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API STD 681

Liquid Ring Vacuum Pumps and Compressors for Petroleum, Chemical, and Gas Industry Services

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Organization: API
Publication Date: 1 February 1996
Status: active
Page Count: 80
scope:

This standard covers the minimum requirements for liquid ring vacuum pump and compressor systems for service in the petroleum, chemical, and gas industries. This includes both vacuum pump and compressor design and system design.

The design of the system is critical to the successful operation of the liquid ring vacuum pump or compressor. Close attention must be paid not only to the design of the ring liquid system but also to how it is integrated into the user's process.

Although this standard covers minimum requirements appropriate for petroleum refinery service, purchasers may wish to consider pumps, compressors, and systems that do not meet all the requirements of this standard, based on specific nonflammable, nontoxic service conditions.

Note: A bullet (•) at the beginning of a paragraph indicates that a decision by the perchaser is required. These decisions should be indicated on the data sheet (see Appendix A); otherwise, they should be stated in the quotation request or in the order.

Document History

February 1, 1996
Liquid Ring Vacuum Pumps and Compressors for Petroleum, Chemical, and Gas Industry Services
This standard covers the minimum requirements for liquid ring vacuum pump and compressor systems for service in the petroleum, chemical, and gas industries. This includes both vacuum pump and...
February 1, 1996
Liquid Ring Vacuum Pumps and Compressors for Petroleum, Chemical, and Gas Industry Services
1.1 Scope 1.1.1 This standard covers the minimum requirements for liquid ring vacuum pump and compressor systems for service in the petroleum, chemical, and gas industries. This includes both vacuum...
API STD 681
February 1, 1996
Liquid Ring Vacuum Pumps and Compressors for Petroleum, Chemical, and Gas Industry Services
This standard covers the minimum requirements for liquid ring vacuum pump and compressor systems for service in the petroleum, chemical, and gas industries. This includes both vacuum pump and...

References

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