and subsidies complete and intact sewage flow. - Seals were made from rubber of high resistance to atmospheric influences and aging Due to its construction, the Karmat check valve can successfully replace an access pipe installed in the outlet of sanitary sewage pipes of buildings. Check valves are installed in horizontal sewer pipes before they exit a building or sewer drain outside the building before its connection to an external network. Review: Five Stars - Perfect product, well built and good quality. Review: 6inc non return valve - Very good item ## Features - KARMAT Backwater Valves effectively secure any rooms located on the lower floors; - Installed in 160mm sewage pipes before they exit a building or sewage drains; - Prevents against rodents entering building interiors through the sewage and other sanitary systems; - Secure the lower floors against flooding caused by back flow of storm water and sewage; - Made of high-quality PVC Plastic - resistance to the effects of chemicals and hot sewage; ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00BWOP4AE | | Best Sellers Rank | 33,096 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 78 in Check Valves | | Brand | PLUMBING4HOME | | Connector Type | Flanged | | Customer Reviews | 4.8 out of 5 stars 8 Reviews | | Exterior Finish | Plastic | | Exterior finish | Plastic | | Inlet Connection Size | 1.6E+2 Millimeters | | Inlet Connection Type | Flange | | Inlet connection size | 1.6E+2 Millimeters | | Inlet connection type | Flange | | Item Weight | 1.89 Kilograms | | Manufacturer | Karmat | | Material | Plastic | | Model Number | 450c | | Number of Ports | 2 | | Outlet Connection Size | 1.6E+2 Millimeters | | Outlet Connection Type | Flange | | Outlet connection type | Flange | | Part Number | 450c | | Set Name | Single | | Size | 160mm | | Smart Home Compatibility | Not Smart Home Compatible | | Specification Met | NF | | Valve Type | Check Valve | ## Product Details - **Brand:** PLUMBING4HOME - **Exterior finish:** Plastic - **Inlet connection size:** 1.6E+2 Millimeters - **Inlet connection type:** Flange - **Material:** Plastic - **Number of Packs:** 1 - **Number of ports:** 2 - **Outlet connection size:** 1.6E+2 Millimeters - **Outlet connection type:** Flange - **Specification met:** NF ## Images ![Horizontal PVC Plastic Sewage Drain Check Non-Return Valve Backwater Prevented 160mm - Image 1](https://m.media-amazon.com/images/I/61Re2Jbwa9L.jpg) ![Horizontal PVC Plastic Sewage Drain Check Non-Return Valve Backwater Prevented 160mm - Image 2](https://m.media-amazon.com/images/I/419MEjA9YpL.jpg) ![Horizontal PVC Plastic Sewage Drain Check Non-Return Valve Backwater Prevented 160mm - Image 3](https://m.media-amazon.com/images/I/61xSjeEQlaL.jpg) ![Horizontal PVC Plastic Sewage Drain Check Non-Return Valve Backwater Prevented 160mm - Image 4](https://m.media-amazon.com/images/I/715x88XnVQL.jpg) ![Horizontal PVC Plastic Sewage Drain Check Non-Return Valve Backwater Prevented 160mm - Image 5](https://m.media-amazon.com/images/I/71KZH1T96gL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Five Stars *by A***R on 20 January 2016* Perfect product, well built and good quality. ### ⭐⭐⭐⭐⭐ 6inc non return valve *by G***Y on 2 September 2024* Very good item ### ⭐⭐⭐⭐⭐ Que le diamètrecorresponde *by L***E on 30 October 2020* Bonjour, j'ai installé ce clapet anti retour sur une évacuation des pluviales ce qui a stoppé les remontées d'odeurs d'égouts le résultat est parfait,plus de relents! ## Frequently Bought Together - Horizontal PVC Plastic Sewage Drain Check Non-Return Valve Backwater Prevented 160mm - Roshield Rat Drain Guard | Stop Rats within Drainage & Properties | Rodent Flap Control & Prevention Proofing (Stainless Steel 4"/110mm) - Buffalo Pest Control Water and Rodent Non Return Valve 110mm / 4 inch --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.in/products/55321405-horizontal-pvc-plastic-sewage-drain-check-non-return-valve-backwater](https://www.desertcart.in/products/55321405-horizontal-pvc-plastic-sewage-drain-check-non-return-valve-backwater) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-08-04*