Zui big valve wholesale base in Henan area | >>>Back |
![]() ![]() | Overview:
Forged steel gate valves are available in three bonnet designs. * The type is a bolt type bonnet. The valve designed according to this design form has a valve body and a valve cover connected by bolts and nuts, and a wound type gasket (made of 316 clip flexible graphite). Metal rings can also be used when customers have special requirements. The second design form is a welded bonnet. According to this design, the valve body and the bonnet are screwed and fully welded. All welds can also be used when the customer has special requirements. The third type is a pressure self-tightening valve cover. The valve designed according to this design form has a valve body and a valve cover which are screwed, and an internal pressure is sealed from the sealing ring.
Structure and characteristics:
The gate valve is designed with APl602, BS5352 and ASME B16.34. Inspection and testing by APl598, marked by MSS-SP-25.
Parts and materials table: Serial number NO. | Part Name | CS to ASTM | AS to ASTM | SS to ASTM | Part Name | TypeAl05 | TypeF22 | TypeF304(L) | TypeF316(L) | l | Valve body | A105 | A182F22 | A1 82 F304(L) | A182 F316(L) | 2 | Seat | A276420 | A276304 | A276 304(L) | A276 316(L) | 3 | gate | A276 430&410 | A182F304 | A182 F304(L) | A182 F316(L) | 4 | Valve stem | A182 F6 | A182F304 | A182 F304(L) | A182 F316m, | 5 | Gasket | 316 clip flexible graphite | 316 clip SS+PTFE | 6 | cap | A105 | A182F22 | A182 F304(L) | A182 F316(L) | 7 | Bonnet bolt | A19387 | A193816 | A19388 | A19388M | 8 | Cylindrical pin | A276420 | A182 F304 | 9 | Packing sleeve | A276410 | A182 F304(L) | A182 F316(L) | 10 | Joint bolt | A19387 | A193816 | A19388 | A19388M | 11 | Packing plate | A105 | A182F11 | A182 F304(L) | A182 F316(L) | 12 | Nut | A1942H | A1944 | A1948 | A194 8M | 13 | Stem nut | A276420 | 14 | fasten the screw nut | A1942H | A1944 | A1948 | A1948M | 15 | Nameplate | SS | 16 | Hand wheel | A197 | 17 | Lubricating gasket | A473 431 | 18 | filler | Flexible graphite | PTFE | Applicable medium | Water, steam, oil, etc. | Water, steam, oil, etc. | Nitric acid, acetic acid, etc. | proper temperature | -29°C～425°C | -29°C～550°C | -29°C～180°C |
Product connection size:
| NPS | Reduced diameter | 3/8" | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" | 1 | | Full path | / | 3/8" | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" | | L | 79 | 79 | 92 | 111 | 120 | 120 | 140 | 178 | | H (open) | 158 | 158 | 169 | 197 | 236 | 246 | 283 | 330 | | W | 100 | 100 | 100 | 125 | 160 | 160 | 180 | 200 | | weight | Bolt type | 2.1 | 2.0 | 2.3 | 4.3 | 5.9 | 6.9 | 11.1 | 15.2 | | Welded | 1.8 | 1.7 | 2.0 | 3.8 | 5.1 | 6.1 | 10.2 | 14.2 |
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