Packing ring

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See Packing, 2 (c), and Illust. of Piston.

See also: Packing

References in periodicals archive ?
Several studies have been carried out to gain a general understanding of packing ring friction wear [16-18].
In valves, seat each packing ring fully, and tighten gland nuts slowly while moving the handle back and forth.
Tenders are invited for Kit For Nftc/Uhmwpe Packing Ring Of Different Thickness As Per Rdso S Str No.
Tenders are invited for Packing Ring 13Mm Thick To Rdso Drg.
Limited Tenders are invited for 1)Forging For Sealing Ring R/M Qty: 3 No 2)Forging For Sealing Ring R/M Qty: 2 No 3)Forging For Packing Ring (R/M) Qty: 1 No 4)Forging For Seal Ring (R/M) Qty: 2 No 5)Forging For Seal Ring Qty: 2 No 6)Forging For Ring Qty: 1 No 8)Null Qty: Null Null
Tenders are invited for Supply Of-1419/4/0906 512/2 Grooved Packing Ring Na Quantity:6 Nos,1423/4/0906 890/3 Grooved Packing Ring Nl 6 Nos,1429/4/0906 512/2 Gsrooved Ring Na 6 Nos,1420/4/0211 049/1 Compression Spring 3 Nos,1430/4/0211 051/7 Comprssion Spring 3 Nos 1422/4/0906 907/2 %O% Packing Ring 6 Nos,15.
Limited Tenders are invited for Supply Of Glan Packing Ring,Gland Packing Ring In Oblique Cut Of Size:- 36.
Metcar designs packing rings for sealing liquids and gases for a wide range of applications, including aircraft engines, blenders and mixers, furnace exhaust blowers, and oil free piston compressors, as well as ship propeller shafts, steam turbines, and water pumps and turbines.
When old packing has become hard or abrasive, it means that either the wrong packing material was used or the stuffing box is worn, causing gland water to flow outside the packing rings and not cool them properly.
The resulting heat from the flame heats the falling water, which comes in contact with the bed of packing rings where heat transfer occurs.