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更新時間:2025-08-28 09:21:10瀏覽次數(shù):128次
聯(lián)系我時,請告知來自 儀表網(wǎng)3gr三螺桿泵,36X6A,36X6B,3GR42X6A的工作原理 螺桿泵依靠螺桿相互嚙合空間的容積變化來輸送液體。當(dāng)螺桿轉(zhuǎn)動時吸入腔一端的密封線連續(xù)地向排出腔一端作軸向移動.
一、三螺桿泵的工作原理
螺桿泵依靠螺桿相互嚙合空間的容積變化來輸送液體。當(dāng)螺桿轉(zhuǎn)動時吸入腔一端的密封線連續(xù)地向排出腔一端作軸向移動,使吸入腔的容積增大,壓力降低,液體在壓差作用下沿吸入管進入吸入腔。隨著螺桿的轉(zhuǎn)動,密封腔內(nèi)的液體連續(xù)而均勻地沿軸向移動到排出腔,由于排出腔一端的容積逐漸縮小,即將液體排出。
| 材料組合代碼 Material code | 泵體/襯套 Casing/Insert | 適用范圍 Using range |
| W10 W20
W30 W40 W50 | HT200 ZCuSn5Pb5Zn5
ZCuSn10Pb1 ZL109 QT450-10 | 可低壓輸送潤滑性好粘度適當(dāng)?shù)囊后w,如重燃油。 在較高壓力下,輸送潤滑性較差、粘度較低液體,如重油、燃油。 可輸送粘度低且潤滑性差的介質(zhì),如柴油、輕燃油。 可輸送低壓且粘度適當(dāng)?shù)臐櫥院玫囊后w。 可低壓輸送潤滑性差粘度適當(dāng)?shù)囊后w,如原油、燃油。 |
| 材料組合代碼 Material code | 泵體 Casing | 襯套 Insert | 適用范圍 Using range |
| W12 | HT200 | ZCuSn5Pb5Zn5 | 在較高壓力下,輸送潤滑性較差、粘度較低液體,如重油、燃油。 |
| W13 | HT200 | ZCuSn10Pb1 | 可輸送粘度低且潤滑性差的介質(zhì),如柴油、輕燃油。 |
| W14 | HT200 | ZL109 | 可低壓輸送潤滑性好,粘度適當(dāng)?shù)囊后w(如潤滑油)。 |
| W15 | HT200 | QT450-10 | 可輸送潤滑性差且含有細(xì)微雜質(zhì)的液體(如渣油)。 |
| W22 W23 | 焊接Q235 焊接Q235 | ZCuSn5Pb5Zn5 ZCuSn10Pb1 | 用于特殊場合(如水電用泵),在較高壓力下輸送潤滑性好黏度適當(dāng)?shù)慕橘|(zhì)。也可在稍低的壓力下輸送潤滑性差的介質(zhì)如重油、燃油,輕柴油等。 |
4. 關(guān)于泵的吸入能力可查閱 樣本提供的NPSHR值。
5. 配套電機的選配
泵的選型確定后,根據(jù)樣本數(shù)據(jù)可查到泵的軸功率N,該軸功率再加上一定的功率儲備后,作為選配電機的依據(jù),一般電機功率Nm應(yīng)不小于泵軸功率N乘以功率儲備系數(shù)K后所得值,K值可參照下
表取值
| N(KW) | N<5 | 5 | 10 | N>50 |
| K | 1.25 | 1.2 | 1.15 | 1.1 |
| 泵型號 | 流 量 | 壓力 P MPa | 轉(zhuǎn)速 n r/min | 功率p(kw) | 允許吸上真空高度 HS(m) | 進口 mm | 出口 mm | 泵重量 w(kg) | 電機型號 (Y系列) | |||
| M3/h | L/min | 軸功率 | 電機 功率 | |||||||||
| 3G 3GC 3GR 3GCR (75cst) | 20×4 | 1 | 16.67 | 1.0 | 2900 | 0.68 | 0.75 | 6 | 20 | 15 | 8 | 801-2B3(2B5) |
| 0.8 | 13.33 | 2.5 | 1.1 | 1.5 | 90S-2B3(2B5) | |||||||
| 0.4 | 6.67 | 1.0 | 1450 | 0.3 | 0.55 | 6.5 | 801-4B3(4B5) | |||||
| 0.3 | 5 | 2.5 | 0.5 | 0.75 | 802-4B3(4B5) | |||||||
| 20×6 | 0.8 | 13.33 | 4.0 | 2900 | 1.7 | 2.2 | 6 | 20 | 15 | 9 | 90L-2B3(2B5) | |
| 0.6 | 10 | 6.0 | 2.7 | 3 | 100L-2B3(2B5) | |||||||
| 0.3 | 5 | 4.0 | 1450 | 0.8 | 1.1 | 6.5 | 90S-4B3(4B5) | |||||
| 0.2 | 3.33 | 6.0 | 1.35 | 1.5 | 90L-4B3(4B5) | |||||||
| 25×4 | 2.0 | 33.33 | 1.0 | 2900 | 1.1 | 1.5 | 6 | 25 | 20 | 9 | 90S-2B3 | |
