Feature:

• Accurate control
• Valve leakage meets ANSI Class IV
• High reduction ratio (20:1)

Specifications

Features	For steam, large capacity, great accuracy
Type	Pilot operated diaphragm type
Specifications	Product type	Pilot-operated type
	Nominal size	15A (1/2") - 200A (8")
	Application	Steam
	End connection	JIS Rc or NPT screwed,JIS 20K RF flanged,JIS 10K FF flanged, ASME Class 150 or 300 flanged
	Inlet pressure	0.1 - 2 MPa (0.1 - 1.0 MPa for JIS 10K)
	Reduced pressure	0.02 - 1.7 MPa (*)
	Max. temperature	220 degree(C)
	Reduced pressure	85% or less of the inlet pressure(gauge pressure)
	Min. differential pressure	0.05 MPa
	Max. pressure reduction ratio	20 : 1
	Working temperature	Max. 220 degree(C)
	Valve seat leakage	0.01% or less of rated flow
Material	Body	Ductile cast iron
	Main valve, valve seat	Stainless steel
	Pilot valve, pilot valve seat	Stainless steel
	Diaphragm	Stainless steel

Remarks
* Reduced pressure
A: 0.02-0.15 MPa
B: 0.1-1.4 MPa
C: 1.3-1.7 MPa
(0.02-0.85MPa for JIS 10K and ASME 150)

Dimensions and Weights (screwed)

Size	L (mm)	H (mm)	Weight (kg)	Cv value
15A(1/2)	150	398	14.0	5
20A(3/4)	150	398	14.0	7.2
25A(1)	160	404	18.5	10.9
32A(1-1/4)	180	434	21.5	14.3
40A(1-1/2)	180	434	21.5	18.8
50A(2)	230	498	33.0	32

Dimensions and Weights (JIS 20K RF flanged)

Size	L (mm)	H (mm)	Weight (kg)	Cv value
15A(1/2)	146	398	15.5	5
20A(3/4)	146	398	16	7.2
25A(1)	156	404	21	10.9
32A(1 1/4)	176	434	24	14.3
40A(1 1/2)	196	434	24.5	18.8
50A(2)	222	498	36	32
65A(2 1/2)	282	552	64.5	54
80A(3)	302	575	71.5	70
100A(4)	342	658	111	108
125A(5)	400	658	115	112
150A(6)	465	814	234.3	225
200A(8)	469	814	242	234

About flow rate
Selection data：



Dimensional drawing