AZ Series Resilient seated NRS gate valve is a wedge gate valve and Non-rising stem type, and suitable for use with water and neutral liquids (sewage) . The non-rising stem design ensures the stem thread is adequately lubricated by the water passing through the valve.
-On-line replacement of top seal: Easy installation and maintenance.
-Integral rubber-clad disc: The ductile iron frame work is thermal-clad integrally with high performance rubber. Ensuring tight seal and rust prevention.
-Integrated brass nut: By means of special casting process. the brass stem nut is integrated with the disc with secure connection, thus the products is safe and reliable.
-Flat-bottom seat: The sealing surface of the body is flat without hollow, avoiding any dirt deposit.
Water supply system, water treatment, sewage disposal, food processing, fire protection system, natural gas, liquefied gas system etc.
Size mm (inch) | D1 | D2 | D0 | H | L | b | N-Φd | Weight (kg) |
65(2.5″) | 139.7(5.5) | 178(7) | 160(6.3) | 256(10.08 | 190.5(7.5) | 17.53(0.69) | 4-19(0.75) | 15 |
80(3″) | 152.4(6_) | 190.5(7.5) | 180(7.09) | 275(10.83) | 203.2(8) | 19.05(0.75) | 4-19(0.75) | 20.22 |
100(4″) | 190.5(7.5) | 228.6(9) | 200(7.87) | 310(12.2) | 228.6(9) | 23.88(0.94) | 8-19(0.75) | 30.5 |
150(6″) | 241.3(9.5) | 279.4(11) | 251(9.88) | 408(16.06) | 266.7(10.5) | 25.4(1) | 8-22(0.88) | 53.75 |
200(8″) | 298.5(11.75) | 342.9(13.5) | 286(11.26) | 512(20.16) | 292.1(11.5) | 28.45(1.12) | 8-22(0.88) | 86.33 |
250(10″) | 362(14.252) | 406.4(16) | 316(12.441) | 606(23.858) | 330.2(13) | 30.23(1.19) | 12-25.4(1) | 133.33 |
300(12″) | 431.8(17) | 482.6(19) | 356(14.06) | 716(28.189) | 355.6(14) | 31.75(1.25) | 12-25.4(1) | 319 |