self-operated (before-valve) pressure control valve
| Min. Order: | 1 Piece/Pieces |
|---|---|
| Payment Terms: | L/C, D/P, D/A, T/T, WU |
| Supply Ability: | 50-100 each month |
| Place of Origin: | Zhejiang |
Company Profile
| Location: | Shaoxing, Zhejiang, China (Mainland) |
|---|---|
| Business Type: | Manufacturer, Trading Company |
| Main Products: | Pressure Single Seat Control Valve, Penumatic Linear Control Valve, Pneumatic Control Butterfly Valve, Pneumatic Cage Type Regulating Valve, Self Acting Control Valve |
Product Detail
| Model No.: | TSV230D1 |
|---|---|
| Means of Transport: | Ocean, Air, Land |
| Brand Name: | TiSun |
| functions:: | for control |
| Exp Region:: | America, Europea, east asia |
| Production Capacity: | 50-100 each month |
| Packing: | WODDEN CATTON |
| Delivery Date: | as per the quantity |
Product Description
Body
DN | DN15,20,25,32,40,50,65,80,100,125,200,250mm | |
PN | PN1.6,4 .0MPa | |
Flange standard | ANSI,JIS,DIN GB JB(special standards can be offered according to user requirements) | |
Body material | Cast iron (HT200), cast steel (ZG230-450), cast stainless steel (ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2T i) | |
Plug material | Hard seal | Stainless steel (1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti) |
Soft seal | Stainless steel embedded with rubber ring | |
Pressure balancing | Stainless steel bellows (DN15~125), balanced diaphragm (DN150~250) | |
Actuator
Effective area (cm2) | 32 ※ | 80 | 250 | 630 |
Pressure setting range | 1.0~1.6 0.3~1.1 | 0.1~0.5 0.05~0.25 | 0.015~0.12 0.01~0.06 | 0.005~0.035 |
Minimum differential pressure that ensures normal work of the pressure valve | ≥0.05 | ≥0.04 | ≥0.01 | ≥0.005 |
Allowable maximum differential pressure between the upper a nd lower diaphragm chambers | 2.0 | 1.25 | 0.4 | 0.15 |
Material | Diaphragm cover: galvanized steel sheet; Diaphragm: EPDM or FKM with fiber | |||
Control pipeline connection | Copper pipe or steel pipe Φ10X 1(mm); Ferrule connection: R1/4" | |||
Note: ※The pressure setting range corresponding to the effective area does not apply to valves with DN150-250.
Performance
Set value error | ±8% | |||
Allowable leakage (under stipulated testing conditions) | Hard seal | 4×0.01% valve rated capacity | ||
Soft seal | DN15~50 | DN65-DN125 | DN150~250 | |
10 bubbles/ min | 20 bubbles/min | 40 bubbles/min | ||
Structural figure
1Body | 2Seat | 3 Valve shaft | 4 Bonnet | 5 Diaphragm | 6 Diaphragm |
7 Spring | 8 Adjusting nut | 9 Pressure pipe | 10 Bellows | 11 Balanced diaphragm | 12 Charging valve |
Allowable working temperature
DN | 15~125mm | 150~250mm | |
seal type | Hard seal | ≤150℃ | ≤140℃ |
Cooling tank≤200℃ | Cooling tank and extension ≤200℃ | ||
Cooling tan k and heat sink ≤350℃※ | Cooling tank and extension ≤300℃※ | ||
Soft seal | ≤150℃ | ||
Note: ※It indicates the allowable working temperature is valid only when the medium is steam
and the body with PN40 shall be adopted w hen the temperature resistance is 350℃.
Rated flow coefficient, noise measuring coefficient, allowable differential pressure
DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | |
Rated flow coefficient | 4 | 6.3 | 8 | 16 | 20 | 32 | 50 | 80 | 125 | 160 | 280 | 320 | 450 | |
Noise measuring coefficient Z value | 0.6 | 0.6 | 0.6 | 0.55 | 0.55 | 0.5 | 0.5 | 0.45 | 0.4 | 0.35 | 0.3 | 0.2 | 0.2 | |
Allowable differential | PN16 | 1.6 | 1.5 | 1.2 | 1 | |||||||||
pressure (Mpa) | PN40 | 2 | ||||||||||||