| 1.6 | 26.67 | 2.5 | 2.2 | 3 | 100L-2B3 | |||||||
| 0.8 | 13.33 | 1.0 | 1450 | 0.5 | 0.75 | 6.5 | 802-4B3 | |||||
| 0.6 | 10 | 2.5 | 1.1 | 1.5 | 90L-4B3 | |||||||
| 25×6 | 1.6 | 26.67 | 4.0 | 2900 | 3.4 | 4 | 6 | 25 | 20 | 11 | 112M-2B3 | |
| 1.4 | 23.33 | 6.0 | 5 | 5.5 | 132S1-2B3 | |||||||
| 0.6 | 10 | 4.0 | 1450 | 1.6 | 2.2 | 6.5 | 100L1-4B3 | |||||
| 0.4 | 6.67 | 6.0 | 2.5 | 3 | 100L2-4B3 | |||||||
| 30×4 | 3.6 | 60 | 1.0 | 2900 | 1.9 | 2.2 | 5.5 | 32 | 25 | 15 | 90L-2B3(2B5) | |
| 3.2 | 53.33 | 2.5 | 3.8 | 4 | 112M-2B3(2B5) | |||||||
| 1.6 | 26.67 | 1.0 | 1450 | 0.9 | 1.5 | 6 | 90L-4B3(4B5) | |||||
| 1.2 | 20 | 2.5 | 1.9 | 2.2 | 100L1-4B3(4B5) | |||||||
| 36×4 | 6.5 | 108.33 | 1.0 | 2900 | 3.2 | 4 | 5 | 50 | 40 | 21 | 112M-2B3 | |
| 6 | 100 | 2.5 | 6.2 | 7.5 | 132S2-2B3 | |||||||
| 2.8 | 46.67 | 1.0 | 1450 | 1.6 | 2.2 | 5.5 | 100L1-4B3 | |||||
| 2.4 | 40 | 2.5 | 3.1 | 4 | 112M-4B3 | |||||||
| 3Gr 3GCr (3cst) | 20×4 | 0.8 | 13.33 | 1.0 | 2900 | 0.6 | 0.75 | 5.5 | 20 | 15 | 8 | 801-2B3(2B5) |
| 0.3 | 5 | 1.0 | 1450 | 0.2 | 0.55 | 801-4B3(4B5) | ||||||
| 20×6 | 0.6 | 10 | 2.5 | 2900 | 1.1 | 1.5 | 4 | 20 | 15 | 9 | 90S-2B3(2B5) | |
| 0.2 | 3.33 | 2.5 | 1450 | 0.4 | 0.75 | 802-4B3(4B5) | ||||||
| 25×4 | 1.6 | 26.67 | 1.0 | 2900 | 1.1 | 1.5 | 4 | 25 | 20 | 9 | 90S-2B3 | |
| 0.6 | 10 | 1.0 | 1450 | 0.5 | 0.75 | 802-4B3 | ||||||
| 25×6 | 1.4 | 23.33 | 2.5 | 2900 | 2.2 | 3 | 4 | 25 | 20 | 11 | 100L-2B3 | |
| 0.4 | 6.67 | 2.5 | 1450 | 1.1 | 1.5 | 90L-4B3 | ||||||
| 30×4 | 3.2 | 53.33 | 1.0 | 2900 | 2.0 | 2.2 | 4 | 32 | 25 | 15 | 90L-2B3(2B5) | |
| 1.2 | 20 | 1.0 | 1450 | 0.9 | 1.5 | 90L-4B3(4B5) | ||||||
| 36×4 | 6 | 100 | 1.0 | 2900 | 3.2 | 4 | 4 | 50 | 40 | 21 | 112M-2B3 | |
| 2.4 | 40 | 1.0 | 1450 | 1.6 | 2.2 | 100L1-4B3 | ||||||
| 泵型號 | 流 量 | 壓力 P MPa | 轉(zhuǎn)速 n r/min | 功率p(kw) | 允許吸上真空高度 HS(m) | 進口 mm | 出口 mm | 泵重量 w(kg) | 電機型號 (Y系列) | |||
| M3/h | L/min | 軸功率 | 電機 功率 | |||||||||
| 3G 3GC 3GR 3GCR (75cst) | 85×2 | 43 | 716.67 | 0.6 | 1450 | 12.5 | 15 | 4.5 | 125 | 80 | 158 | 160L-4B3 |
| 40 | 666.67 | 1.0 | 18 | 22 | 180L-4B3 | |||||||
| 28 | 466.67 | 0.6 | 970 | 8.5 | 11 | 5 | 160L-6B3 | |||||
| 25 | 416.67 | 1.0 | 10 | 15 | 180L-6B3 | |||||||
