COOSAI valve group
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Bronze Material Single seat Pneumatic control valve
| Design Reference | GB/T17213,IEC 60534,GB/T4213 |
| Design Standard | GB/T17213,IEC 60534,GB/T4213 |
| Structural Length | GB/T17213.3-2005,IEC60534-1:2000, ASNI/ISA.S75.15:1987,ANSI/ISA.S75.16:1987 |
| Flanged ends | ASME B16.5 |
| Test & inspection | GB/T17213.4-2005,IEC60534-4:1999 |
Pneumatic control valve
Design standard: ASME B16.34
Face to face:ISA 75.08.01
Flange standard:JIS10K,ANSI 150#,DIN PN16.....
Pneumatic control valve
Design standard: ASME B16.34
Face to face:ISA 75.08.01 ISA S75.16
Flange ends: ASME B 16.5 ASME B16.47
Inspectin standard: ISA 75.19.01
Pneumatic control valve Main Features
1. Equipped with MF or MFA series multiple springs diaphragm actuators produced by our company, with compact structure, and large output force. Positive and negative effects of the actuators are easy to transform.2. Small pressure drop loss, large capacity with high precision, and large adjustable range.
3. Large oriented coverage, resistance to shock
4. Quick replaceable valve seat, convenient maintenance.
5. Its leakage Volume satisfy the requirements of the IEC 60534-4 Class IV.
6. Adjustable range: 1:50
Return Difference; Intrinsic Error; Dead Area; Deviation between Ends; Deviation of Nominal Stroke
| Pneumatic control valve Items | Without Localizer | With Localizer | |||||||||||
| A | B | C | D | E | A | B | C | D | E | ||||
| Limit of Intrinsic Error | ±15 | ±10 | ±8 | ±6 | ±5 | ±4.0 | ±2.5 | ±2.0 | ±1.5 | ±1.0 | |||
| Return Difference | 10 | 8 | 6 | 5 | 3 | 3.0 | 2.5 | 2.0 | 1.5 | 1.0 | |||
| Dead Area | 8 | 6 | 5 | 4 | 3 | 1.0 | 1.0 | 0.8 | 0.6 | 0.4 | |||
| Limit of Intrinsic Error | Air to Open | Initial Point | ±6.0 | ±4.0 | ±4.0 | ±2.5 | ±2.5 | ±2.5 | ±2.5 | ±2.0 | ±1.5 | ±1.0 | |
| End Point | ±15 | ±10 | ±8 | ±6 | ±5 | ||||||||
| Air to Close | Initial Point | ±15 | ±10 | ±8 | ±6 | ±5 | |||||||
| End Point | ±6.0 | ±4.0 | ±4.0 | ±2.5 | ±2.5 | ||||||||
| Deviation of Nominal Stroke | Metallic Seal | +6 | +4 | +4 | +2.5 | +2.5 | +2.5 | +2.5 | +2.5 | +2.5 | +2.5 | ||
| Elastic Seal | Measured Stroke >Nominal Strike | ||||||||||||
