RP-1H Steam Pressure Reducing Valve, WCB, PN 1.6-4.0 MPa

Parts & Materials:
Body, Bonnet, Bottom, Cap: WCB. 
Seat, Plug: 410 S.S. 
Sleeve, Piston: C95800.
Diaphragm: 304 S.S. 
Piston Ring: Iron–nickel Alloy/PPL.
Regulative Spring: UNS G92600. 
Spring: ASTM 6150. 
Pilot Valve Spring: ASTM 6150. 
Pilot Seat Pilot Stem: 410 S.S.

Performance:

Nomial Pressure (MPa)	1.6	2.5	4.0	6.4	10.0	16.0
Shell Test Pressure (MPa)	2.4	3.75	6.0	9.6	15.0	24
Sealing Test Pressure (MPa)	1.6	2.5	4.0	6.4	10.0	16.0
Maximum Input Pressure (MPa)	1.6	2.5	4.0	6.4	10.0	16.0
Output Pressure Scope (MPa)	0.04-1.0	0.05-1.6	0.08-2.5	0.2-3.5	0.5-3.5	0.5-4.5
Minimum Pressure Difference (MPa)	0.07	0.1	0.15	0.4	0.5	0.8

Flow Coefficient (Cv):

DN	50	65	80	100	125	150	200	250	300	350	400	500
Cv	24	30	50	85	130	190	300	480	680	925	1150	1900

Dimensions (PN 1.6 - 4.0 MPa):

Nominal Diameter DN	External Dimensions
	L		H	Hl
	1.6/2.5MPa	4.0MPa
15	160	180	265	85
20	160	180	265	85
25	180	200	280	95
32	200	220	280	95
40	220	240	290	105
50	250	270	300	130
65	280	300	315	145
80	310	330	330	170
100	350	380	405	200
125	400	450	450	225
150	450	500	485	265
200	500	550	570	290
250	650		640	325
300	800		740	360
350	850		810	395
400	900		950	430
500	950		1080	500