| 85×4 | 43 | 716.67 | 1.6 | 1450 | 25 | 30 | 4.5 | 125 | 80 | 178 | 200L-4B3 | |
| 40 | 666.67 | 2.5 | 36 | 45 | 225M-4B3 | |||||||
| 28 | 466.67 | 1.6 | 970 | 19.5 | 22 | 5 | 200L2-6B3 | |||||
| 25 | 416.67 | 2.5 | 25.4 | 30 | 225M-6B3 | |||||||
| 100×2 | 70 | 1166.67 | 0.6 | 1450 | 20 | 22 | 4 | 150 | 100 | 200 | 180L-4B3 | |
| 68 | 1133.33 | 1.0 | 27.7 | 30 | 200L-4B3 | |||||||
| 45 | 750 | 0.6 | 970 | 13.8 | 15 | 4.5 | 180L-6B3 | |||||
| 43 | 716.67 | 1.0 | 18.2 | 22 | 200L2-6B3 | |||||||
| 110×2 | 94 | 1566 | 0.6 | 1450 | 23 | 30 | 4 | 200 | 150 | 225 | Y200L-4B3 | |
| 90 | 1500 | 1.0 | 34 | 45 | Y225M-4B3 | |||||||
| 60 | 1000 | 0.6 | 970 | 17.3 | 18.5 | 4.5 | Y200L1-6B3 | |||||
| 56 | 933.3 | 1.0 | 27.7 | 30 | Y225M-6B3 | |||||||
| 110×4 | 94 | 1566 | 1.6 | 1450 | 53 | 75 | 4 | 200 | 150 | 325 | Y280S-4B3 | |
| 90 | 1500 | 2.5 | 80 | 90 | Y280M-4B3 | |||||||
| 60 | 1000 | 1.6 | 970 | 36 | 45 | 4.5 | Y280S-6B3 | |||||
| 56 | 933.3 | 2.5 | 48 | 55 | Y280M-6B3 | |||||||
| 3Gr 3GCr (3cst) | 85×2 | 40 | 666.67 | 0.4 | 1450 | 8 | 15 | 4 | 125 | 80 | 158 | 160L-4B3 |
| 25 | 416.67 | 0.4 | 970 | 4.2 | 11 | 160L-6B3 | ||||||
| 85×4 | 40 | 666.67 | 1.0 | 1450 | 20 | 22 | 4 | 125 | 80 | 178 | 180L-4B3 | |
| 25 | 416.67 | 1.0 | 970 | 10.3 | 15 | 180L-6B3 | ||||||
| 100×2 | 68 | 1133.33 | 0.4 | 1450 | 12.7 | 22 | 4 | 150 | 100 | 200 | 180L-4B3 | |
| 42 | 700 | 0.4 | 970 | 7.5 | 15 | 180L-6B3 | ||||||
| 110×2 | 90 | 1500 | 0.4 | 1450 | 20 | 30 | 4 | 200 | 150 | 225 | Y200L-4B3 | |
| 56 | 933.3 | 970 | 13.9 | 18.5 | Y200L-6B3 | |||||||
| 110×4 | 90 | 1500 | 1.0 | 1450 | 34 | 45 | 4 | 200 | 150 | 325 | Y225M-4B3 | |
| 56 | 933.3 | 970 | 23 | 30 | Y225M-6B3 | |||||||
| 泵型號 | 流 量 | 壓力 P MPa | 轉(zhuǎn)速 n r/min | 功率p(kw) | 允許吸上真空高度 HS(m) | 進口 mm | 出口 mm | 泵重量 w(kg) | 電機型號 (Y系列) | |||
| M3/h | L/min | 軸功率 | 電機 功率 | |||||||||
| 3G 3GC 3GR 3GCR (75cst) | 50×2 | 17.5 | 291.67 | 0.6 | 2900 | 5.2 | 5.5 | 4.5 | 80 | 50 | 80 | 132S1-2B3 |
| 16 | 266.67 | 1.0 | 8.1 | 11 | 160M1-2B3 | |||||||
| 8.2 | 136.67 | 0.6 | 1450 | 2.6 | 3 | 5 | 100L2-4B3 | |||||
| 7.5 | 125 | 1.0 | 4.0 | 5.5 | 132S-4B3 | |||||||
