High Pressure Rubber Bladder Type Constant Pressure Tank

Introduction

An expansion tank is an essential component in many plumbing and heating systems. It is designed to accommodate the expansion and contraction of water or other fluids due to changes in temperature or pressure. By providing a buffer for these volume changes, expansion tanks help protect the integrity of the system, prevent damage to pipes and fixtures, and ensure efficient and safe operation.

In a closed-loop plumbing or heating system, water or fluid is circulated through pipes and components. As the temperature of the fluid increases, it expands, causing an increase in pressure within the system. Without an expansion tank, this pressure buildup can lead to various problems, such as leaks, burst pipes, or damage to valves and other components.

An expansion tank consists of a sealed container divided into two chambers. One chamber is filled with air or an inert gas, while the other chamber is connected to the plumbing or heating system. When the fluid expands, the excess volume is pushed into the expansion tank, compressing the air or gas in the other chamber. As the fluid cools and contracts, the compressed air or gas is released back into the system, maintaining a stable pressure.

Working Flow

Specifications and Structure

Shell: Carbon Steel ( W/Anti-rust paint layer)/Stainless Steel

Replaceable Bladder: High quality natural rubber/butyl rubber

System Connection: Top mounted carbon steel internal thread connection with flexible internal flow tube

Standard Factory Precharge: ≤0.2MPa

Maximum Acceptance Volume: Approximately 35% of the tank capacity

Max. Operating Temperature: ≤95ºC

Working Pressure: 0.6MPa, 1.0MPa, 1.6MPa

Air Charge Valve: Copper

Flange

Lifting Lug

Nameplate

Accessories: Pressure Gauge, Vent

Product Parameters

Features

Expansion tanks have several key features that make them essential components in plumbing and heating systems. Here are some notable features of expansion tanks:

1. Pressure Regulation: Expansion tanks help regulate and maintain the pressure within a closed-loop system. They absorb the excess volume of fluid created by thermal expansion, preventing pressure buildup and potential damage to pipes, valves, and other system components.

2. Thermal Expansion Compensation: The main purpose of an expansion tank is to accommodate the expansion and contraction of water or other fluids due to temperature changes. By providing a space for the increased volume of fluid, expansion tanks prevent the system from becoming overpressurized and ensure efficient operation.

3. Two-Chamber Design: Expansion tanks typically consist of two chambers. One chamber is filled with air or an inert gas, while the other chamber is connected to the plumbing or heating system. This design allows for the compression and expansion of air or gas as the fluid volume changes, maintaining a stable pressure within the system.

4. Diaphragm or Bladder Technology: Many expansion tanks feature a diaphragm or bladder inside the tank that separates the air or gas chamber from the fluid chamber. This diaphragm or bladder helps prevent the air or gas from being absorbed into the fluid, ensuring proper functioning and longevity of the expansion tank.

5. Pre-Charged or Adjustable Pressure: Expansion tanks are available in pre-charged or adjustable pressure models. Pre-charged tanks come with a predetermined air or gas pressure, while adjustable tanks allow for customization of the pressure to meet specific system requirements.

Our Team and Working Enviroment

FAQ

Q1: Can I have a sample ?
A : We do not provide samples.  As a  supplier, we can customize products according to our customers' specific requirements.

Q2: What is your lead time for production?
A : Generally mass production needs 15-30 days,also depands on your request.

Q3 : Can you accept mixed batch of different products?
A : Yes,we can provide different product mix wholesale.

Q4: What payment terms do you accept?
A :Trade assurance,TT,Western Union.

Q5 : What is the warranty for your products?
A :We provide one year warranty for the products..

Q6 : Are you trading company or manufacturer?
A :Yes,We are manufacturer.Welcome to visit our factory and check our pruducts.

Q7: What is your delivery time?
A: Delivery term:15-30 working days.