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KZSNC pneumatic piston cut-off valve
Overview of KZSNC Pneumatic Piston Cut off Valve:
Product details
KZSNC pneumatic piston cut-off valvesummary:
ZSP (N) C-type pneumatic piston normal temperature and medium temperature shut-off valve, consisting of a pneumatic piston actuator and a shut-off valve. According to the sealing surface material of the valve core, it can be divided into hard seal and soft seal; according to the structure of the valve core, it can be divided into single guide flat plate type and single guide balanced type. It has the characteristics of simple structure, reliable action, tight cutting, and fast closing and opening. Suitable for gas and liquid media without particles or impurities, requiring fast and tight closure and rapid venting in automatic control systems.
KZSNC pneumatic piston cut-off valveSpecification and model:
| category | Room temperature hard seal | Room temperature soft seal | Medium temperature hard seal | Room temperature hard seal with handwheel | Room temperature soft seal with handwheel | Medium temperature hard seal with handwheel |
| Model | ZSP(N)C1-（16/64）B K | ZSP(N)C2-（16/64）B K | ZSP(N)C1-（40/64）B KG | ZSPC1-（16/64）B K | ZSPC2-（16/64）B K | ZSPC1-（40/64）B K |
| specifications | DN20-200 | |||||
KZSNC pneumatic piston cut-off valveMain technical parameters:
| Nominal pressure mm | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | ||
| Valve seat diameter mm | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| Rated flow coefficient Kv | 6.5 | 10 | 15 | 25 | 40 | 65 | 100 | 125 | 260 | 350 | 540 |
| Nominal pressure MPa | 1.6； 4.0； six point four | ||||||||||
| Travel distance mm | 10 | 16 | 25 | 30 | 40 | 60 | |||||
| Traffic characteristics | Quick open | ||||||||||
| Medium temperature ℃ | Soft seal: -40~150 (normal temperature type); Hard seal: -40~200 (normal temperature type), -40~450 (medium temperature type) | ||||||||||
| Flange size and type | PN16 according to JB78-59 smooth type; PN40、 64 according to JB/T79.2-94 concave | ||||||||||
| body material | ZG230-450； ZG1Cr18NI9 Ti； ZG0Gr18N12Mo2Ti | ||||||||||
| Valve seat and valve core material | 1Cr18NI9； 0Cr18Ni12Mo2Ti | ||||||||||
| Upper valve cover type | Ordinary type (constant temperature type); Hot plate (medium temperature type) | ||||||||||
We can provide flange structure types such as GB, ANSI, JP, JIS, DIN, etc. The flange distance can be determined according to user needs.
KZSNC pneumatic piston cut-off valveperformance index
| Nominal pressure mm | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | |||
| Valve seat diameter mm | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
| Leakage rate of soft seal | Water test △ P=△ Pmax mlmin | 0 | ||||||||||
| Gas test △ P=0.35MPa Bubble count/min | 1 | 1 | 2 | 3 | 4 | 6 | 11 | 18 | 27 | 45 | ||
| Leakage rate of hard seal | Water test MPa | 4.0 | 3.0 | |||||||||
| ml/min | 0.24 | 0.30 | 0.38 | 0.48 | 0.60 | 0.78 | 0.96 | 1.2 | 1.125 | 1.35 | 1.8 | |
| Gas test △ P=0.35MPa ml/min | 23.3 | 29.2 | 37.3 | 46.7 | 58 | 75.8 | 93.3 | 116.7 | 145.8 | 175 | 233.3 | |
| Cut off time S | 0.5 | 1 | 1.5 | 2 | 3 | 4 | ||||||
| Rated travel deviation% | ±6 | |||||||||||
KZSNC pneumatic piston cut-off valveOrdering Notice:
1. Product model and name 2. Nominal diameter (DN) 3. Nominal pressure (PN) 4. Rated flow coefficient KV 5. Material of valve body and internal components 6. Fixed flow characteristics
7. Applicable temperature and medium 8. Operating mode of the whole machine (electric on/off) and input signal 9. Whether accessories (operator, servo amplifier, etc.) are included 10. Other special requirements
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