Massive Selection for High Quality Electrical Valve - PACKING CASE – DONGYI

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our company designs and manufactures a full line of compressor packing cases, intermediate partition packing cases and wiper cases for your reciprocating compressor’s piston rod sealing system. Precision machined from cast iron, bronze alloy steel or stainless steel All packing and wiper cases are designed to be easily reconditioned when needed to maximize service life Available in cooled or non-cooled for use in both oil-free and lubricated applications to satisfy the full spectrum of temp...


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Adhering into the basic principle of "quality, assistance, effectiveness and growth", we have attained trusts and praises from domestic and worldwide client for Pressure Control Valve , Cypr Piston Ring , Needle Check Valves , We always concertrating on developing new creative product to meet request from our clients all over the world. Join us and let's make driving safer and funnier together!
Massive Selection for High Quality Electrical Valve - PACKING CASE – DONGYI Detail:

our company designs and manufactures a full line of compressor packing cases, intermediate partition packing cases and wiper cases for your reciprocating compressor’s piston rod sealing system.

Precision machined from cast iron, bronze alloy steel or stainless steel
All packing and wiper cases are designed to be easily reconditioned when needed to maximize service life
Available in cooled or non-cooled for use in both oil-free and lubricated applications to satisfy the full spectrum of temperatures, pressures and corrosive conditions
Designed to meet all environmental concerns and regulations including available vent and purge designed assemblies for fugitive emissions reductions
The packing case assembly is critical to the proper operation of the piston rod packing and the sealing of the cylinder. The packing case has several important features that help to maximize your compressor’s performance:

Cylinder-end gasket to prevent process gas from bypassing the packing rings
Precision-machined mating and sealing surfaces to prevent leakage
Provides passages for lubrication, vent, coolant and buffer gas as required
Flange with adequate bolting to maintain gasket seating and seal between cups at operating pressure
Recess in each cup to contain free floating seal rings
With the ever increasing concern for the effects upon the global environment, systems to control emissions are becoming even more important. As part of its commitment to its customers and the environment, our company has a range of purge control systems that maintain buffer pressure and monitor gas flow and packing condition to eliminate emissions from packing cases used in reciprocating compressors. The purge-gas system prevents your process gas from escaping through the packing case by introducing an inert buffer gas into the assembly.

Packing case conversion
We  can convert your existing case to a purge design. Converting your packing case to a purge-gas system allows you to monitor your packing ring life and comply with tough emissions regulations. Our standard purge design employs a two groove T-cup. If the length of the assembly is limited, a single groove cup arrangement is used.


Product detail pictures:

Massive Selection for High Quality Electrical Valve -
 PACKING CASE – DONGYI detail pictures

Massive Selection for High Quality Electrical Valve -
 PACKING CASE – DONGYI detail pictures

Massive Selection for High Quality Electrical Valve -
 PACKING CASE – DONGYI detail pictures


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Our target is always to satisfy our customers by offering golden support, superior value and high quality for Massive Selection for High Quality Electrical Valve - PACKING CASE – DONGYI, The product will supply to all over the world, such as: Uruguay , New Orleans , Jordan , Our company offers the full range from pre-sales to after-sales service, from product development to audit the use of maintenance, based on strong technical strength, superior product performance, reasonable prices and perfect service, we will continue to develop, to provide the high-quality products and services, and promote lasting cooperation with our customers, common development and create a better future.
  • We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
    5 Stars By Denise from Curacao - 2017.09.30 16:36
    We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
    5 Stars By Federico Michael Di Marco from Uruguay - 2017.06.25 12:48
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