ENZYC Self Pressure Diffential Control Valve is such a valve as using the self pressure variation to do self control while keep the pressure differential of the medium flowing through this controlled system unchanged. Suitable for the pressure differential control of the warming supply using a dual-pipeline system to guarantee the system basically unchanged, lower the noise, balance the resistance and get rid of the heat-net and hydraulic imbalance.

Model	PN(MPa)	Casing test pressure	Control range of pressure differential
			Fixed pressure differential type	Adjustable pressure differential type
ZYC-16	1.6	2.4 MPa	10KPa、20KPa、30KPa	10~30KPa

DN mm	Way   of connection	L mm	D	D1	D2	H(mm)		Flow (m3/h)	Medium used	Medium temperature	Part material
						Fixed pressure differential type	Adjustable pressure differential type
15	Thread	110	95	65	45	95	145	0.2-1	Water	0~100℃	Body, upper and lower bonnets: cast iron valve core: copper membrane: nylon reinforced rubber spring: stainless steel
20		110	105	75	55	110	150	0.3- 1.5
25		115	115	85	65	130	165	0.5-2
32	Flange	130	135	100	78	140	190	1-4
40		200	145	110	85	190	340	1.5-6
50		215	160	125	100	205	355	2-8
65		230	180	145	120	240	390	3-12
80		275	195	160	135	300	500	5-20
100		290	215	180	155	350	550	10-30
125		310	245	210	185	380	580	15-45