Complaint
| Nominal Diameter DN | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
| Valve seat diameter(dn) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
| Rated flow coefficient (KV) | Single seat | 6.9 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 630 | 875 | 1250 |
| sleeve | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 155 | 250 | 370 | 580 | 900 | 1300 | |
| Allowable pressure difference(Mpa) | Single seat | 3.8 | 3.2 | 3.0 | 2.0 | 1.8 | 1.5 | 1.4 | 1.0 | 0.7 | 0.6 | 0.5 | 0.3 | 0.1 |
| sleeve | 6.4 | 6.4 | 5.2 | 5.2 | 4.6 | 4.6 | 3.7 | 3.7 | 3.5 | 3.1 | 3.1 | 2.6 | 2.2 | |
| Nominal pressure difference(MPa) | 1.6,2.5,4.0,6.4,10.0 | |||||||||||||
| rated stroke(mm) | 16 | 25 | 40 | 60 | ||||||||||
| Valve cover form | High temperature type (+250~+450ºC), special customization | |||||||||||||
| Gland form | Bolt compression type | |||||||||||||
| sealing packing | V-type polytetrafluoroethylene filler, V-type flexible graphite filler | |||||||||||||
| Valve core form | Single seat, sleeve type | |||||||||||||
| Flow characteristics | Equal percentage, linear type | |||||||||||||
| Configure actuator categories | 3810 series, PSL series and other electric actuators (customer designated brands are also acceptable) | |||||||||||||
| Actuator parameters | supply voltage:220v, Input signal:4-20mA OR 1-5V.DC,output signal:4-20mA.DC | |||||||||||||
| Protection level: equivalent to IP65, explosion-proof sign: ExdIIBT4 (ExdIIBT6 specially customized), manual function: handle | ||||||||||||||
| Environmental temperature: -25~+70ºC, environmental humidity: ≤95% | ||||||||||||||
| Item | Indicator value | ||
| intrinsic error% | join in marriage 3810L±2.5,join in marriage PSL±1.0 | ||
| return difference% | join in marriage 381L±2.0, join in marriage PSL±1.0 | ||
| dead zone% | 1.0 | ||
| Always point deviation% | teletransmission | Starting point±2.5 | End±2.5 |
| Starting point±2.5 | End±2.5 | ||
| Electric shutdown | Starting point | ±2.5 | |
| End | ±2.5 | ||
| Rated stroke deviation% | ≤2.5 | ||
| Leakage amount L/h | 0.01%·Valve rated capacity | ||
| Adjustable range R | 30:1 | ||
| Valve body | WCB,CF8,CF8M,CF3,CF3M,2520,2507,Hastelloy, titanium alloy |
| Pad | PTFE,Metal graphite gasket, metal toothed gasket |
| Valve seat | 304,316,316L,special |
| Valve core assembly | 304,316,316L,special |
| Filler | PTFE,PPL,Flexible graphite |
| Packing gland | WCB,CF8,CF8M,CF3,CF3M,2520,2507,Hastelloy, titanium |
Q1: Are you a manufacturer or a trading company?
A1: We are a manufacturer located in Wenzhou City, Zhejiang Province, China.
Q2: Do you accept customized orders?
A2: YES! We can supply customized valves.
Q3: What is lead time of your product?
A3: Normally, our factory lead time is within 7~15 working days for products without customization. You can also check lead time detail with our sales depending on different items.
Q4: What's the transport?
A4: Express such as DHL, FedEx, TNT, UPS for freight prepaid; and we can also use your own courier account to do the freight collect. For more goods we can arrange by air or by Sea.
Q5: What is your terms of payment ?
A5: We could accept T/T, L/C