| 50×4A | 17.5 | 291.67 | 1.6 | 2900 | 11.6 | 15 | 4.5 | 80 | 50 | 90 | 160M2-2B3 | |
| 16 | 266.67 | 2.5 | 16.5 | 18.5 | 160L-2B3 | |||||||
| 8.2 | 136.67 | 1.6 | 1450 | 5.8 | 7.5 | 5 | 132M-4B3 | |||||
| 7.5 | 125 | 2.5 | 8.2 | 11 | 160M-4B3 | |||||||
| 50×6B | 17 | 283.33 | 4.0 | 2900 | 24.9 | 30 | 4.5 | 80 | 50 | 105 | 200L1-2B3 | |
| 16 | 266.67 | 6.0 | 37.9 | 45 | 225M-2B3 | |||||||
| 7.5 | 125 | 4.0 | 1450 | 12.45 | 15 | 5 | 160L-4B3 | |||||
| 6.8 | 113.33 | 6.0 | 18.7 | 22 | 180L-4B3 | |||||||
| 70×2 | 24 | 400 | 0.6 | 1450 | 7 | 11 | 4.5 | 100 | 65 | 105 | 160M-4B3 | |
| 23 | 383.33 | 1.0 | 9.8 | 15 | 160L-4B3 | |||||||
| 15 | 250 | 0.6 | 970 | 4.8 | 5.5 | 5 | 132M2-6B3 | |||||
| 14 | 233.33 | 1.0 | 6.5 | 7.5 | 160M-6B3 | |||||||
| 70×3 | 22 | 366.67 | 1.0 |
1450
| 8.72 | 15 |
4.5
|
80
|
50
|
101
| 160L-4B3 | |
| 1.6 | 13.95 | 18.5 | 180M-4B3 | |||||||||
| 2.5 | 20.5 | 22 | 180L-4B3 | |||||||||
| 70×4 | 24 | 400 | 1.6 | 1450 | 14 | 18.5 | 4.5 | 100 | 65 | 120 | 180M-4B3 | |
| 22 | 366.67 | 2.5 | 20.5 | 22 | 180L-4B3 | |||||||
| 15 | 250 | 1.6 | 970 | 7.5 | 11 | 5 | 160L-6B3 | |||||
| 14 | 233.33 | 2.5 | 13.5 | 18.5 | 200L1-6B3 | |||||||
| 3Gr 3GCr (3cst) | 50×2 | 16 | 266.67 | 0.4 | 2900 | 3.3 | 5.5 | 4 | 80 | 50 | 80 | 132S1-2B3 |
| 7.5 | 125 | 0.4 | 1450 | 1.7 | 2.2 | 100L1-4B3 | ||||||
| 50×4A | 16 | 266.67 | 1.0 | 2900 | 8.1 | 11 | 4 | 80 | 50 | 90 | 160M1-2B3 | |
| 7.5 | 125 | 1.0 | 1450 | 4.0 | 7.5 | 132M-4B3 | ||||||
| 50×6B | 16 | 266.67 | 2.5 | 2900 | 15.56 | 18.5 | 4.5 | 80 | 50 | 105 | 160L-1B3 | |
| 6.8 | 113.33 | 2.5 | 1450 | 7.8 | 11 | 5 | 160M-4B3 | |||||
| 70×2 | 22 | 366.67 | 0.4 | 1450 | 5 | 7.5 | 4 | 100 | 65 | 105 | 132M-4B3 | |
| 13 | 216.67 | 0.4 | 970 | 3.5 | 4 | 132M1-6B3 | ||||||
| 70×4 | 22 | 366.67 | 1.0 | 1450 | 9.5 | 15 | 4 | 100 | 65 | 120 | 160L-4B3 | |
| 13 | 216.67 | 1.0 | 970 | 6.5 | 11 | 160L-6B3 | ||||||
| 3GW 3GCW (3cst) | 50×2 | 7.5 | 125 | 0.4 | 1450 | 1.7 | 2.2 | 4 | 80 | 50 | 80 | 100L1-4B3 |
| 4.3 | 71.67 | 0.4 | 970 | 1.2 | 1.5 | 100L-6B3 | ||||||
| 50×4A | 7.5 | 125 | 1.0 | 1450 | 4.8 | 7.5 | 4 | 80 | 50 | 90 | 132M-4B3 | |
| 4.3 | 71.67 | 1.0 | 970 | 3.5 | 4.0 | 132M1-6B3 | ||||||
