
Bellofram Elastomers
Dependable seals to keep contaminants out, the right stuff in, maintain temperature, and more,
Custom Engineered Bellofram Elastomers is a worldwide leader in the manufacturing of both static and dynamic sealing needs.
Bellofram’s unique extruding and molding abilities provide to-order solutions for dense and closed cell silicone sponges, closed cell silicone sheet products, engineered foam in EPDM, rubber diaphragms, and diaphragms reinforced with neoprene, fabric, and homogeneous silicone.
PRODUCT CAPABILITIES
Diaphragms – 30″ Diameter
- Fabric Reinforced Single Coat
- Fabric Reinforced Double Coat
- Metal Inserted
- Homogeneous Silicone & Rubber
- Flat {Flash Cut) – up to 60″ x 60″
Rubber Diaphragm Classes
- 4, 4C, 3, 3C, 1A, 1B
(https://belloframelastomers.com/
diaphragm-classes/)
Extrusion
- Silicone Sponge
- Engineered Foam – EPDM,
- Neoprene, & SBR
- Dense Silicone & Rubber
PROCESS CAPABILITIES
- Compression Molding (500 Tons)
All Elastomers (including Chemraz) - Die Cutting (Up to 48″)
- Extruding (Up to 12″ Wide Useable)
Bonded Seals – Cut to Length
Pressure Sensitive Adhesives (PSA) - Tubing (up to 2.5″ OD)
Skiving/Cutting (0.063″ to 2.00″
thickness) FECKEN-KIRFEL SKIVER
Flat Sheets (up to 48″) Dense
& Sponge Skived From Buns
(in house or customer supplied)
Flash Cutting
- Die-less Cutting System
- No Tooling Investment
- Fast Prototyping
- Scalable – Small to Large Runs
- Precise/Custom Shapes
- Clean Edges/No Cupping
- (Gaskets, etc.)
SPECIFICATIONS
- A-A-59588 3B
- AMS 3195
- AMS 3196
- AMS 3302
- AMS 3323
- AMS 3345
- AMS 3347
- ASTM D 1056
- ASTM D 2000
- BMS 1-23
- BMS 1-60
- HS701 TY A,B & E
- MCS 2017
- MIL-R 6855
- MIL-R-25988B
- MIL-R-46089
- UL 94 V-0
- USP CLASS VI
- 3A SAN IT ARY 18-03
MARKET EXPERIENCE
- Aerospace
- Automotive
- Electronics
- Defense/Military
- Food Service
- Medical
- Industrial Regulators
- Rail/Transit
- Semiconductor
- Valves/Pumps
- Waste Water
CONTACT
Bellofram Elastomers
Bellofram Elastomers
8019 Ohio River Blvd
Newell, WV 26050
Certifications
IFAI/PPAP
ISO 9001 Certified
AS9100 Certified
MARN Supply Partners

Industrial Control & Protection
ATC & Diversified Electronics
Automation, timers and relays
Motor protection
Power Quality

Static & Dynamic Sealing
Bellofram Elastomers
Frictionless & leak-proof rolling diaphragm seals
Silicone sponge, rubber sponge, solid silicone & solid rubber products

Precision Control Devices
Bellofram Precision Controls
Regulators, transducers, actuators,
I/Ps & E/Ps

Precision Springs & Wireforming
Fennell Spring
Wireforms
Compression, extension,
torsion & clutch springs

Contract Metal Manufacturing
Genesee Global Group
5-axis machining,
laser cutting,
forming, welding,
finishing & assembly

Contract Plastic Manufacturing
Laszeray Technology
Injection molding, tooling, CNC machining & assembly

Progressive Die Stamping
Marion Manufacturing
High-speed progressive
metal stamping

Sheet Metal & Structural Steel Fabricating
Moreng Metal Products
Sheet metal & structural steel
fabricated parts & assembly

Screw Machine Precision Turning
Ohio Screw Products
High-volume precision
turned parts

Swiss Automatic Precision Turning
Palladin Precision Products
Swiss-Screw machining
for complex small to
micro-miniature parts

Rapid Prototyping Service Bureau
SICAM Corporation
3D Printing for prototyping & production
Urethane casting & CNC Machining
Plastic injection molding & tooling

Contract Electronics Manufacturing
TechnoTronix
Prototyping, testing,
manufacturing &
assembly PCB solutions

Medical Devices & Equipment
Marsh Medical
Over 100,000 custom parts for
the medical industry curated
from the Marsh Bellofram
Group of Companies