Safety Archives – AS-Schneider Blog

High pressure valves up to 15,000 psi in offshore application

Offshore platform with high pressure valves up to 15,000 psi.

We all know, pressure is one of the most important process parameters, in the field of measurement and control. Pressure measurement under extreme applications are done for enormously high-pressure range. These measurements must be safe and precise, for which we need reliable valves to maintain tight control and regulation at these high pressures.

Chemical injection quill for oil & gas application

Chemical injection quill for oil and gas application.

To support users in their proper planning and technical evaluation, I would like to share some information about one less-familiar product in the industry, the chemical injection quill.

API 6A API PSL 3G PR2 applications ASME PTC 19.3 TW-2010 check valve chemical feed line chemical injection quill Corrosion Inhibitor dbb DBB valve FEA Finite Element Analysis H2S Scavenger hydrate inhibitors Hydrate solidifies injecting additives injection quill Integral Check Valve Isolation mechanical device Methanol Monoflanges oil and gas process media process pipeline Process to instrument valves regulations sampling quill Standards VariAS-Blocks

Chloride induced stress corrosion cracking (CISCC) in pipelines

Chloride Corrosion of pipeline - Chloride induced stress corrosion cracking (CISCC).

The energy sector has passed through various atmospheric and process environmental challenges. How big is the challenge? It depends on the region, application, process media, and industry. It is also not limited to these factors. One of these challenges is Chloride Induced Stress Corrosion Cracking (CISCC).

Chloride corrosion Chloride induced stress corrosion cracking CISCC Environment Environmental Environmental Protection harsh environment pipeline safety stainless steel stress corrosion stress corrosion cracking

DBB system in instrument piping – a cost effective safety solution

I remember very well when we started the development of our Double Block & Bleed Valve Series. We called it “VariAS-Blocks”. Production started 20 years ago, and we have made many improvements since there.

We based the design on the standard SHELL MESC SPE 77/165 (which the MESC SPE 77/170 superseded) and EEMUA 182.

#dbb #instrument valves ball valve DBB system in instrument piping double block and bleed EEMUA 182 Instrument DBB ball valve instrument piping MESC SPE 77/170 Process to instrument valves taurus taurus series

Why do material traceability and type 3.2 certification matter?

Today, manufacturing has become global. Imagine a salesman in Europe or America. He supplies his product for a project in the Middle East, coming from their factory in India, which sources its raw material from China or other parts of the world. It has support and customer service from Southeast Asia. This scenario is common in companies with operations across the globe.

3.2 certification applications BS EN 10204 Compliance critical applications Product Traceability Product tracing system standard BS EN 10204:2004 traceability of materials type 2.1 type 2.2 type 3.1 type 3.2 certification

Cryogenic valves for LNG application – Part 2

In our second part of the cryogenic valve series I would like to responsive on questions like “What are the challenges of using cryogenic?”, “Selecting a valve for cryogenic service.”, “How can engineers ensure tightness of cryogenic valves?” and “What should engineers pay attention to during assembly of cryogenic valves?”.

Assembly clean cryogenic Cryogenic valves LNG LNG application lubricate manifolds Pressure primary isolation valve sealing ship Single and dual flapper check valves stem temperature Tightness Triple offset rotary tight isolation valves valves

Cryogenic valves for LNG application – Part 1

One of our customers needed a primary isolation valve for a pressure measurement on a container ship. The ship uses natural gas power. The valve had to meet the Fire Safe API requirements. It also had to pass a cryogenic test with liquid nitrogen (-196 ° C). The container ship rides under the American flag. Thus, an independent examiner had to administer the test. This examiner came from the American Bureau of Shipping (ABS) and the US Coast Guard.

Assembly clean cryogenic Cryogenic valves LNG LNG application lubricate Pressure primary isolation valve sealing ship Single and dual flapper check valves stem temperature Tightness Triple offset rotary tight isolation valves

All about Close Coupled Flush Ring

The chemical industry uses flush rings for diaphragm seals. These rings prevent clogging of the instrument connection. The technician mounts the ring between the process flange and the diaphragm seal. It has flushing ports and membranes. The flushing ports allow users to wash out particles from in front of the membrane. It also has a pressure chamber, which users can vent, drain, or fill with cleaning liquid. The user can then flush the chamber.

“Traditional” Assembly Close Coupled Close Coupled Flush Ring Close Coupled Hook-up Close Coupled Installation Close Coupled Manifold diaphragm seals flush ring instrument connection measurement

Provide usability for EPCs

Flexible alignment of the pressure gauge display.

In plant construction, you often come up against challenges where standard valves no longer fit. Then, you need professional support who can advice you what to do when standard solutions don`t meet the requirements of the installation.

Some time ago we have created a simple but very helpful solution for a pressure gauge manufacturer. The solution refers to the alignment of the pressure gauge display.

2 Valve Manifold Application back mount Close Coupled Close Coupled Hook-up Close Coupled Installation Close Coupled Manifold Customer requirement design E Series E Series 2 Valve Manifold EPC Hook-up industrial valves instrumentation manifold plan plant construction pressure gauge pressure gauge manufacturer pressure instruments process connection requirement safety Standard Design Top Display Design Usability valve Valve Manifold

Valves in extreme cold: 3 criteria are decisive

Arctic operation valves for extreme cold.

Whether in Alaska, Norway or Russia: Industrial valves, such as those used in chemical plants or the oil industry, are exposed to extreme cold as low as -55°C in some regions. However, not all industrial valves are suitable for operation in extreme cold. Three criteria are decisive.

Arctic Operations body material chemical extreme cold Graphite industrial valves leakage-free Material oil and gas packing PTFE safety seal sealing stem seal stem thread temperature valves