Implementation standards
| Design and manufacturing | GB 12239 |
| Structural length | JB 1688 |
| Flange size | JB/T79 (or as required by contract) |
| Pressure test | GB/T 13927 |
| Logo | GB 12220 |
| Supply | GB/T12252 |
Basic model (full lined)
| Manual | G41F₃ (用) | pneumatic | G641F₂ (reciprocating type |
| G41F₆(用) | G641F₄6 (reciprocating type) | ||
| G45F3 (DC type) | G6B41F₃ (normal closed version) | ||
| G45F₆(DC) | G6B41Fg (normal closed version) | ||
| electric | G9B41F₃ (Explosion-proof type) | electric | G941F₃ (normal type) |
| G9B41F₄g (Explosion-proof type) | G941F₄(normal type) |
Main parts materials
| Serial number | Part Name | Gray cast iron | Carbon steel | Stainless steel | Ultra low carbon stainless steel | ||
| Z | C | P | R | P | R | ||
| 1 | Valve body, valve cover, valve flap | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
| 2 | Valve rod | 35 | 1Cr13 | 1Cr18Ni9 | Cr18Ni12MO2T | 00Cr18Ni10 | 00Cr17Ni14Mo2 |
| 3 | Lining layer | FEP(F4₆) PCTFE(F₃)PFA(soluble polytetrafluoroethylene)PO(polyolefin) | |||||
| 4 | Diaphragm | FEP(F₄₆)/CR(neoprene)PFA(soluble polytetrafluoroethylene)/FPDM(ethylene propylene rubber) | |||||
| 5 | Stem nut | ZCuAl10Fe3 | |||||
| 6 | bolt | 35 | 34 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr17Ni2 |
| 7 | Nuts | 45 | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 |
| 8 | Handwheel | HT200 | HT200 | WCC | WCC | WCC | WCC |
Main connection size (PN0.6/1.0MPa)
| Nominal path | Standard value | Reference value | ||||||||||||||||||
| DN(mm)NPS(inch) | L | D | D1 | D2 | f | b | Z-φd | DO | H1 | H2 | ||||||||||
| 15 | 1/2 | 125 | 95 | 65 | 45 | 2 | 14 | 4-Φ14 | 100 | 105 | 110 | |||||||||
| 20 | 3/4 | 135 | 105 | 75 | 55 | 2 | 16 | 4-φ14 | 100 | 115 | 125 | |||||||||
| 25 | 1 | 145 | 115 | 85 | 65 | 2 | 16 | 4-φ14 | 120 | 120 | 135 | |||||||||
| 32 | 11/4 | (160) | 135 | 100 | 78 | 2 | 18 | 4-Φ18 | 120 | 125 | 150 | |||||||||
| 40 | 11/2 | 180 | 145 | 110 | 85 | 3 | 18 | 4-Φ18 | 140 | 135 | 175 | |||||||||
| 50 | 2 | 210 | 160 | 125 | 100 | 3 | 20 | 4-Φ18 | 140 | 155 | 195 | |||||||||
| 65 | 21/2 | 250 | 180 | 145 | 120 | 3 | 20 | A-①18 | 200 | 170 | 200 | |||||||||
| 80 | 3 | 300 | 195 | 160 | 135 | 3 | twenty two | 4/8-Φ18 | 200 | 200 | 255 | |||||||||
| 100 | 4 | 350 | 215 | 180 | 155 | 3 | twenty two | 8-Φ18 | 280 | 270 | 325 | |||||||||
| 125 | 5 | 400 | 245 | 210 | 185 | 3 | twenty four | 8- φ18 | 320 | 335 | 405 | |||||||||
| 150 | 6 | 460 | 280 | 240 | 210 | 3 | twenty four | 8- φ23 | 320 | 370 | 450 | |||||||||
| 200 | 8 | 570 | 335 | 295 | 265 | 3 | 26 | 8- φ23 | 400 | 480 | 600 | |||||||||
| 250 | 10 | 680 | 390 | 350 | 320 | 3 | 28 | 12-φ23 | 500 | 545 | 620 | |||||||||
| 300 | 12 | 790 | 440 | 400 | 368 | 4 | 28 | 12-φ23 | 500 | 585 | 680 | |||||||||
Note: Product information is for reference only. If you have any questions, please contact our company!
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Liangming Group aims to contribute to the high-quality development of the society and economy, help achieve common prosperity, and strive to become a widely respected enterprise with good quality and reputation as its core value.
Contact number: 400-677-8577
