F63-PPR-LF PRESSURE REDUCING VALVE WITH LOW FLOW BY-PASS

PN16     Fig No.: F6316-PPR-LF

FEATURES & SPECIFICATIONS
Automatic reduces the higher inlet pressure to a steady lower downstream pressure, regardless of fluctuating demand or varying upstream pressure.
The low flow by-pass lets a small amount of fluid pass through to keep the pressure steady when demand is low. This stop the valve from constantly turning on and off.
Pilot-operated regulator capable of holding downstream pressure to a pre-determined limit. The main valve and pilot valve will close when the downstream pressure exceeds the setting of the control pilot.
Full bore globe pattern design for superior control characteristic.
Nylon reinforced diaphragm for long-lasting performance.
Durable fusion bonded epoxy coated.
Design comply with EN 1074-5.
Flange drilled to EN 1092-2 PN16 / ANSI Class 150 (Specify on order).
Working pressure : 16bar.
Shell test pressure (x1.5) : 24bar.
Seat test pressure (x1.1) : 17.6bar.
Working temperature : -20°C … 110°C (EPDM) / -10°C … 80°C (NBR).
Suitable Media : Water.
Setting Range : 1 … 12bar.

Materials

Body Ductile Iron
Bonnet Ductile Iron
Plug Stainless Steel 304
Stem Stainless Steel 304
Seat Stainless Steel 304
Seat Retainer Stainless Steel 304
Spring Stainless Steel 304
Diaphragm EPDM + Nylon Fabric
Seal Ring EPDM
O-Ring NBR

Dimensions (mm)

DN (mm)
(inch)
50
2
65
80
3
100
4
125
5
150
6
200
8
250
10
300
12
350
14
400
16
450
18
500
20
600
24
L 230 290 310 350 400 480 600 730 850 980 1100 1200 1250 1450
H 165 195 225 230 240 240 430 545 605 550 710 720 825 885
D 165 185 200 220 250 285 340 405 460 520 580 640 715 840
A 99 118 132 156 184 211 266 319 370 429 480 548 609 720

Pilot Valve

No. Description Material
1 Cap ABS Plastic
2 Adjusting Screw Stainless Steel 304
3 Jam Nut Stainless Steel 304
4 Spring Table Stainless Steel 304
5 Bonnet Stainless Steel 304
6 Spring Spring Steel
7 Nut Stainless Steel 304
8 Spring Table Spring Steel
9 Fixing Holder Stainless Steel 304
10 Screw Stainless Steel 304
11 Diaphragm Nylon Reinforced EPDM
12 Yoke Stainless Steel 304
13 Body Stainless Steel 304
14 Disc Stainless Steel 304 + EPDM
15 O-Ring NBR
16 Plug Stainless Steel 304

Valve Composition

No. Part
1 Main Valve
2 Needle Valve
3 Pilot Valve (P200)
4 Ball Valve
5 Pressure Gauge
6 Ball Valve
7 By-pass

Typical Connection

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