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Pneumatic parallel cut off valve

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Pneumatic parallel cut off valve

Model: ZSDⅡC (DX)
Nominal diameter: DN40 ~ 700mm
Nominal pressure: PN1.6 ~ 10.0MPa
Design and manufacture: GB / T12234-89
Structure length: GB / T12221-89
Flange size: JB79 GB / T9112-9131
Inspection and testing: JB / T9092-99 GB / T13927-92

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產品詳細

Structural characteristics and working principle

1, the output of the implementing agencies through the valve stem on the role of the main spool, is designed to a certain angle, the main spool, converted into horizontal force around, but also through the secondary spool, sealing plate squeeze the two seats to form a double Negative seal, the seal does not leak, the torque is small, the switch valve seal with friction-free, fundamentally solve the spool stuck in the valve body or open the shortcomings of the phenomenon.

2, the pneumatic actuator adopts piston-type mechanism, the solenoid valve as the upper and lower part of the cylinder to control intake and exhaust switching elements to control the vertical opening and closing pieces for vertical displacement to control the valve opening and closing purposes,

3, with the use of the echo device for sending the valve switch-like signal, solenoid valve to achieve long-distance control, centralized control, automatic control, and on-site operation.

5, the valve opening and closing state of the scene instructions, the coat of the extension of the indicator rod to rise and fall, marking the valve is fully open (outrigger in the highest position), the valve is fully closed (outrigger in the lowest position).

6, with a single spring-reset pneumatic device or air tank to ensure that the power supply, air supply failure automatically switch, safe, reliable, speed, environmental protection, energy saving.

The main dimensions
Nominal diameter [DN]		40	50	65	80	100	125	150	200	250	300	350	400	450	500	600	700
L / mm
H / mm	1.6, 2.5MPa	△	△	△	△	865	965	1065	1345	1550	1810	2010	2295	2510	2700	3240	3655
	4.0	△	△	△	△	892	995	1146	1417	1642	1896	2090	2312	2594	2804	3278	-
	6.4	△	△	△	△	892	995	1146	1417	1642	1896	2090	2312	2594	2804	3278	-
	10.0	△	△	△	895	906	1010	1162	1432	1658	1912	2105	2328	2610	2820	3295	-
Note Note		△ for the coat type

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