---
product_id: 127754830
title: "50L INOX/Stainless Steel Pressure Tank Vessel Expansion Domestic Waterworks Pump EPDM-Membrane"
brand: "wiltec"
price: "฿15035"
currency: THB
in_stock: false
reviews_count: 3
url: https://www.desertcart.co.th/products/127754830-50l-inox-stainless-steel-pressure-tank-vessel-expansion-domestic-waterworks
store_origin: TH
region: Thailand
---

# 1" Standard Fitting EPDM Membrane for durability 50L Capacity 50L INOX/Stainless Steel Pressure Tank Vessel Expansion Domestic Waterworks Pump EPDM-Membrane

**Brand:** wiltec
**Price:** ฿15035
**Availability:** ❌ Out of Stock

## Summary

> 💧 Elevate your water system game with unmatched pressure stability!

## Quick Answers

- **What is this?** 50L INOX/Stainless Steel Pressure Tank Vessel Expansion Domestic Waterworks Pump EPDM-Membrane by wiltec
- **How much does it cost?** ฿15035 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/127754830-50l-inox-stainless-steel-pressure-tank-vessel-expansion-domestic-waterworks)

## Best For

- wiltec enthusiasts

## Why This Product

- Trusted wiltec brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Space-Smart Design:** Vertical installation saves space while simplifying setup.
- • **Seamless Integration:** Standard 1" fitting fits most domestic water systems effortlessly.
- • **Built to Last with EPDM:** Heat, chemical, and pressure resistant membrane ensures reliability.
- • **Safe & Tested Performance:** Factory-tested to 5.4 bar for leak-proof, stress-resistant operation.
- • **Stable Pressure, Longer Pump Life:** 50L bladder tank reduces pump cycling for ultimate efficiency.

## Overview

The WilTec 50L stainless steel pressure tank features a durable EPDM bladder membrane, a 1" fitting for easy domestic integration, and is factory-tested to withstand pressures up to 5.4 bar. Designed for vertical installation, it optimizes space while extending pump life by stabilizing water pressure in household and garden water systems.

## Description

The replacement flask can be used in cold/hot water sanitary systems, suitable for almost all domestic water installation systems, solar systems, pressure maintenance systems or for garden pumps. This stainless steel 50L bladder pressure tank comes with the bladder and has a volume of 50 litres. Use limit 5.4 bar. This tank has been tested by the manufacturer up to a pressure of 5.4 bar as to its tightness. It comes vertical and has a fitting for a 32.9 mm (1″) domestic pump. In addition, it has a built-in valve to inflate the membrane. This series of steel sheet tanks is welded according to UNI-EN standards and is equipped with a heat-resistant and ageing butyl rubber membrane. Ethylene-propylene diene rubber (EPDM): This rubber belongs to the group of elastomers. It is characterized by its constancy to hot air, bad weather and the influence of ozone. It is low permeable to gases, resistant to chemicals and has good vibration or shock absorbing properties up to 100 ° C. This rubber remains elastic up to a temperature of −70°C. It is particularly used for inner tubes, tire interiors, membranes or steam pipes, or some inner liners of tanks or tanks, protective films, mass for non-vulcanized sealing and straps or ties.

## Features

- [50L Capacity] - This WilTec 50 litre bladder pressure tank ensures stable pressure and reduces frequent pump starts, extending the life of the pump. It is ideal for use with a household water booster or filler pump
- [EPDM Membrane] - Equipped with EPDM rubber bladder, this booster tank ensures optimal sealing and increased resistance to high temperatures, chemicals and pressure fluctuations, ensuring long-lasting and reliable operation
- [1″ Fitting] – Its standard 32.9 mm (1″) connection allows easy integration into various domestic water installation systems, whether it is a booster, garden pump or pressure management plant
- [5.4 Bar Pressure] - Designed to withstand a maximum pressure of 5.4 bar, this pressure tank has been factory tested to ensure it is leak-proof and resistant to hydraulic stress, ensuring safe use in a variety of environments
- [Vertical Installation] - Its horizontal format remains space-saving, optimizing space and simplifying installation in domestic or industrial water distribution systems

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | WilTec |
| Part Number | 50643 |
| Product Dimensions | 76.99 x 35 x 34.01 cm; 7.22 kg |
| Item model number | 50643 |
| Colour | Grey |
| Style | Diaphragm |
| Material | Stainless Steel |
| Power Source | Solar Powered |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 7.22 kg |

## Product Details

- **Brand:** WilTec
- **Colour:** Grey
- **Material:** Stainless Steel
- **Style:** Diaphragm
- **Power source:** Solar Powered
- **Item weight:** 7.22 kg
- **Manufacturer:** WilTec

## Images

![50L INOX/Stainless Steel Pressure Tank Vessel Expansion Domestic Waterworks Pump EPDM-Membrane - Image 1](https://m.media-amazon.com/images/I/61-afnIiY5L.jpg)
![50L INOX/Stainless Steel Pressure Tank Vessel Expansion Domestic Waterworks Pump EPDM-Membrane - Image 2](https://m.media-amazon.com/images/I/51E1aur6qzL.jpg)
![50L INOX/Stainless Steel Pressure Tank Vessel Expansion Domestic Waterworks Pump EPDM-Membrane - Image 3](https://m.media-amazon.com/images/I/61B09+YN3uL.jpg)
![50L INOX/Stainless Steel Pressure Tank Vessel Expansion Domestic Waterworks Pump EPDM-Membrane - Image 4](https://m.media-amazon.com/images/I/61Urk3tm+HL.jpg)
![50L INOX/Stainless Steel Pressure Tank Vessel Expansion Domestic Waterworks Pump EPDM-Membrane - Image 5](https://m.media-amazon.com/images/I/51MYU7jdTHL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ reusable
*by P***H on 25 February 2020*

Very pleased with this item as it is re usable , bought spare bladder as well

### ⭐⭐⭐⭐⭐ Excellent product
*by W***S on 23 February 2019*

Used it for replacement pressure vessel for out of date vailant boiler.

### ⭐⭐⭐⭐⭐ It arrived for for time given
*by K***T on 2 June 2025*

Good fit

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-01*