Delivery Time:7-15 working days after received your payment
Certification:CE,TRCU,ISO9001

Stainless Steel Single Seat  Automatic Control Valve for BW / SW / Flange Connection

Self-operated pressure single-seat  stainless steel control valve with pilot

General

     ZZZYP Series of Self-operated Pressure Control Valve with Pilot does not need any external power source. It is a product that uses power from adjusted fluid and hence regulates itself automatically. The valve uses a regulating mechanism which has the balanced single-seat valve quick flow characteristic. Internally it uses movable components which have no filter and no friction. It has many characteristics including stable fluid pressure; high adjusting precision; could be used to control micro pressure; safe and reliable sealing performance; and can easily be adjusted on the set value during operation. It is widely used for the micro pressure automatic regulation of all kinds of fuel and half-finished petroleum or automatic adjustment on micro pressure of gas and oil tank storage and gas protection (Nitrogen sealing) tank and heat shielding gas protection occasions.

Characteristic:

1. It’s without any external driving energy, and low equipment cost;

2. Simple structure&small maintenance workload;

3. Pressure set point adjustment is convenient

4.Taking pressure from body,and pipeline installation is convenient;

5. Sensitive control&high control precision

1. Main technical parameters                                                            Table 1

DN(mm)	15	20	25	32	40	50	65	80	100	125	150
Rated flow coefficient Kv	3.2	6.3	10	16	25	40	63	100	160	250	400
Rated travel L(mm)	10	20	30
Actuator type(cm2)	200	400	600
PN(MPa)	1.6
Inherent flow characteristic	Quick opening
Action type	Press to close (control outlet), press to open (control inlet)
Structure type	Single seat
Inherent adjustable ratio R	30
Regulation accuracy (%)	±5
Reduction ratio	500︰1
Medium temperature (℃)	Gas＜120℃
Allowable leakage	Ⅵ,Zero leakage (soft sealing)
Flange connection	PN1.6MPa according to HG/T20592-2009 RF,Raised surface
Pressure regulating range (KPa)	0.25～3,0.5～5,3～10,5～14,10～20,20～30 25～40,40～55,50～70,70～85,80～100

2. Main technical parameters       KV≤7                                                 Table 2

DN(mm)	15    20   25
Seat diameter dn(mm)	20
Rated flow coefficient Kv	0.2	0.32	0.5	0.8	1.2	2.0	3.2	7

Note:1. Production can be according to customers’ special requirements;

  2. Flange can be produced according to ANSI,JIS, etc.; 

3. When the flow is small the diameter stays unchanged; use v