---
product_id: 419219727
title: "Happybuy Air-Operated Double Diaphragm Pump 1/2 inch Inlet and Outlet 304 Stainless Steel 9 GPM Max 115PSI Corrosion-Proof Nitrile Diaphragm Air Pump Chemical Industrial Use, QBK-15P-1/2 inch-12"
brand: "happybuy"
price: "KSh14808"
currency: KES
in_stock: false
reviews_count: 5
url: https://www.desertcart.co.ke/products/419219727-happybuy-air-operated-double-diaphragm-pump-1-2-inch-inlet
store_origin: KE
region: Kenya
---

# 9 GPM max flow rate 115 PSI max pressure 304 stainless steel corrosion-proof Happybuy Air-Operated Double Diaphragm Pump 1/2 inch Inlet and Outlet 304 Stainless Steel 9 GPM Max 115PSI Corrosion-Proof Nitrile Diaphragm Air Pump Chemical Industrial Use, QBK-15P-1/2 inch-12

**Brand:** happybuy
**Price:** KSh14808
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Elevate your industrial flow game with unstoppable power and precision!

## Quick Answers

- **What is this?** Happybuy Air-Operated Double Diaphragm Pump 1/2 inch Inlet and Outlet 304 Stainless Steel 9 GPM Max 115PSI Corrosion-Proof Nitrile Diaphragm Air Pump Chemical Industrial Use, QBK-15P-1/2 inch-12 by happybuy
- **How much does it cost?** KSh14808 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/419219727-happybuy-air-operated-double-diaphragm-pump-1-2-inch-inlet)

## Best For

- happybuy enthusiasts

## Why This Product

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

## Key Features

- • **Powerful Performance:** Delivers up to 9 GPM flow rate and 115 PSI pressure to handle demanding chemical and industrial fluids effortlessly.
- • **Advanced PTFE Diaphragms:** Premium double PTFE diaphragms resist corrosion and high temperatures up to 150℉ for extended pump life.
- • **Industrial-Grade Durability:** 304 stainless steel housing ensures leak-proof, corrosion-resistant performance for long-term reliability.
- • **Versatile Fluid Compatibility:** Perfect for pumping waste oil, gasoline, hydraulic fluids, detergents, and more across multiple industries.
- • **Smooth & Efficient Air Operation:** Low pulsation air valve with modular stainless steel design minimizes downtime and maximizes efficiency.

## Overview

The Happybuy Air-Operated Double Diaphragm Pump features a robust 304 stainless steel build, premium PTFE diaphragms, and delivers up to 9 GPM at 115 PSI. Designed for chemical and industrial use, it offers corrosion resistance, smooth air operation, and versatile fluid handling, making it a reliable choice for professionals demanding durability and efficiency.

## Description

diaphragm pump air operated oil pump waste oil pump diaphram pump camper water pump self priming pump pressure water pump on demand water pump water feature pump air diaphragm pump diaphragm pumps air operated diaphragm pump wilden diaphragm pump shurflo pump diaphragm

Review: Good - The pump works very good I like it
Review: SIZE THAT I NEED , - USE IT TWO TIMES THEN IT WOULD WORK ANY MORE

## Features

- Premium Double PTFE Diaphragms: Our air-operated double diaphragm pump adopts PTFE diaphragms, durable, corrosion-proof, and long-lasting. Max. Temperature: 150 ℉/66 ℃; Max. Pressure: 115 psi; Max. Flow Rate：8.8 GPM; Max Head Lift：226.4 ft/69 m.
- Sturdy & Leak-proof Construction: The diaphragm pump housing is made of stainless steel material, bolted against leakage, sturdy, and corrosion-proof for long-time use.
- Excellent Air-operated Performance: Inlet/Outlet Port Size: 1/2 inch; Air Inlet Size: FNPT 1/4 inch. A high-quality glyd ring, the double-acting sealing, strengthens air performance.
- Unique & Professional Designs: Our double diaphragm pump features an externally available air distribution system. The modular air valve is stainless. This low pulsation air valve provides smooth and rapid changeover for increased efficiency and minimizes downtime.
- Wide Applications: This diaphragm pump can handle various fluids, such as waste oil, alcohol, hydraulic fluid, gasoline, diesel, detergent, drink, and so on. It is widely used in many industries, such as petroleum, metallurgy, mining, coating, printing, water treatment, and automobile.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07D36RV13 |
| Brand | Happybuy |
| Brand Name | Happybuy |
| Color | Silver |
| Colour | Silver |
| Customer Reviews | 3.4 out of 5 stars 44 Reviews |
| Included Components | No |
| Item Type Name | Happybuy 304 Stainless Steel 12 GPM Max 115PSI for Chemical Industrial Use |
| Item Weight | 3.58 kg |
| Item height | 10.2 inches |
| Item weight | 3.58 kg |
| Manufacturer | Happybuy |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model Number | Air-Operated Double Diaphragm Pump |
| Power Source | Air-Operated |
| Power source | Air-Operated |
| Product Style | Diaphragm |
| Style | Diaphragm |
| UPC | 601707141449 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Happybuy
- **Colour:** Silver
- **Material:** Stainless Steel
- **Style:** Diaphragm
- **Power source:** Air-Operated

