F63-PPD PRESSURE DIFFERENTIAL VALVE

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

FEATURES & SPECIFICATIONS

  • The pressure differential valve will open against the system pressure differential whenever exceeds the pilot setting.
  • 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.

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
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
20 O-Ring NBR

Valve Composition

No. Part
1 Main Valve
2 Needle Valve
3 Pilot Valve (P800)
4 Ball Valve
5 Inlet Pressure Gauge
6 Outlet Pressure Gauge
7 Strainer

Typical Connection

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