Spring piston pressure reducing valve

Technical Parameters

Product model: Y42X
Nominal diameter: DN20~400mm
Nominal pressure: PN1.6~2.5Mpa
Applicable temperature: 0-80 ℃
Applicable medium: water, air

Product Details

Product Overview
This series of pressure reducing valves belongs to the pilot piston type pressure reducing valve. It consists of two parts: the main valve and the pilot valve. The main valve is mainly composed of parts such as the valve seat, main valve disc, piston, cylinder liner, spring, etc. The pilot valve is mainly composed of parts such as valve seat, valve disc, diaphragm, spring, adjustment spring, etc. By adjusting the spring pressure to set the outlet pressure, using a diaphragm to sense the change in outlet pressure, and adjusting the size of the flow area at the throttle position of the main valve through the opening and closing of the pilot valve to drive the piston, the pressure reducing and stabilizing function is achieved.

Main overall connection dimensions

DN	Main overall connection dimensions
	L		H	Hl
	1.6/2.5MPa	4.0MPa	H	Hl
15	160	180	295	90
20	160	180	330	98
25	180	200	330	110
32	200	220	330	110
40	220	240	345	125
50	250	270	345	125
65	280	300	350	130
80	310	330	385	160
100	350	380	385	170
125	400	450	400	200
150	450	500	415	210
200	500	550	475	240
250	650		525	290
300	800		580	335
350	850		620	375
400	900		660	405
450	900		730	455
500	950		750	465

Main overall connection dimensions(PN6.4-16.0)：

DN	Main overall connection dimensions
	L		H	Hl
	6.4MPa	10.0/16.0MPa	H	Hl
15	180	180	305	105
20	180	200	340	105
25	200	220	340	120
32	220	230	340	120
40	240	240	355	135
50	270	300	355	135
65	300	340	360	140
80	330	360	395	17
100	380		400	185
125	450		415	215
150	500		430	225
200	550		495	260
250	650		545	310
300	800		600	355
350	850		640	395
400	900		690	435
500	950		780	495

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