- Section shapeRound
Omental stuffing of the APR - 31 brand. Represents graphitized elastic round (or square section) the cord weaved out of asbestine threads and a brass wire (diameter from 0,17 to 0,2 mm). Stuffing of the APR - 31 brand is applied in centrifugal and piston pumps, in omental consolidations of fittings, in such environments as: aggressive liquid, neutral, gaseous. Maintains temperature from minus 70 to plus 200 degrees Celsius. Omental stuffing of this brand is also efficient in such environment as oil products, with a temperature from minus 30 to plus 300 degrees Celsius.
Stuffing of the AP - 31 brand is applied in omental consolidations: the fittings working with neutral, hostile liquid and gaseous environment and steam with a pressure not higher than 4,5 MPas and temperature from - 70 to + 300 °C and also with oil products with a pressure not higher than 2 MPas and temperature from - 30 to + 300 °C; the centrifugal and piston pumps working with liquid neutral and hostile environment, oil products at the most admissible pressure and temperature of 2 MPas and 250 °C.
The most admissible speed of sliding in fittings and piston pumps to 2 m/s, in centrifugal to 15 m/s. An admissible interval rn environments 3 — 10.
Stuffing of the AP - 31 brand represents the elastic cord of square or round section weaved out of an asbestine thread, impregnated with antifrictional fatty structure on the basis of oil extracts, graphitized.
Stuffing is issued the following sizes: 4, 5, 6, 7, 8. 10. 12. (13), 14,16, 18, (19), 20, 22, 25, 28, 30 32, (35), 38, 42. 45, 50.
Weight of one bay of stuffing of 15 - 25 kg.
Stuffing is reeled up in bays or reels, tied up a twine and pack into paper bags (GOST 2226 — 75) pl in, bag paper (GOST 2228 — 81), or plastic bags (GOST 17811 — 78), or a polyethylene film (GOST 10354 — 81).
Identification number: Stuffing of the state standard specification 5152 AP - 31 30Х30 brand — 84.