Water PRV

Size Range : 1/2″ to 3″ Screwed / Flanged

Description

The gate is designed for opening status, which will not fluence the water supply function under unstable inlet pressure condition.
When the outlet pressure responds directly to the pressure control chamber and the setting pressure, it responds quickly and adjusts the pressure accurately.
Pressure Adjusting Range : 1 ~ 5 kgf/cm2, 4 ~ 9 kgf/cm2, (special order is needed for other range)
Valve Body Testing Pressure : 24 kgf/cm2
Maximum Applied Pressure : 16 kgf/cm2
Pressure needed form fully-closed gate to fully-opened
gate 1 kgf/cm2 (1 kgf/cm2 = 14.2 psi)
Applied Temperature : -15 ~ 80 °C
Applied Condition : Fluid & Air

Dimensions : (All Dimensions are in mm)
Valve Model	Valve Size		L	H	CV	Weight Approx.
Valve Model	MM	Inch	L	H	CV	Weight Approx.
4M-SDF – 15	15	1/2″	61	70.5	2	0.532
4M-SDF – 20	20	3/4″	71	74	6	0.656
4M-SDF – 25	25	1″	81	83	8	0.887
4M-SDF – 32	32	1.1/4″	90.5	121	16	1.289
4M-SDF – 40	40	1.1/2″	110.5	125.5	18	2.261
4M-SDF – 50	50	2″	115	125.5	21	2.642
4M-SDF – 65	65	2.1/2″	158	134	—-	On Req.
4M-SDF – 80	80	3″	180	141	—-	On Req.

No.	Description	Material	Qty.
01	Body	CF8 / CF8M	01
02	Bonnet	CF8 / CF8M	01
03	Plug	CF8 / CF8M	01
04	Plug V – Seal	NBR / Viton	01
05	Sealing Spacer Seat	NBR / Viton / PTFE	01
06	Piston	S. S. 304 / 316	01
07	Bonnet Cover	CF8 / CF8M	01
08	Diaphragm	NBR / Viton / PTFE	01
09	End Cover	CF8 / CF8M	01
10	Spring	Spring Steel	01
11	Spring Guide	Brass / S. S. 410	01
12	Diaphragm Washer	S. S. 304 / 316	01
13	Adjusting Piston Bolt	S. S. 304 / 316	01
14	End Cover O – Ring	NBR / Viton	01
15	Cover for O – Ring	NBR / Viton	01
16	Bonnet Fitting Bolt Bonnet Fitting Washer	S. S. 304 / 316	06
17	Adjusting Bolt	S. S. 304 / 316	01
18	Adjusting Nut	S. S. 304 / 316	01