Engineering Bulletins

Why Is Metal Hose Used?

Engineering Bulletin #177

Failure Analysis: Identifying The Corrosion Culprit

Engineering Bulletin #176

Are Pfas Bans An Opportunity For Metal Hose?

Engineering Bulletin #175

Why Tolerances Cannot Be Zero

Engineering Bulletin #174

Fitting Attachment Welds For Metal Hose Assemblies

Engineering Bulletin #173

Preparing Hose Assemblies With Npt Ends For Leak Testing

Engineering Bulletin #172

Radiographic Testing Of Welds

Engineering Bulletin #171

What Does Asme B31.3 And B31.1 Compliance Mean For Metal Hoses?

Engineering Bulletin #170

What Is The Difference Between Static And Dynamic Bend Radius?

Engineering Bulletin #169

How To Handle Interlocked Hoses

Engineering Bulletin #168

Is A Pressure Tight Interlocked Hose Really Possible?

Engineering Bulletin #167

Using Traveling Loops To Accommodate Axial Movement In Piping System

Engineering Bulletin #166

Accommodating Out Of Plane Movement In A Piping System

Engineering Bulletin #165

Ammonia And Stainless Steel

Engineering Bulletin #164

How Much Weight Can A Hose Hung Vertically Support?

Engineering Bulletin #163

Sulfuric Acid Applications

Engineering Bulletin #162

How Long Will A Metal Hose Last In Service?

Engineering Bulletin #161

How To Install An Expansion Joint

Engineering Bulletin #160

Differences Between The 300 Series Stainless Steels

Engineering Bulletin #159

How To Avoid The Most Common Mistake When Welding A Cap Pass

Engineering Bulletin #158

Delay Work Hardening Of Metal Bellows In High Vibration Applications

Engineering Bulletin #157

Failure Analysis: Braided Hose In High Vibration Applications

Engineering Bulletin #156

Comparing Metal And Rubber Lance Hoses

Engineering Bulletin #155

What Is The Difference Between Penflex P3 And P4 Series Hoses?

Engineering Bulletin #154

An Overview Of Common Expansion Joint Accessories

Engineering Bulletin #153

When To Use An Expansion Joint Instead Of A Hose

Engineering Bulletin #152

How Liquid Penetrant Inspection Works

Engineering Bulletin #151

What Makes Metal Hose Corrosion Resistant?

Engineering Bulletin #150

An Introduction To Microbially Influenced Corrosion

Engineering Bulletin #149

No Simple Solutions When It Comes To Oxygen Service Cleaning

Engineering Bulletin #148

Weld Purging With Argon Gas: An Industry Standard

Engineering Bulletin #147

Fretting Corrosion

Engineering Bulletin #146

Sour Gas Transfer: Considerations Around Metal Hose Alloy Selection

Engineering Bulletin #145

The Case For Positive Material Identification

Engineering Bulletin #144

Test Results: Metal Hose Cycle Life

Engineering Bulletin #143

Hardworking Hoses For Well-Executed Turnarounds

Engineering Bulletin #142

Why Flexibility Does Not Necessarily Mean Longer Service Life

Engineering Bulletin #140

Flexible Metal Hose Assembly

Engineering Bulletin #139

Causes Of Hydrogen Embrittlement

Engineering Bulletin #138

H Grade May Be Specified, But You Might Not Need It

Engineering Bulletin #137

Considerations On Managing High Flow Velocity With Interlocked Liners

Engineering Bulletin #136

How To Avoid Stress Corrosion Cracking

Engineering Bulletin #135

Common Causes Of Hose Assembly Failure

Engineering Bulletin #134

Leak Testing For Cryogenic Hoses

Engineering Bulletin #133

Loose Braid Consideration: Vacuum Pump Tightening Method

Engineering Bulletin #132

Making Hose From Tube: Penflex Uses Several Mechanical Forming Methods To Form Hose

Engineering Bulletin #131

Considerations For Duplex Or Steam Jacketed Hoses

Engineering Bulletin #130

California Proposition 65 Statement

Engineering Bulletin #129

Using Corrugated Hose For Vacuum Applications

Engineering Bulletin #128

P4 Products Are In Accordance With Iso 10380 Standard For Sizes 1/4" To 2"

Engineering Bulletin #127

How We Calculate Maximum Allowable Working Pressure

Engineering Bulletin #126

Non-Destructive Testing Program And Ndt Lab

Engineering Bulletin #125

Cross-Reference Of American With German And European Standards

Engineering Bulletin #124

Loose Braid Consideration: Methods Of Tightening Braid On Hose

Engineering Bulletin #123

Hose Assembly Cut Length Calculation

Engineering Bulletin #122

Bs En 10204:2004 Certificate Type 3.1 And Inspection Documents

Engineering Bulletin #121

How Many Btus Can Be Handled By Corrugated Hose?

Engineering Bulletin #120

Corrosion Of Common Alloys In Dry Chlorine (Cl2)

Engineering Bulletin #119

P3 Products Are In Accordance With Iso 10380 Standard

Engineering Bulletin #118

Braid: Consideration For Use On A Different Hose Od

Engineering Bulletin #117

Basic Steps In Hose Assembly Failure Analysis

Engineering Bulletin #116

Environmental Corrosion Of Stainless Steel

Engineering Bulletin #115

Vibration And Minimum Hose Length Requirements

Engineering Bulletin #114

Austenitic Steels: Mechanical Properties At Cryogenic Temperatures

Engineering Bulletin #113

Operating Conditions And Reduction Factors Consideration

Engineering Bulletin #112

Calculation Of Pressure Loss In Corrugated Hoses

Engineering Bulletin #111

Corrugated Metal Hose In Externally Pressurized System Under Vacuum

Engineering Bulletin #110

Calculating Pitting Resistance Equivalent Number (Pren)

Engineering Bulletin #109

Corrugated Metal Hose And Flow Velocity Consideration

Engineering Bulletin #108

Assembly Installation Handling Precautions

Engineering Bulletin #107

Service Temperatures Of Austenitic Steels And Other Materials

Engineering Bulletin #106

Chlorine And Stainless Steel Alloy Selection

Engineering Bulletin #105

The Advantages Of Using Monel Hose Vs. Teflon For Chlorine Transfer

Engineering Bulletin #104

The Advantages Of Using 321 Ss Vs. 304/304l Ss

Engineering Bulletin #103

Leak Detection Methods

Engineering Bulletin #102

Changes And Additions To Penflex Product Catalog

Engineering Bulletin #101