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Diaphragm Pump Sprayers

Diaphragm Pump Sprayers

Smooth, reliable diaphragm sprayers for pro decorators.

(8 produits)

UNSURE WHICH PRODUCT YOU NEED FOR YOUR JOB?

Unsure which product suits your job? Use our website's 'Compare Feature' to view differences the between sprayer features and use cases.

Check out our guides and help section below for posts on product selection and application:

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Wagner Diaphragm Pump Sprayers for Contractors

Get reliable, high-performance spraying across all common coatings with Wagner diaphragm pump sprayers – engineered for decorators who need a robust, versatile solution for daily site work. Designed to handle everything from standard emulsion and primers to exterior masonry and water-based trim paints, diaphragm sprayers deliver smooth, uninterrupted spray output without pressure fluctuations.

Explore Wagner diaphragm sprayers now

Smooth, Consistent Spraying for Everyday Trade Jobs

Wagner diaphragm sprayers – including the trusted SF 23 Pro – are ideal for professional decorators who want a machine that’s quiet, easy to maintain, and ready for all-day use. These sprayers use a flexible diaphragm instead of a piston, creating steady pressure for a consistent spray pattern. This makes them particularly effective for domestic and light commercial decorating where finish quality matters.

  • Wide coating compatibility – ideal for emulsion, acrylic, primers, undercoats, topcoats, masonry paint, and more.
  • No pulsation – diaphragm technology ensures smooth, even coverage without fluctuations in pressure.
  • Low maintenance – fewer moving parts mean fewer breakdowns and reduced servicing needs.
  • Trade-ready – powerful yet compact design suitable for on-site work, indoor spraying, and outdoor façades.
  • Electric and petrol-powered models – flexible options for site access and power availability.
  • Trusted performance – Wagner quality backed by technical support and UK-wide delivery from Premium Paints.

Whether you're spraying walls, ceilings, exteriors, soffits, or stairwells, Wagner diaphragm sprayers give you the finish of a piston sprayer with less noise and smoother delivery. Ideal for decorators who want reliability, speed, and flexibility without the maintenance of heavier airless units.

If you need advice on selecting the right diaphragm sprayer for your workload, contact our expert team via live chat, phone or email.

All Wagner diaphragm sprayers include free UK delivery and trade discounts on bulk orders.

Premium Paints proudly stocks professional-grade Wagner spray technology – trusted by UK decorators for daily use on-site and in workshops.

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Versatile Diaphragm Sprayers for Reliable, Everyday Trade Use

Wagner diaphragm pump sprayers are built for decorators who need consistent results across a wide range of jobs – from domestic interiors to exterior masonry and cladding. Unlike piston-driven systems, diaphragm sprayers deliver smooth, pulsation-free application, making them ideal for standard coatings like emulsion, acrylic, primers, and water-based masonry paint.

Thanks to their durable design and simplified mechanics, Wagner diaphragm sprayers like the SF 23 Pro are perfect for trade professionals who want lower maintenance, quieter operation, and reliable performance. These sprayers excel in both indoor and outdoor environments and are capable of running all day with minimal interruption.

At Premium Paints, we recommend Wagner diaphragm sprayers to decorators who prioritise reliability and finish quality without needing ultra-high-pressure systems. With powerful motors, pressure control, and robust fluid sections, they’re an excellent choice for everything from whole-house redecorations to light commercial refurbishments.

Whether you're spraying walls, ceilings, soffits, or exterior renders, diaphragm pump sprayers provide a dependable solution that saves time, reduces effort, and delivers a clean, even coat – job after job.

Frequently Asked Questions

Diaphragm Pump Sprayers FAQ's

What is a diaphragm pump sprayer and how does it benefit decorators?

A diaphragm pump sprayer uses a flexible membrane instead of a piston to move paint, creating a smooth, steady spray with fewer pressure fluctuations. For decorators, this means reliable results when spraying emulsions, primers, and topcoats – even on large jobs.

Are diaphragm sprayers suitable for standard wall and ceiling paints?

Yes – Wagner diaphragm sprayers like the SF 23 Pro are great for standard coatings including emulsions, acrylics, primers, and masonry paints. They're ideal for decorators handling high volumes and looking for consistent, high-quality finishes.

How do diaphragm sprayers compare to airless piston sprayers?

While piston sprayers are better for ultra-high pressure applications, diaphragm sprayers provide a smoother flow, less pulsation, and more durability for continuous spraying. They’re quieter and often simpler to maintain, which many decorators prefer.

Can Wagner diaphragm sprayers be used indoors and outdoors?

Absolutely. With electric options like the SF 23 Pro, decorators can tackle interior rooms, ceilings, and stairwells without noise or fumes. They’re also robust enough for external walls, soffits, cladding, and fences.

What size jobs are Wagner diaphragm sprayers best for?

They’re perfect for small to mid-size domestic and commercial decorating jobs. Whether you're doing a full house repaint, a rental renovation, or a school refurbishment, diaphragm sprayers help cut time and boost quality.

Ordering and Delivery

How long does delivery take after placing an order?

We aim to dispatch all orders placed before 12pm on the same working day (Monday to Friday). Standard delivery typically takes 2-3 working days, but express options are available at checkout for faster delivery.

Can I track my order?

Yes, once your order has been dispatched, you will receive a confirmation email with tracking details. You can use the tracking link to follow your delivery’s progress.

