RP-1H Steam Pressure Reducing Valve, WCB, PN 6.4-16.0 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

 

Nominal Diameter DN	External Dimensions
	L		H	Hl
	6.4MPa	10.0/16.0MPa
15	180	180	280	100
20	180	200	280	100
25	200	220	300	115
32	220	230	300	115
40	240	240	315	130
50	270	300	340	135
65	300	340	355	150
80	330	360	370	175
100	380		450	205
125	450		510	235
150	500		555	275
200	550		640	300
250	650		720	335
300	800		830	375
350	850		880	410
400	900		1020	445
500	950		1080	515