Application of Standards
① Design and manufacturing comply with: API600, GB/T12234
② Inspection and testing shall comply with: API598, GB/T 13927, GB/T26480
③ Flange connections comply with the following standards: ASME B16.5, JB/T79, HG/T20592, and GB/T9113.
④ Welding end: ASME B16.25, GB/T12224
⑤ butt and socket welded end: ASME B16. 11, JB/T 7746
⑥ Structural length: ASME B16. 10, GB/T12221
⑦ Temperature and pressure rating: ASME B16.34,GB/T12224
Product specifications
① Main material: carbon steel, stainless steel, alloy steel
② Nominal diameter: DN15 to DN800
③ Pressure range: 1.0 MPa to 10.0 MPa
④ Operating temperature: -29℃~+600℃
⑤ Drive modes: manual, bevel gear, electric, pneumatic, hydraulic
⑥ Application scope: It can be used in the fluid pipeline of construction, food, electric power, medicine, metallurgy, light textile, energy, etc. for cutting or regulating and throttling.
Main Components Material
| Material | |||
| Order number | Part name | Stainless steel | Cast steel |
| 1 | Valve body | CF8 | WCB |
| 2 | Flash board | CF8 | WCB |
| 3 | Valve stem | 304 | 13Cr |
| 4 | Pad | Metal wound pad | Metal wound pad |
| 5 | Hex nut | A1948 | A1942H |
| 6 | Stud | A193 B8 | A193 B7 |
| 7 | Bonnet | CF8 | WCB |
| 8 | Filling | Flexible graphite | Flexible graphite |
| 9 | Stuffing box gland | A351 CF8 | WCB |
| 10 | Hex nut | A1948 | A1942H |
| 11 | Dog bolt | A193 B8 | A193 B7 |
| 12 | Valve-stem nut | Copper alloy | Copper alloy |
| 13 | Nut gland | A105 | A105 |
| 14 | Hand wheel | KTH330-08 | KTH330-08 |
| 15 | Locknut | A105 | A105 |
| 16 | Jacket | 304 | 20# |
Normal Valvular ZHENGMAO VALVE
Jacket Gate Valve
Intervening gate valve
Main size data
PN1.6MPa
| Size | DN | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
| L | mm | 200 | 250 | 265 | 280 | 300 | 325 | 350 | 400 | 450 | 500 |
| H | mm | 310 | 358 | 373 | 435 | 500 | 614 | 674 | 818 | 969 | 1145 |
| W | mm | 200 | 240 | 240 | 280 | 300 | 320 | 360 | 400 | 450 | 560 |
PN2.5MPa
| Size | DN | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
| L | mm | 200 | 250 | 265 | 280 | 300 | 325 | 350 | 400 | 450 | 500 |
| H | mm | 358 | 373 | 435 | 500 | 614 | 674 | 818 | 969 | 1145 | 1145 |
| W | mm | 240 | 240 | 280 | 300 | 320 | 360 | 400 | 450 | 560 | 640 |
PN4.0MPa
| Size | DN | 40 | 50 | 56 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
| L | mm | 200 | 250 | 280 | 310 | 350 | 400 | 450 | 550 | 650 | 750 |
| H | mm | 358 | 373 | 435 | 500 | 614 | 674 | 818 | 969 | 1145 | 1145 |
| W | mm | 240 | 240 | 280 | 300 | 320 | 360 | 400 | 450 | 560 | 640 |
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