Let customers speak for us

from 6305 reviews
Green gloss Paint

How fantastic that yous sell big tins of Gloss
In coulour that’s hard to get THANK YOU SO MUCH

Teresa Bullock
Paintmaster - Oil Based Gloss - Heavy Duty Paint - Interior and Exterior Use - Multiple Sizes
Fantastic quality paint

I painted my yard with light grey and what a difference its made
Highly recommended

Stephen Weir
Everest - Ultimate QD Concrete Floor / Patio Paint & Sealer - Internal & External - Anti-Slip
Excellent product & service

We bought the Sandstone anti slip paint for our garden to match up an old path with new patio. We are really pleased with the results and can’t believe how quick it dried. We would happily recommend.

Arlene
Everest - Ultimate QD Concrete Floor / Patio Paint & Sealer - Internal & External - Anti-Slip
Brilliant paint , covers everything with one coat

Amazing paint , covers everything easy to use paint

emma Mr Taylor
Paintmaster - Agricultural Barn Paint Oxide Gloss - Heavy Duty - Multiple Sizes
Great product value for money!!

Great paint...fantastic coverage 2 coats on a medium and large patio plus some left over in case I need to touch up
Both looked tired and would of cost loads to replace given them a whole new lease if life looks really good
Tip....get the primer off here too very good coverage and allows the paint to grip and seals the slabs well.
Don't hesitate to buy it
I bought grey ...comes up dark but not bothered

James Nolan
Everest Trade - Concrete Dustproofer / Floor Primer & Sealer - Solvent Free - 20 & 5 Litre
Just GET it, get it now!

I do a lot of painting and always appreciate a good product. THESE are great products.
Firstly, order and delivery was fine, though when I opened each tin and took in the delicious smell, I thought to myself ‘well that will never wash out in soapy water!’ (Both the primer and paint wash out COMPLETELY easily in soapy water, in fact some days I didn’t even bother with the soap!)
I started weeding and repointing my ugly slabs in May. Having no way of using a pressure washer, I scrubbed down them twice using plain water with a squirt of Fairy liquid. (I live on a beach so the floor gets pretty filthy, pretty quick.)
Seeing a break in the weather of ten days or more, I chose to paint this week and the whole experience was trouble free. I used one coat of Everest Trade Concrete Dustproofer/Floor Primer and two coats of Anti Slip Ultimate QD Concrete Floor Paint & Sealer in brick red.
This paint is SO easy to use. The primer looked a little flimsy at first glance, a little bit ‘meh’, but BOY does it do a good job! The paint stayed consistent to the bottom of the tin and went on wonderfully. You’ll NEED good weather and you’ll NEED a clean surface but if you’ve got both of those, all you’ll need to turn an ugly yard into a garden is these two products.
I really hope the pictures speak for themselves.

S.R.
Everest - Ultimate QD Concrete Floor / Patio Paint & Sealer - Internal & External - Anti-Slip
Fantastic Sealer

My Garden concrete floor was extremely dusty so I decided to use the sealer which was the best decision I have made and I have saved £££. I applied the sealer with a brush but found that using a cheap pressure sprayer was more effective and efficient.

Moreover the customer service was excellent I would most certainly recommend the product.

Suhel Ahmed
Everest Trade - Concrete Dustproofer / Floor Primer & Sealer - Solvent Free - 20 & 5 Litre
Wow!

We have tried everything to make our patio look nice. I then came across this paint and saw the reviews which looked to be good to be true. I can honestly say this paint is amazing! It has transformed our patio with just one coat. We chose dark grey and the colour is perfect. Would highly recommend.

Tina Mcintyre
Everest - Ultimate QD Concrete Floor / Patio Paint & Sealer - Internal & External - Anti-Slip
Fast Delivery

Delivery was great, fantastic seal on the paint. Haven't used it yet but so far all is good

Scott Darby
Everest Trade - High Build Polyurethane (PU) Resin Based Garage Floor Paint - Anti-Slip
Excellent product, would recommend

I bought this as the previous product I used on my Cattery floor would soon scratch and flake, this was brilliant - it dried really quickly, covered the dark green I already had down and was easy to use. It's been down a few weeks now and I'm really pleased so far

Gill Davies
Everest Trade - Industrial Concrete Floor Paint - High Build Polyurethane Resin Based
Excellent, beyond my expectation

Not used this product before i was not confident. Seeing final results I am very satisfied and happy.
Would certainly buy again.

Faruk Desai
Floormaster - Heavy Duty Polyurethane Floor / Concrete Paint - Available in 5 & 20 Litre
Great product

It does exactly what it says on the tin...excellent!

David Walker
Everest Trade - PremFlex Ultimate Roof Tile Paint & Sealer - High Performance Formula
Exactly as it says on the tin!

I am a pretty seasoned DIYer and after some research on the web, and amongst those I know have painted garage floors I steered clear of those products that most likely with "domestic" use would not stand the test of time. Wearing through in walkways, tyres scuffing through the finish... I have only had this finish completed a few weeks, the rich thickness and texture indicates a solid product for what I needed...the caveat, if you could call it as such is the system itself...it proved wise for me to add the paddle stirrer and extra roller heads to the order, because the contents must be thoroughly stirred before use, a total doddle with a power drill set to slow! The rollers became disposable after each application removing the chances of spills and a pretty noxious mix having to be disposed of correctly..all in all a very bright super workspace as a result...

Mark W
Everest Trade - Industrial Concrete Floor Paint - High Build Polyurethane Resin Based

This paint goes on really easy and looks great Not parked a car on it as yet as awaiting its delivery. Hopefully won’t have any lifting but so far so good 👍

Stephen Maddock
Everest Trade - High Build Polyurethane (PU) Resin Based Garage Floor Paint - Anti-Slip
Everest trade premflex ultimate roof tile paint & sealer

Excellent product easy to work withI’m very happy with it

Ricky Patidar
Everest Trade - PremFlex Ultimate Roof Tile Paint & Sealer - High Performance Formula

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