| 泵型號 | 流 量 | 壓力 P MPa | 轉(zhuǎn)速 n r/min | 功率p(kw) | 允許吸上真空高度 HS(m) | 進口 mm | 出口 mm | 泵重量 w(kg) | 電機型號 (Y系列) | |||
| M3/h | L/min | 軸功率 | 電機 功率 | |||||||||
| 3G 3GC 3GR 3GCR (75cst) | 36×6 A | 6 | 100 | 4.0 | 2900 | 10 | 15 | 5 | 50 | 40 | 25 | Y160M2-2B3 |
| 5 | 83.33 | 6.0 | 15.5 | 18.5 | Y160L-2B3 | |||||||
| 2.4 | 40 | 4.0 | 1450 | 4.8 | 5.5 | 5.5 | Y132S-4B3 | |||||
| 2 | 33.33 | 6.0 | 7.7 | 11 | Y160M-4B3 | |||||||
| 36×6 B | 6 | 100 | 4.0 | 2900 | 10 | 15 | 5 | 50 | 40 | 42 | Y160M2-2B3 | |
| 5 | 83.33 | 6.0 | 15.5 | 18.5 | Y160L-2B3 | |||||||
| 2.4 | 40 | 4.0 | 1450 | 4.8 | 5.5 | 5.5 | Y132S-4B3 | |||||
| 2 | 33.33 | 6.0 | 7.7 | 11 | Y160M-4B3 | |||||||
| 42×4 A | 10.5 | 175 | 1.0 | 2900 | 4.9 | 5.5 | 4.5 | 65 | 40 | 60 | Y132S1-2B3 | |
| 10 | 166.67 | 2.5 | 9.5 | 15 | Y16M2-2B3 | |||||||
| 4.8 | 80 | 1.0 | 1450 | 2.4 | 4 | 5 | Y112M-4B3 | |||||
| 4.2 | 70 | 2.5 | 4.7 | 5.5 | Y132S-4B3 | |||||||
| 42×6 A | 10 | 166.67 | 4.0 | 2900 | 16 | 18.5 | 4.5 | 65 | 40 | 70 | Y160L-2B3 | |
| 9 | 150 | 6.0 | 21.5 | 30 | Y200L1-2B3 | |||||||
| 4.2 | 70 | 4.0 | 1450 | 7.5 | 11 | 5 | Y160M-4B3 | |||||
| 3.6 | 60 | 6.0 | 10 | 15 | Y160L-4B3 | |||||||
| 3Gr 3GCr (3cst) | 36×6 A | 5 | 83.33 | 2.5 | 2900 | 6.2 | 7.5 | 4 | 50 | 40 | 25 | Y132S2-2B3 |
| 2 | 33.33 | 2.5 | 1450 | 3.1 | 4 | Y112M-4B3 | ||||||
| 36×6 B | 5 | 83.33 | 2.5 | 2900 | 6.2 | 7.5 | 4 | 50 | 40 | 42 | Y132S2-2B3 | |
| 2 | 33.33 | 2.5 | 1450 | 3.1 | 4 | Y112M-4B3 | ||||||
| 42×4 A | 10 | 166.67 | 1.0 | 2900 | 4.5 | 5.5 | 4 | 65 | 40 | 60 | Y132S1-2B3 | |
| 4.2 | 70 | 1.0 | 1450 | 2.4 | 4 | Y112M-4B3 | ||||||
| 42×6 A | 9 | 150 | 2.5 | 2900 | 10.5 | 15 | 4 | 65 | 40 | 70 | Y160M2-2B3 | |
| 3.6 | 60 | 2.5 | 1450 | 4.8 | 5.5 | Y132S-4B3 | ||||||
| 3GW 3GCW (3cst) | 36×6 A | 5 | 83.33 | 2.5 | 2900 | 6.2 | 7.5 | 4 | 50 | 40 | 25 | Y132S2-2B3 |
| 2 | 33.33 | 2.5 | 1450 | 3.1 | 4 | Y112M-4B3 | ||||||
| 42×4 A | 4.2 | 70 | 1.0 | 1450 | 2.4 | 4 | 4 | 65 | 40 | 60 | Y112M-4B3 | |
| 2.3 | 38.33 | 1.0 | 970 | 1.9 | 2.2 | Y112M-6B3 | ||||||
| 42×6 A | 3.6 | 60 | 2.5 | 1450 | 4.8 | 5.5 | 4 | 65 | 40 | 70 | Y132S-4B3 | |
| 1.8 | 30 | 2.5 | 970 | 2.6 | 3 | Y132S-6B3 | ||||||
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