## Images

![Happybuy Air-Operated Double Diaphragm Pump 1/2 inch Inlet and Outlet 304 Stainless Steel 9 GPM Max 115PSI Corrosion-Proof Nitrile Diaphragm Air Pump Chemical Industrial Use, QBK-15P-1/2 inch-12 - Image 1](https://m.media-amazon.com/images/I/712RHWoSx+L.jpg)
![Happybuy Air-Operated Double Diaphragm Pump 1/2 inch Inlet and Outlet 304 Stainless Steel 9 GPM Max 115PSI Corrosion-Proof Nitrile Diaphragm Air Pump Chemical Industrial Use, QBK-15P-1/2 inch-12 - Image 2](https://m.media-amazon.com/images/I/7140yRtNesL.jpg)
![Happybuy Air-Operated Double Diaphragm Pump 1/2 inch Inlet and Outlet 304 Stainless Steel 9 GPM Max 115PSI Corrosion-Proof Nitrile Diaphragm Air Pump Chemical Industrial Use, QBK-15P-1/2 inch-12 - Image 3](https://m.media-amazon.com/images/I/71P3XPqqfcL.jpg)
![Happybuy Air-Operated Double Diaphragm Pump 1/2 inch Inlet and Outlet 304 Stainless Steel 9 GPM Max 115PSI Corrosion-Proof Nitrile Diaphragm Air Pump Chemical Industrial Use, QBK-15P-1/2 inch-12 - Image 4](https://m.media-amazon.com/images/I/71VtaCb9BNL.jpg)
![Happybuy Air-Operated Double Diaphragm Pump 1/2 inch Inlet and Outlet 304 Stainless Steel 9 GPM Max 115PSI Corrosion-Proof Nitrile Diaphragm Air Pump Chemical Industrial Use, QBK-15P-1/2 inch-12 - Image 5](https://m.media-amazon.com/images/I/71lqIscFQDL.jpg)

## Questions & Answers

**Q: Will this pump go on neutral when you close the valves?**
A: This pump is pneumatic. The material is pushed in one direct when the air valve is turned on.

**Q: Where woukd i find a rebuild  kit for this pump if i needed one? Any part numbers or kits?**
A: I am having the same problem no parts available as far as I can see I have been searching for hours and still no luck.

**Q: Do you have 3" or 4"**
A: 2”

**Q: Got anything rated 200f? Also gan this pump ethanol**
A: Sorry I do not, I only purchased one of these.  I also don't know if anyone has made a pump out of GaN, gallium nitride. There less expensive materials that would be compatible with ethanol.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good
*by P***L on 26 February 2021*

The pump works very good I like it

### ⭐ SIZE THAT I NEED ,
*by M***E on 30 January 2024*

USE IT TWO TIMES THEN IT WOULD WORK ANY MORE

### ⭐⭐⭐⭐⭐ Fonctionne très bien
*by R***T on 20 December 2021*

Bon rendement

## Frequently Bought Together

- Happybuy Air-Operated Double Diaphragm Pump, 1/2 in Inlet & Outlet, Stainless Steel Body, 8.8 GPM & Max 120PSI, PTFE Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel, Oil & Low Viscosity Fluids
- Primefit R1401G Mini Air Regulator with steel-Protected Gauge, 60-Scfm At 100-Psi, 1/4" Npt

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*Product available on Desertcart Kenya*
*Store origin: KE*
*Last updated: 2026-02-18*