Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
ARO 94330-A Diaphragm Backer - Diaphragm Assembly Hardware
ARODiaphragm Assembly Hardware

ARO 94330-A Diaphragm Backer

ARO Diaphragm Assembly Hardware. Specifications: Product Type: Diaphragm Backer.

SKU 3G-OTH-87389

Also listed as: 94330A · 94330 A

Brand
ARO
Item
94330-A Diaphragm Backer
Part Number
94330-A
Category
Diaphragm Assembly Hardware
Available to Order
Also known as:94330-AARO
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

ARO
Manufacturer Part Number
94330-A
Product Type
Diaphragm Backer

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

ARO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

ARO Diaphragm Assembly Hardware. Specifications: Product Type: Diaphragm Backer.

Frequently Asked Questions

What is an ARO diaphragm backer used for?

An ARO diaphragm backer supports the diaphragm in pneumatic double-diaphragm pumps, preventing over-flexing and extending diaphragm life. It is used in industrial fluid-handling applications such as chemical transfer, wastewater treatment, and paint circulation where reliable pump performance is critical.

What are the specifications of the ARO diaphragm backer 94330-A?

The ARO diaphragm backer, part number 94330-A, is a diaphragm assembly hardware component classified as a diaphragm backer. It is designed for use with ARO diaphragm pumps to provide structural support. For exact dimensions and material compatibility, consult the ARO pump service manual.

Where to buy ARO diaphragm backer 94330-A worldwide?

You can source the ARO diaphragm backer 94330-A through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine ARO components for your pump maintenance needs.

How to install an ARO diaphragm backer?

To install an ARO diaphragm backer, first depressurize the pump and remove the fluid caps. Place the backer against the diaphragm, ensuring correct orientation per the ARO service manual. Reassemble the pump, tightening bolts to the manufacturer's torque specification. Always use compatible hardware to prevent leaks.

Used in

Common applications for ARO
Chemical processing — ARO AODD pumps with PTFE diaphragms and 316 SS wetted parts for corrosive fluid transfer
Food and beverage — FDA-compliant ARO AODD pump SD20S-CSS-SMM-B00 with Santoprene diaphragm and Tri-Clamp connections
Water treatment — ARO air control valves and FRL units for pneumatic control in filtration and dosing systems
General manufacturing — ARO air-end repair kits and O-rings for maintaining double diaphragm pumps in assembly lines
Pharmaceutical — ARO sanitary AODD pumps with 316 SS check valves for shear-sensitive and sterile fluid handling
Oil and gas — ATEX-rated ARO FRL units and air control valves for use in hazardous atmospheres
Not sure this is the right part? Photo-identify it→

ARO Products

3G Electric supplies ARO diaphragm assembly hardware. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
ARO
ARO
Replacement diaphragm for ARO diaphragm pumps. Used in industrial fluid-handling applications such as chemical transfer, paint circulation, and wastewater treatment
ARO
ARO
This stainless steel diaphragm bolt is used to secure diaphragm assemblies in diaphragm pumps. It provides corrosion resistance and helps maintain pump seal integrity in fluid handling applications
ARO
ARO
This screw is a replacement fastener for securing the diaphragm assembly in diaphragm pumps. It is used in industrial fluid-handling applications to maintain proper sealing and operation

More from ARO

View all ARO parts →
ARO
ARO
Polypropylene screw used to secure diaphragm assemblies in diaphragm pumps. Ensures proper sealing and alignment of the diaphragm within the pump chamber. Suitable for fluid-handling applications
ARO
ARO
Diaphragm screw used to secure the diaphragm assembly to the pump shaft in diaphragm pumps. Ensures proper sealing and fluid transfer. Suitable for industrial pumping applications
ARO
ARO
Acetal diaphragm nut for use in diaphragm pump assemblies. Secures the diaphragm within the pump for proper operation in fluid handling applications
ARO
ARO
Polypropylene diaphragm nut for securing diaphragm assemblies in diaphragm pumps. Used in fluid-handling applications requiring chemical resistance
ARO
ARO
Replacement diaphragm pump body for ARO diaphragm pumps. Used in industrial fluid handling for chemical transfer, paint circulation, and wastewater treatment. Direct replacement for compatible ARO pump models
ARO
ARO
Stainless steel screw designed for securing the diaphragm assembly in diaphragm pump systems. Provides a corrosion-resistant fastening point for the diaphragm, maintaining pump integrity during fluid transfer
ARO
ARO
Stainless steel diaphragm washer used in diaphragm pump assemblies to secure the diaphragm to the pump shaft. Provides a leak-free seal and corrosion resistance for fluid transfer applications
ARO
ARO
Screw used in diaphragm pump assembly hardware. Secures diaphragm components to ensure proper sealing and operation in industrial fluid handling applications

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first