MS-F63-PSR

MS-WCV Drawings

F63-PSR PRESSURE RELIEF VALVE

Fig No.: F6316-PSR (PN16) / F6325-PSR (PN25)

FEATURES & SPECIFICATIONS

Pressure relief valve operates whenever the system pressure exceeds the preset pressure of the pilot, the valve will immediately open to release excess pressure.
Keep the system in a safety environment.
Full bore globe pattern design for superior control characteristic.
Nylon reinforced diaphragm for long-lasting performance.
Durable fusion bonded epoxy coated.
Flange drilled to EN 1092-2 PN16 / EN 1092-2 PN25 / ANSI Class 150.
Design comply with EN 1074-5.

Categories: Mechanical Service & HVAC, Water Control Valves

Description

PRESSURE & TEMPERATURE RATINGS

Working Pressure	16bar / 25bar
Shell Testing Pressure (x1.5)	24bar / 37.5bar
Seat Testing Pressure (x1.1)	17.6bar / 27.5bar
Working Temperature	-20°C … 110°C (EPDM) -10°C … 80°C (NBR)
Suitable Media	Water
Setting Range	1 … 12bar

Material Specification

Part	Material	Specification
Body	Ductile Iron	EN-JS 1050
Bonnet	Ductile Iron	EN-JS 1050
Plug	Stainless Steel 304	AISI 304
Stem	Stainless Steel 304	AISI 304
Seat	Stainless Steel 304	AISI 304
Seat Retainer	Stainless Steel 304	AISI 304
Spring	Stainless Steel 304	AISI 304
Diaphragm	Nylon Reinforced Rubber	EPDM + Nylon Fabric
Seal Ring	Rubber	EPDM
O-Ring	Rubber	NBR

DIMENSIONS

DN	(mm) (inch)	50 2	65 2½	80 3	100 4	125 5	150 6	200 8	250 10	300 12
	L	230	290	310	350	400	480	600	730	850
	H	177	202	219	243	243	333	428	478	538
	D	165	185	200	220	250	285	340	405	460
	B	99	118	132	156	156	211	266	319	370

Pilot Valve Specification

No.	Description	Material
1	Cap	ABS Plastic
2	Adjusting Screw	SS304
3	Jam Nut	SS304
4	Spring Table	SS304
5	Bonnet	SS304
6	Spring	Spring Steel
7	Nut	SS304
8	Spring Table	Spring Steel
9	Fixing Holder	SS304
10	Screw	SS304
11	Diaphragm	Nylon Reinforced + EPDM
12	Gasket	SS304
13	O-Ring	NBR
14	Internal Body	SS304
15	O-Ring	NBR
16	O-Ring	NBR
17	Stem	SS304
18	Disc	SS304 + EPDM
19	Body	SS304

Valve Composition

No.	Part
1	Main Valve
2	Needle Valve
3	Pilot Valve (P200)
4	Ball Valve
5	Inlet Pressure Gauge
6	Strainer

Typical Connection